Ahmed El-Shafei

Kim, B. H., Danilov, E., Yoon, S. J., El-Shafei, A., & Freeman, H. (2021). Characterization of the photophysics of a mixed system of red disperse dyes using experimental and theoretical methods. Dyes and Pigments, 184. https://doi.org/10.1016/j.dyepig.2020.108745

Elmorsy, M. R., Lyu, L., Su, R., Abdel-Latif, E., Badawy, S. A., El-Shafei, A., & Fadda, A. A. (2020). Co-sensitization of the HD-2 complex with low-cost cyanoacetanilides for highly efficient DSSCs. PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES, 19(2), 281–288. https://doi.org/10.1039/c9pp00381a

Ashraf, S., Su, R., Akhtar, J., Siddiqi, H. M., Shuja, A., & El-Shafei, A. (2020). Effect of fluoro-substituted acceptor-based ancillary ligands on the photocurrent and photovoltage in dye-sensitized solar cells. Solar Energy, 199, 74–81. https://doi.org/10.1016/j.solener.2020.02.016

Abdellah, I. M., & El-Shafei, A. (2020). Efficiency enhancement of ruthenium-based DSSCs employing A-pi-D-pi-A organic Co-sensitizers. RSC ADVANCES, 10(47), 27940–27953. https://doi.org/10.1039/d0ra03916k

Ahmad, Y. H., Mohamed, A. T., El-Shafei, A., Al-Qaradawi, S. Y., & Aljaber, A. S. (2020). Facile one-step synthesis of supportless porous AuPtPd nanocrystals as high performance electrocatalyst for glucose oxidation reaction. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 45(38), 19163–19173. https://doi.org/10.1016/j.ijhydene.2020.05.020

Ahmad, Y. H., Mohamed, A. T., Alashraf, A., Matalqeh, M., El-Shafei, A., Al-Qaradawi, S. Y., & Aljaber, A. S. (2020). Highly porous PtPd nanoclusters synthesized via selective chemical etching as efficient catalyst for ethanol electro-oxidation. APPLIED SURFACE SCIENCE, 508. https://doi.org/10.1016/j.apsusc.2019.145222

Abdellah, I. M., & El-Shafei, A. (2020). Influence of carbonyl group on photocurrent density of novel fluorene based D-pi-A photosensitizers: Synthesis, photophysical and photovoltaic studies. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 387. https://doi.org/10.1016/j.jphotochem.2019.112133

Ashraf, S., Su, R., Akhtar, J., Siddiqi, H. M., Shuja, A., Al-Saad, K. A., … El-Shafei, A. (2020, February). Investigations into structure-property relationships of novel Ru(II) dyes with N,N '-Diethyl group in ancillary ligand for dye-sensitized solar cells (vol 171, 107754, 2019). DYES AND PIGMENTS, Vol. 173. https://doi.org/10.1016/j.dyepig.2019.107955

Ding, Y., Szymczyk, M., Mehraban, N., Lim, J., Parrillo-Chapman, L., El-Shafei, A., & Freeman, H. S. (2020). Molecular and excited state properties of photostable yellow disperse dyes. JOURNAL OF MOLECULAR STRUCTURE, 1207. https://doi.org/10.1016/j.molstruc.2020.127815

Elmorsy, M. R., Su, R., Abdel-Latif, E., Badawy, S. A., El-Shafei, A., & Fadda, A. A. (2020). New cyanoacetanilides based dyes as effective co-sensitizers for DSSCs sensitized with ruthenium (II) complex (HD-2). JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS, Vol. 31, pp. 7981–7990. https://doi.org/10.1007/s10854-020-03337-3

Abdellah, I. M., Chowdhury, T. H., Lee, J.-J., Islam, A., & El-Shafei, A. (2020). Novel dopant-free hole-transporting materials for efficient perovskite solar cells. SOLAR ENERGY, 206, 279–286. https://doi.org/10.1016/j.solener.2020.06.016

Keremane, K. S., Abdellah, I. M., Naik, P., El-Shafei, A., & Adhikari, A. V. (2020). Simple thiophene-bridged D-π-A type chromophores for DSSCs: a comprehensive study of their sensitization and co-sensitization properties. Physical Chemistry Chemical Physics, 22(40), 23169–23184. https://doi.org/10.1039/d0cp02781b

Su, R., Lyu, L., Elmorsy, M. R., & El-Shafei, A. (2020). Structural studies and photovoltaic investigation of indolo[2,3-b]quinoxaline-based sensitizers/co-sensitizers achieving highly efficient DSSCs. NEW JOURNAL OF CHEMISTRY, 44(7), 2797–2812. https://doi.org/10.1039/c9nj04456f

Abdellah, I. M., & El-Shafei, A. (2020). Synthesis and characterization of novel tetra anchoring A(2)-D-D-D-A(2) architecture sensitizers for efficient dye-sensitized solar cells. SOLAR ENERGY, 198, 25–35. https://doi.org/10.1016/j.solener.2020.01.040

Su, R., Ashraf, S., Lyu, L., & El-Shafei, A. (2020). Tailoring dual-channel anchorable organic sensitizers with indolo[2,3-b] quinoxaline moieties: Correlation between structure and DSSC performance. SOLAR ENERGY, 206, 443–454. https://doi.org/10.1016/j.solener.2020.06.020

Zidan, Y., El-Shafei, A., Noshy, W., & Salim, E. (2020). The effectiveness of aqueous and nonaqueous magnesium hydroxide nanopowder on the color stability of dyed cotton paper pulp. International Journal of Conservation Science, 11(3), 657–668.

Abdellah, I. M., & El-Shafei, A. (2020). The molecular engineering, synthesis and photovoltaic studies of a novel highly efficient Ru(ii) complex incorporating a bulky TPA ancillary ligand for DSSCs: donor versus pi-spacer effects. RSC ADVANCES, 10(1), 610–619. https://doi.org/10.1039/c9ra06150a

Lyu, L., Su, R., Al-Qaradawi, S. Y., Al-Saad, K., & El-Shafei, A. (2020, February). Three-component one-pot reaction for molecular engineering of novel cost-effective highly rigid quinoxaline-based photosensitizers for highly efficient DSSCs application: Remarkable photovoltage (vol 171, 107683, 2019). DYES AND PIGMENTS, Vol. 173. https://doi.org/10.1016/j.dyepig.2019.107962

Arangdad, K., Yildirim, E., Detwiler, A., Cleven, C. D., Burk, C., Shamey, R., … El-Shafei, A. (2020). X-ray photoelectron spectroscopy study on the photodegradation of copolyester model compounds. JOURNAL OF APPLIED POLYMER SCIENCE, Vol. 138. https://doi.org/10.1002/app.49661

Kesavan, R., Attia, F., Su, R., Anees, P., El-Shafei, A., & Adhikari, A. V. (2019). Asymmetric Dual Anchoring Sensitizers/Cosensitizers for Dye Sensitized Solar Cell Application: An Insight into Various Fundamental Processes inside the Cell. JOURNAL OF PHYSICAL CHEMISTRY C, 123(40), 24383–24395. https://doi.org/10.1021/acs.jpcc.9b06525

Zha, D., Nakod, P., He, T., El-Shafei, A., Brown, A., Hudson, S., & King, M. W. (2019). Designing an antimicrobial knitted wound dressing for vacuum assisted wound closure. Transactions of the Annual Meeting of the Society for Biomaterials and the Annual International Biomaterials Symposium, 40, 603.

Altay, P., Hauser, P. J., Gursoy, N. C., & El-Shafei, A. (2019). Facile synthesis of a novel, highly effective, more sustainable and cost-effective cationic bleach activator for cotton: N-[4-(N,N,N)-triethylammoniumchloride-butyryl] caprolactam. CELLULOSE, 26(4), 2849–2860. https://doi.org/10.1007/s10570-018-02224-9

Arangdad, K., Yildirim, E., Detwiler, A., Cleven, C. D., Burk, C., Shamey, R., … El-Shafei, A. (2019). Influence of UV stabilizers on the weathering of PETG and PCTT films. JOURNAL OF APPLIED POLYMER SCIENCE, Vol. 136. https://doi.org/10.1002/app.48198

Ashraf, S., Su, R., Akhtar, J., Siddiqi, H. M., Shuja, A., Al-Saad, K. A., … El-Shafei, A. (2019). Investigations into structure-property relationships of novel Ru(II) dyes with N,N '-Diethyl group in ancillary ligand for dye-sensitized solar cells. DYES AND PIGMENTS, 171. https://doi.org/10.1016/j.dyepig.2019.107754

Abdel-Shakour, M., El-Said, W. A., Abdellah, I. M., Su, R., & El-Shafei, A. (2019). Low-cost Schiff bases chromophores as efficient co-sensitizers for MH-13 in dye-sensitized solar cells. JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS, 30(5), 5081–5091. https://doi.org/10.1007/s10854-019-00806-2

Ding, Y., Mehraban, N., Szymczyk, M., Parrillo-Chapman, L., El-Shafei, A., & Freeman, H. S. (2019). Molecular and excited state properties of photostable anthraquinone blue dyes for hydrophobic fibers. Journal of Molecular Structure, 1181, 109–117. https://doi.org/10.1016/j.molstruc.2018.12.070

Abdellaha, I. M., Koraiem, A. I., & El-Shafei, A. (2019). Molecular engineering and investigation of new efficient photosensitizers/co-sensitizers based on bulky donor enriched with EDOT for DSSCs. DYES AND PIGMENTS, 164, 244–256. https://doi.org/10.1016/j.dyepig.2019.01.035

Sun, R., Lyu, L., Elmorsy, M. R., & El-Shafei, A. (2019). Novel metal-free organic dyes constructed with the D-D vertical bar A-pi-A motif: Sensitization and co-sensitization study. SOLAR ENERGY, 194, 400–414. https://doi.org/10.1016/j.solener.2019.10.061

Arangdad, K., Detwiler, A., Cleven, C. D., Burk, C., Shamey, R., Pasquinelli, M. A., … El-Shafei, A. (2019). Photodegradation of copolyester films: A mechanistic study. Journal of Applied Polymer Science, 136(10), 47148. https://doi.org/10.1002/APP.47148

Kesavan, R., Abdellah, I. M., Singh, S. P., El-Shafei, A., & Adhikari, A. V. (2019). Simple diphenylamine based D-pi-A type sensitizers/co-sensitizers for DSSCs: a comprehensive study on the impact of anchoring groups. PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 21(20), 10603–10613. https://doi.org/10.1039/c9cp01032g

Abdellah, I. M., Koraiem, A. I., & El-Shafei, A. (2019). Structure-property relationship of novel monosubstituted Ru (II) complexes for high photocurrent and high efficiency DSSCs: Influence of donor versus acceptor ancillary ligand on DSSCs performance. Solar Energy, 177, 642–651. https://doi.org/10.1016/j.solener.2018.11.047

Su, R., Ashraf, S., & El-Shafei, A. (2019). Structure-property relationships: “Double-tail versus double-flap” ruthenium complex structures for high efficiency dye-sensitized solar cells. Solar Energy, 177, 724–736. https://doi.org/10.1016/j.solener.2018.11.038

Koraiem, A. I., Abdellah, I. M., El-Shafei, A., Abdel-Latif, F. F., & Abd El-Aal, R. M. (2019). Synthesis, optical characterization, and TD-DFT studies of novel mero/bis-mero cyanine dyes based on N-bridgehead heterocycles. CANADIAN JOURNAL OF CHEMISTRY, 97(3), 219–226. https://doi.org/10.1139/cjc-2018-0325

Lyu, L., Su, R., Al-Qaradawi, S. Y., Al-Saad, K. A., & El-Shafei, A. (2019). Three-component one-pot reaction for molecular engineering of novel cost-effective highly rigid quinoxaline-based photosensitizers for highly efficient DSSCs application: Remarkable photovoltage. DYES AND PIGMENTS, 171. https://doi.org/10.1016/j.dyepig.2019.107683

Naik, P., Abdellah, I. M., Abdel-Shakour, M., Acharaya, M., Pilicode, N., El-Shafei, A., & Adhikari, A. V. (2018). An Efficient Aniline-Based Co-Sensitizer for High Performance N3-Sensitized Solar Cells. ChemistrySelect, 3(43), 12297–12302. https://doi.org/10.1002/slct.201802232

Elmorsy, M. R., Su, R., Fadda, A. A., Etman, H. A., Tawfik, E. H., & El-Shafei, A. (2018). Co-sensitization of Ru(ii) complex with terthiophene-based D-π-π-A metal-free organic dyes for highly efficient dye-sensitized solar cells: Influence of anchoring group on molecular geometry and photovoltaic performance. New Journal of Chemistry, 42(14), 11430–11437. https://doi.org/10.1039/c8nj01482e

Naik, P., Su, R., Elmorsy, M. R., El-Shafei, A., & Vasudeva Adhikari, A. (2018). Correction: New di-anchoring A–π-D–π-A configured organic chromophores for DSSC application: sensitization and co-sensitization studies. Photochemical & Photobiological Sciences, 17(3), 363–363. https://doi.org/10.1039/C8PP90007H

Lim, J., Szymczyk, M., Mehraban, N., Ding, Y., Parrillo-Chapman, L., El-Shafei, A., & Freeman, H. S. (2018). Data from X-ray crystallographic analysis and DFT calculations on isomeric azo disperse dyes. Data in Brief, 21, 675–683. https://doi.org/10.1016/j.dib.2018.10.010

Elmorsy, M. R., Su, R., Fadda, A. A., Etman, H. A., Tawfik, E. H., & El-Shafei, A. (2018). Effect of terthiophene spacer position in Ru(II) bipyridyl complexes on the photocurrent and photovoltage for high efficiency dye-sensitized solar cells. Dyes and Pigments, 156, 348–356. https://doi.org/10.1016/j.dyepig.2018.04.005

Naik, P., Elmorsy, M. R., Su, R., El-Shafei, A., & Adhikari, A. V. (2018). Enhancing photovoltaic performance of DSSCs sensitized with Ru-II complexes by D-π-A configured carbazole based co-sensitizers. New Journal of Chemistry, 42(12), 9443–9448. https://doi.org/10.1039/c8nj00927a

Naik, P., Keremane, K. S., Elmorsy, M. R., Su, R., El-Shafei, A., & Adhikari, A. V. (2018). Highly efficient carbazole based co-sensitizers carrying electron deficient barbituric acid for NCSU-10 sensitized DSSCs. Solar Energy, 169, 386–391. https://doi.org/10.1016/j.solener.2018.05.024

Naik, P., Abdellah, I. M., Abdel-Shakour, M., Su, R., Keremane, K. S., El-Shafei, A., & Vasudeva Adhikari, A. (2018). Improvement in performance of N3 sensitized DSSCs with structurally simple aniline based organic co-sensitizers. Solar Energy, 174, 999–1007. https://doi.org/10.1016/j.solener.2018.09.071

Ashraf, S., Su, R., Akhtar, J., Siddiqi, H. M., & El-Shafei, A. (2018). Influence of brominated-TPA-stilbazole based ancillary ligand on the photocurrent and photovoltage in dye-sensitized solar cells. Dyes and Pigments, 150, 347–353. https://doi.org/10.1016/j.dyepig.2017.12.035

Naik, P., Su, R., Elmorsy, M. R., El-Shafei, A., & Adhikari, A. V. (2018). Investigation of new carbazole based metal-free dyes as active photo-sensitizers/co-sensitizers for DSSCs. Dyes and Pigments, 149, 177–187. https://doi.org/10.1016/j.dyepig.2017.09.068

Lim, J., Szymczyk, M., Mehraban, N., Ding, Y., Parrillo-Chapman, L., El-Shafei, A., & Freeman, H. S. (2018). Molecular and excited state properties of isomeric scarlet disperse dyes. Journal of Molecular Structure, 1161, 254–261. https://doi.org/10.1016/j.molstruc.2018.02.028

Elmorsy, M. R., Su, R., Fadda, A. A., Etman, H. A., Tawfik, E. H., & El-Shafei, A. (2018). Molecular engineering and synthesis of novel metal-free organic sensitizers with D-π-A-π-A architecture for DSSC applications: The effect of the anchoring group. Dyes and Pigments, 158, 121–130. https://doi.org/10.1016/J.DYEPIG.2018.05.011

Naik, P., Su, R., Elmorsy, M. R., El-Shafei, A., & Adhikari, A. V. (2018). New carbazole based dyes as effective co-sensitizers for DSSCs sensitized with ruthenium (II) complex (NCSU-10). Journal of Energy Chemistry, 27(2), 351–360. https://doi.org/10.1016/j.jechem.2017.12.013

Naik, P., Su, R., Elmorsy, M. R., El-Shafei, A., & Adhikari, A. V. (2018). New di-anchoring A-π-D-π-A configured organic chromophores for DSSC application: Sensitization and co-sensitization studies. Photochemical and Photobiological Sciences, 17(3), 302–314. https://doi.org/10.1039/c7pp00351j

Al-Mohsin, H. A., Mineart, K. P., Armstrong, D. P., El-Shafei, A., & Spontak, R. J. (2018). Quasi-Solid-State Dye-Sensitized Solar Cells Containing a Charged Thermoplastic Elastomeric Gel Electrolyte and Hydrophilic/phobic Photosensitizers. Solar RRL, 2(3), 1700145. https://doi.org/10.1002/SOLR.201700145

Al-Mohsin, H. A., Mineart, K. P., Armstrong, D. P., El-Shafei, A., & Spontak, R. J. (2018). Quasi-solid-state dye-sensitized solar cells containing a charged thermoplastic elastomeric gel electrolyte and hydrophilic/phobic photosensitizers. Solar RRL, 2(3). https://doi.org/10.1002/solr.201770155

Salim, S., & El-Shafei, A. (2018). Sustainable dyeing of cotton: Ultra deep black with excellent fastness properties via graft polymerization of DADMAC into cotton prior to dyeing. AATCC 2018 - 2018 AATCC International Conference Proceedings, 2018-March, 43–52.

Naik, P., Babu, D. D., Su, R., El-Shafei, A., & Adhikari, A. V. (2018). Synthesis, Characterization and Performance Studies of a New Metal-Free Organic Sensitizer for DSSC application. Materials Today: Proceedings, 5(1), 3150–3157. https://doi.org/10.1016/j.matpr.2018.01.122

Koraiem, A. I., El-Shafei, A., Abdellah, I. M., Abdel-Latif, F. F., & Abd El-Aal, R. M. (2018). Theoretical and experimental spectroscopic investigation of new polymethine donor-π-acceptor cyanine dyes: Synthesis, photophysical, and TDDFT studies. Journal of Molecular Structure, 1173, 406–416. https://doi.org/10.1016/j.molstruc.2018.07.021

A Comparative Study on Two Ru<sup>II</sup> Complexes with Thiophene-Based Ancillary Ligands for High-Efficiency Dye-Sensitized Solar Cells. (2017). European Journal of Inorganic Chemistry, 2017(31), 3690–3697. https://doi.org/10.1002/ejic.201700468

Ashraf, S., Yildirim, E., Akhtar, J., Siddiqi, H. M., & El-Shafei, A. (2017). A comparative study of the influence of N,N′-dialkyl vs. N,N′-diaryl-based electron donor ancillary ligands on photocurrent and photovoltage in dye-sensitized solar cells (DSSCs). Physical Chemistry Chemical Physics, 19(31), 20847–20860. https://doi.org/10.1039/c7cp02530k

Zidan, Y., El-Shafei, A., Noshy, W., & Salim, E. (2017). A comparative study to evaluate conventional and nonconventional cleaning treatments of cellulosic paper supports. Mediterranean Archaeology and Archaeometry, 17(3), 337–353. https://doi.org/10.5281/zenodo.1005538

Naik, P., Su, R., El-Shafei, A., & Adhikari, A. V. (2017). Improved photovoltaic performances of Ru (II) complex sensitized DSSCs by co-sensitization of carbazole based chromophores. Inorganic Chemistry Communications, 86, 241–245. https://doi.org/10.1016/j.inoche.2017.10.030

Helmy, H. M., Hauser, P., & El-Shafei, A. (2017). Influence of atmospheric plasma-induced graft polymerization of DADMAC into cotton on dyeing with acid dyes. Journal of the Textile Institute, 108(11), 1871–1878. https://doi.org/10.1080/00405000.2017.1298206

Naik, P., Su, R., Elmorsy, M. R., Babu, D. D., El-Shafei, A., & Adhikari, A. V. (2017). Molecular design and theoretical investigation of new metal-free heteroaromatic dyes with D-π-A architecture as photosensitizers for DSSC application. Journal of Photochemistry and Photobiology A: Chemistry, 345, 63–73. https://doi.org/10.1016/j.jphotochem.2017.05.033

Naik, P., Elmorsy, M. R., Su, R., Babu, D. D., El-Shafei, A., & Adhikari, A. V. (2017). New carbazole based metal-free organic dyes with D-Π-A-Π-A architecture for DSSCs: Synthesis, theoretical and cell performance studies. Solar Energy, 153, 600–610. https://doi.org/10.1016/j.solener.2017.05.088

Naik, P., Su, R., Babu, D. D., El-Shafei, A., & Adhikari, A. V. (2017). Structurally simple D–A-type organic sensitizers for dye-sensitized solar cells: effect of anchoring moieties on the cell performance. Journal of the Iranian Chemical Society, 14(11), 2457–2466. https://doi.org/10.1007/s13738-017-1180-3

Elsherbiny, D., Yildirim, E., El-Essawy, F., Abdel-Megied, A., & El-Shafei, A. (2017). Structure-property relationships: Influence of number of anchoring groups in triphenylamine-carbazole motifs on light harvesting and photovoltaic performance for dye-sensitized solar cells. Dyes and Pigments, 147, 491–504. https://doi.org/10.1016/j.dyepig.2017.08.022

Babu, D. D., Su, R., Naik, P., El-Shafei, A., & Adhikari, A. V. (2017). Synthesis and photovoltaic performance of a novel asymmetric dual-channel co-sensitizer for dye-sensitized solar cell beyond 10% efficiency. Dyes and Pigments, 141, 112–120. https://doi.org/10.1016/j.dyepig.2017.02.010

Ashraf, S., Akhtar, J., Siddiqi, H. M., & El-Shafei, A. (2017). Thiocyanate-free ruthenium(II) sensitizers with a bi-imidazole ligand in dye-sensitized solar cells (DSSCs). New Journal of Chemistry, 41(14), 6272–6277. https://doi.org/10.1039/c7nj01363a

Cheema, H., Younts, R., Gautam, B., Gundogdu, K., & El-Shafei, A. (2016). Design and synthesis of BODIPY sensitizers with long alkyl chains tethered to N-carbazole and their application for dye sensitized solar cells. Materials Chemistry and Physics, 184, 57–63. https://doi.org/10.1016/j.matchemphys.2016.09.024

Babu, D. D., Su, R., El-Shafei, A., & Adhikari, A. V. (2016). From Molecular Design to Co-sensitization; High performance indole based photosensitizers for dye-sensitized solar cells. Electrochimica Acta, 198, 10–21. https://doi.org/10.1016/j.electacta.2016.03.061

Babu, D. D., Elsherbiny, D., Cheema, H., El-Shafei, A., & Adhikari, A. V. (2016). Highly efficient panchromatic dye-sensitized solar cells: Synergistic interaction of ruthenium sensitizer with novel co-sensitizers carrying different acceptor units. Dyes and Pigments, 132, 316–328. https://doi.org/10.1016/j.dyepig.2016.05.016

Babu, D. D., Su, R., El-Shafei, A., & Adhikari, A. V. (2016). New indole based co-sensitizers for dye sensitized solar cells exceeding 10% efficiency. RSC Advances, 6(36), 30205–30216. https://doi.org/10.1039/c6ra03866b

Ramamoorthy, A., Helmy, H. M., Rajbhandari, R., Hauser, P., & El-Shafei, A. (2016). Plasma Induced Graft Polymerization of Cationic and Fluorocarbon Monomers into Cotton: Enhanced Dyeability and Photostability. Industrial and Engineering Chemistry Research, 55(31), 8501–8508. https://doi.org/10.1021/acs.iecr.6b01069

Bondock, S., Gieman, H., & El-Shafei, A. (2016). Selective synthesis, structural studies and antitumor evaluation of some novel unsymmetrical 1-hetaryl-4-(2-chloroquinolin-3-yl)azines. Journal of Saudi Chemical Society, 20(6), 695–702. https://doi.org/10.1016/j.jscs.2015.01.005

Cheema, H., Younts, R., Ogbose, L., Gautam, B., Gundogdu, K., & El-Shafei, A. (2015). A femtosecond study of the anomaly in electron injection for dye-sensitized solar cells: The influence of isomerization employing Ru(ii) sensitizers with anthracene and phenanthrene ancillary ligands. Physical Chemistry Chemical Physics, 17(4), 2750–2756. https://doi.org/10.1039/c4cp04741a

Dong, H., Wu, Z. X., El-Shafei, A., Xia, B., J., N., S. Y., J., … Hou, X. (2015). Ag-encapsulated Au plasmonic nanorods for enhanced dye-sensitized solar cell performance. Journal of Materials Chemistry A, 3(8), 4659–4668. https://doi.org/10.1039/c4ta05154h

El-Shafei, A., Hinks, D., Boyle, P. D., & Freeman, H. S. (2015). Characterization of non-genotoxic diarylides using experimental and molecular orbital methods. Dyes and Pigments, 121, 128–137. https://doi.org/10.1016/j.dyepig.2015.04.036

El-Shafei, A., ElShemy, M., & Abou-Okeil, A. (2015). Eco-friendly finishing agent for cotton fabrics to improve flame retardant and antibacterial properties. Carbohydrate Polymers, 118, 83–90. https://doi.org/10.1016/J.CARBPOL.2014.11.007

Babu, D. D., Cheema, H., Elsherbiny, D., El-Shafei, A., & Adhikari, A. V. (2015). Molecular Engineering and Theoretical Investigation of Novel Metal-Free Organic Chromophores for Dye-Sensitized Solar Cells. Electrochimica Acta, 176, 868–879. https://doi.org/10.1016/j.electacta.2015.07.079

Cheema, H., Islam, A., Han, L., & El-Shafei, A. (2015). Monodentate pyrazole as a replacement of labile NCS for Ru (II) photosensitizers: Minimum electron injection free energy for dye-sensitized solar cells. Dyes and Pigments, 120, 93–98. https://doi.org/10.1016/j.dyepig.2015.04.005

El-Shafei, A., Helmy, H., Ramamoorthy, A., & Hauser, P. (2015). Nanolayer atmospheric pressure plasma graft polymerization of durable repellent finishes on cotton. Journal of Coatings Technology and Research, 12(4), 681–691. https://doi.org/10.1007/s11998-015-9665-4

Edwards, B., Hauser, P., & El-Shafei, A. (2015). Nonflammable cellulosic substrates by application of novel radiation-curable flame retardant monomers derived from cyclotriphosphazene. Cellulose, 22(1), 275–287. https://doi.org/10.1007/s10570-014-0497-7

Tambe, N., Di, J., Zhang, Z., Bernacki, S., El-Shafei, A., & King, M. W. (2015). Novel genipin-collagen immobilization of polylactic acid (PLA) fibers for use as tissue engineering scaffolds. Journal of Biomedical Materials Research - Part B Applied Biomaterials, 103(6), 1188–1197. https://doi.org/10.1002/jbm.b.33285

Cheema, H., Yildrim, E., Arangdad, K., Burk, C., Cleven, C., Detwiler, A., … El-Shafei, A. (2015). Photo-aging of modified PET-based model compounds. Fiber Society 2015 Fall Meeting and Technical Conference - Fibers: Where Tradition Meets Innovation.

Edwards, B., Rudolf, S., Hauser, P., & El-Shafei, A. (2015). Preparation, polymerization, and performance evaluation of halogen-free radiation curable flame retardant monomers for cotton substrates. Industrial and Engineering Chemistry Research, 54(2), 577–584. https://doi.org/10.1021/ie502915t

Cheema, H., Ogbose, L., & El-Shafei, A. (2015). Structure-property relationships: Steric effect in ancillary ligand and how it influences photocurrent and photovoltage in dye-sensitized solar cells. Dyes and Pigments, 113, 151–159. https://doi.org/10.1016/j.dyepig.2014.08.005

El-Sherbiny, D., Cheema, H., El-Essawy, F., Abdel-Megied, A., & El-Shafei, A. (2015). Synthesis and characterization of novel carbazole-based terpyridyl photosensitizers for dye-sensitized solar cells (DSSCs). Dyes and Pigments, 115, 81–87. https://doi.org/10.1016/j.dyepig.2014.12.009

Fadda, A. A., El-Mekawy, R. E., & El-Shafei, A. I. (2015). Synthesis, antiviral, cytotoxicity and antitumor evaluations of A<inf>4</inf> type of porphyrin derivatives. Journal of Porphyrins and Phthalocyanines, 19(6), 753–768. https://doi.org/10.1142/s1088424615500480

Hussain, M., Islam, A., Bedja, I., Gupta, R. K., Han, L., & El-Shafei, A. (2014). A comparative study of Ru(ii) cyclometallated complexes versus thiocyanated heteroleptic complexes: Thermodynamic force for efficient dye regeneration in dye-sensitized solar cells and how low could it be? Physical Chemistry Chemical Physics, 16(28), 14874–14881. https://doi.org/10.1039/c4cp00907j

Dong, H., Wu, Z., Gao, Y., El-Shafei, A., Jiao, B., Dai, Y., & Hou, X. (2014). A nanostructure-based counter electrode for dye-sensitized solar cells by assembly of silver nanoparticles. Organic Electronics, 15(7), 1641–1649. https://doi.org/10.1016/j.orgel.2014.03.004

Cheema, H., Islam, A., Han, L., Gautam, B., Younts, R., Gundogdu, K., & El-Shafei, A. (2014). Influence of mono versus bis-electron-donor ancillary ligands in heteroleptic Ru(ii) bipyridyl complexes on electron injection from the first excited singlet and triplet states in dye-sensitized solar cells. Journal of Materials Chemistry A, 2(34), 14228–14235. https://doi.org/10.1039/c4ta01942c

Cheema, H., Islam, A., Han, L., & El-Shafei, A. (2014). Influence of number of benzodioxan-stilbazole-based ancillary ligands on dye packing, photovoltage and photocurrent in dye-sensitized solar cells. ACS Applied Materials and Interfaces, 6(14), 11617–11624. https://doi.org/10.1021/am502400b

Qin, C., Mirloup, A., Leclerc, N., Islam, A., El-Shafei, A., Han, L., & Ziessel, R. (2014). Molecular engineering of new thienyl-bodipy dyes for highly efficient panchromatic sensitized solar cells. Advanced Energy Materials, 4(11). https://doi.org/10.1002/aenm.201400085

Cheema, H., Islam, A., Younts, R., Gautam, B., Bedja, I., Gupta, R. K., … El-Shafei, A. (2014). More stable and more efficient alternatives of Z-907: Carbazole-based amphiphilic Ru(ii) sensitizers for dye-sensitized solar cells. Physical Chemistry Chemical Physics, 16(48), 27078–27087. https://doi.org/10.1039/c4cp04120h

Dong, R., Calzolari, A., Di Felice, R., El-Shafei, A., Hussain, M., & Buongiorno Nardelli, M. (2014). Optical enhancement in heteroleptic Ru(II) polypyridyl complexes using electron-donor ancillary ligands. Journal of Physical Chemistry C, 118(17), 8747–8755. https://doi.org/10.1021/jp409733a

Dong, H., Wu, Z., Lu, F., Gao, Y., El-Shafei, A., Jiao, B., … Hou, X. (2014). Optics-electrics highways: Plasmonic silver nanowires@TiO<inf>2</inf> core-shell nanocomposites for enhanced dye-sensitized solar cells performance. Nano Energy, 10, 181–191. https://doi.org/10.1016/j.nanoen.2014.09.011

Dong, H., Wu, Z. X., Gao, Y. C., El-Shafei, A., Ning, S. Y., J., J., … Hou, X. (2014). Silver-loaded anatase nanotubes dispersed plasmonic composite photoanode for dye-sensitized solar cells. Organic Electronics, 15(11), 2847–2854. https://doi.org/10.1016/j.orgel.2014.08.020

El-Shafei, A., Hussain, M., Islam, A., & Han, L. (2014). Structure-property relationship of hetero-aromatic-electron-donor antennas of polypyridyl Ru (II) complexes for high efficiency dye-sensitized solar cells. Progress in Photovoltaics: Research and Applications, 22(9), 958–969. https://doi.org/10.1002/pip.2349

Mazloumpour, M., Malshe, P., El-Shafei, A., & Hauser, P. (2013). Conferring durable antimicrobial properties on nonwoven polypropylene via plasma-assisted graft polymerization of DADMAC. Surface and Coatings Technology, 224, 1–7. https://doi.org/10.1016/j.surfcoat.2013.02.022

Cheema, H. A., El-Shafei, A., & Hauser, P. J. (2013). Conferring flame retardancy on cotton using novel halogen-free flame retardant bifunctional monomers: synthesis, characterizations and applications. Carbohydrate Polymers, 92(1), 885–893. https://doi.org/10.1016/j.carbpol.2012.09.081

Fadda, A. A., El-Mekawy, R. E., El-Shafei, A., Freeman, H. S., Hinks, D., & El-Fedawy, M. (2013). Design, synthesis, and pharmacological screening of novel porphyrin derivatives. Journal of Chemistry. https://doi.org/10.1155/2013/340230

El-Shafei, A., Islam, A., & Akhtaruzzaman, M. (2013). Functional dyes. Journal of Chemistry, 2013. https://doi.org/10.1155/2013/828910

El-Shafei, A., Hussain, M., Islam, A., & Han, L. (2013). Influence of cyclic versus acyclic oxygen-containing electron donor ancillary ligands on the photocurrent, photovoltage and photostability for high efficiency dye-sensitized solar cells. Journal of Materials Chemistry A, 1(43), 13679–13686. https://doi.org/10.1039/c3ta12748f

Malshe, P., Mazloumpour, M., El-Shafei, A., & Hauser, P. (2013). Multi-functional military textile: Plasma-induced graft polymerization of a C6 fluorocarbon for repellent treatment on nylon-cotton blend fabric. Surface and Coatings Technology, 217, 112–118. https://doi.org/10.1016/j.surfcoat.2012.11.081

Ramamoorthy, A., El-Shafei, A., & Hauser, P. (2013). Plasma induced graft polymerization of c6 fluorocarbons on cotton fabrics for sustainable finishing applications. Plasma Processes and Polymers, 10(5), 430–443. https://doi.org/10.1002/ppap.201200111

Wu, Z., Ma, L., Liu, P., Zhou, C., Ning, S., El-Shafei, A., … Hou, X. (2013). Structure-property relationship of amplified spontaneous emission in organic semiconductor materials: TPD, DPABP, and NPB. Journal of Physical Chemistry A, 117(42), 10903–10911. https://doi.org/10.1021/jp405692c

Akhtaruzzaman, M., Islam, A., El-Shafei, A., Asao, N., Jin, T., Han, L., … Yamamoto, Y. (2013). Structure-property relationship of different electron donors: Novel organic sensitizers based on fused dithienothiophene π-conjugated linker for high efficiency dye-sensitized solar cells. Tetrahedron, 69(16), 3444–3450. https://doi.org/10.1016/j.tet.2013.02.058

Hussain, M., El-Shafei, A., Islam, A., & Han, L. (2013). Structure-property relationship of extended π-conjugation of ancillary ligands with and without an electron donor of heteroleptic Ru(ii) bipyridyl complexes for high efficiency dye-sensitized solar cells. Physical Chemistry Chemical Physics, 15(21), 8401–8408. https://doi.org/10.1039/c3cp51260f

Fadda, A. A., El-Mekawy, R. E., El-Shafei, A. I., & Freeman, H. (2013). Synthesis and pharmacological screening of novel meso-substituted porphyrin analogs. Archiv Der Pharmazie, 346(1), 53–61. https://doi.org/10.1002/ardp.201200313

El-Shafei, A., Hussain, M., Atiq, A., Islam, A., & Han, L. (2012). A novel carbazole-based dye outperformed the benchmark dye N719 for high efficiency dye-sensitized solar cells (DSSCs). Journal of Materials Chemistry, 22(45), 24048. https://doi.org/10.1039/c2jm35267b

Xu, C., Shamey, R., Hinks, D., & El-Shafei, A. (2012). Cotton bleaching optimization using a butyrolactam-based cationic bleach activator. AATCC Review, Vol. 12, pp. 66–70.

Akhtaruzzaman, M., Seya, Y., Asao, N., Islam, A., Kwon, E., El-Shafei, A., … Yamamoto, Y. (2012). Donor-acceptor dyes incorporating a stable dibenzosilole π-conjugated spacer for dye-sensitized solar cells. Journal of Materials Chemistry, 22(21), 10771–10778. https://doi.org/10.1039/c2jm30978e

Malshe, P., Mazloumpour, M., El-Shafei, A., & Hauser, P. (2012). Functional Military Textile: Plasma-Induced Graft Polymerization of DADMAC for Antimicrobial Treatment on Nylon-Cotton Blend Fabric. Plasma Chemistry and Plasma Processing, 32(4), 833–843. https://doi.org/10.1007/S11090-012-9380-1

Yang, F., Akhtaruzzaman, M., Islam, A., Jin, T., El-Shafei, A., Qin, C., … Yamamoto, Y. (2012). Structure-property relationship of naphthalene based donor-π-acceptor organic dyes for dye-sensitized solar cells: Remarkable improvement of open-circuit photovoltage. Journal of Materials Chemistry, 22(42), 22550–22557. https://doi.org/10.1039/c2jm34363k

Kale, K., Palaskar, S., Hauser, P. J., & El-Shafei, A. (2012). Studies on atmospheric pressure glow discharge of helium-oxygen plasma treatment on polyester/cotton blended fabric. BTRA Scan, 42(1), 1–11.

Widodo, M., El-Shafei, A., & Hauser, P. J. (2012). Surface nanostructuring of kevlar fibers by atmospheric pressure plasma-induced graft polymerization for multifunctional protective clothing. Journal of Polymer Science Part B: Polymer Physics, 50(16), 1165–1172. https://doi.org/10.1002/polb.23098

Hussain, M., Shamey, R., Hinks, D., El-Shafei, A., & Ali, S. I. (2012). Synthesis of novel stilbene-alkoxysilane fluorescent brighteners, and their performance on cotton fiber as fluorescent brightening and ultraviolet absorbing agents. Dyes and Pigments, 92(3), 1231–1240. https://doi.org/10.1016/j.dyepig.2011.06.034

Edwards, B., El-Shafei, A., Hauser, P., & Malshe, P. (2012). Towards flame retardant cotton fabrics by atmospheric pressure plasma-induced graft polymerization: Synthesis and application of novel phosphoramidate monomers. Surface and Coatings Technology, 209, 73–79. https://doi.org/10.1016/j.surfcoat.2012.08.031

Kale, K., Palaskar, S., Hauser, P. J., & El-Shafei, A. (2011). Atmospheric pressure glow discharge of helium-oxygen plasma treatment on polyester/cotton blended fabric. Indian Journal of Fibre and Textile Research, 36(2), 137–144.

Hauser, P. J., & El-Shafei, A. (2011). Atmospheric pressure plasma treatments for repellent textiles. AATCC Review, 11(1), 70–74.

Hauser, P. J., & El-Shafei, A. (2011). Atmospheric pressure plasma treatments for repellent textiles. AATCC Review, Vol. 11, pp. 70–74.

El-Shafei, A., Hinks, D., & Freeman, H. S. (2011). Molecular modeling and predicting dye properties. In Handbook of Textile and Industrial Dyeing: Principles, Processes and Types of Dyes (Vol. 1, pp. 225–244). https://doi.org/10.1533/9780857093974.1.225

Davis, R., El-Shafei, A., & Hauser, P. (2011). Use of atmospheric pressure plasma to confer durable water repellent functionality and antimicrobial functionality on cotton/polyester blend. Surface and Coatings Technology, 205(20), 4791–4797. https://doi.org/10.1016/j.surfcoat.2011.04.035

El-Shafei, A., Fadda, A. A., Bondock, S., Khalil, A. M., & Tawfik, E. H. (2010). Facile synthesis, pure DFT calculations, and PM3 semiempirical mo method validation of regiospecificity of novel 1,4-dihydropyrido[2,3-d]pyrimidine derivatives. Synthetic Communications, 40(18), 2788–2805. https://doi.org/10.1080/00397910903534015

Yoon, H., King, M. W., Michielsen, S., El-Shafei, A., & Johnson, E. (2010). Influence of surface modification on the adhesion between nitinol wire and fluoropolymer films. Journal of Applied Biomaterials and Biomechanics, 8(1), 7–13.

El-Shafei, A., Mazloumpour, M., & Hauser, P. (2010). Plasma induced graft polymerization of hydrophobic monomers on nonwoven substrates for fuel filtration applications. American Association of Textile Chemists and Colorists International Conference 2010, 307–315.

He, L., El-Shafei, A., Freeman, H. S., & Boyle, P. (2009). Erratum to “X-ray and Molecular Modelling Studies on 4-[N-Alkylamino]azobenzene Dyes” [Dyes Pigments 82 (2009), 299–306]. Dyes and Pigments, 83(2), 267. https://doi.org/10.1016/j.dyepig.2009.05.002

El-Shafei, A. (2009). Molecular modelling of inclusion compounds from hydrophobic dyes and γ-cyclodextrin. Coloration Technology, 125(4), 208–215. https://doi.org/10.1111/j.1478-4408.2009.00198.x

El-Shafei, A., Fadda, A. A., Abdel-Gawad, I. I., & Youssif, E. H. E. (2009). Stereospecificity of diels-Alder reactions validated using Ab initio calculations: Synthesis of novel coumarin and phenanthridine derivatives. Synthetic Communications, 39(16), 2954–2972. https://doi.org/10.1080/00397910802711326

El-Shafei, A., Fadda, A. A., Khalil, A. M., Ameen, T. A. E., & Badria, F. A. (2009). Synthesis, antitumor evaluation, molecular modeling and quantitative structure-activity relationship (QSAR) of some novel arylazopyrazolodiazine and triazine analogs. Bioorganic and Medicinal Chemistry, 17(14), 5096–5105. https://doi.org/10.1016/j.bmc.2009.05.053

He, L., El-Shafei, A., Freeman, H. S., & Boyle, P. (2009). X-ray and molecular modelling studies of 4-[N-alkylamino]azobenzene dyes. Dyes and Pigments, 82(3), 299–306. https://doi.org/10.1016/j.dyepig.2009.01.013

Szymczyk, M., El-Shafei, A., & Freeman, H. S. (2007). Design, synthesis, and characterization of new iron-complexed azo dyes. Dyes and Pigments, 72(1), 8–15. https://doi.org/10.1016/j.dyepig.2005.07.009

Yang, H., El-Shafei, A., Schilling, F. C., & Tonelli, A. E. (2007). Why is stereoregular polyacrylonitrile obtained by polymerization in urea canals isotactic? Macromolecular Theory and Simulations, 16(9), 797–809. https://doi.org/10.1002/mats.200700043

Uyar, T., Gracz, H. S., Rusa, M., Shin, I. D., El-Shafei, A., & Tonelli, A. E. (2006). Polymerization of styrene in γ-cyclodextrin channels: Lightly rotaxanated polystyrenes with altered stereosequences. Polymer, 47(20), 6948–6955. https://doi.org/10.1016/j.polymer.2006.07.054

Uyar, T., El-Shafei, A., Wang, X., Hacaloglu, J., & Tonelli, A. E. (2006). The solid channel structure inclusion complex formed between guest styrene and host γ-cyclodextrin. Journal of Inclusion Phenomena, 55(1-2), 109–121. https://doi.org/10.1007/s10847-005-9026-5

Tonelli, A. E., Uyar, T., El-Shafei, A., & Hacaloglu, J. (2006). The solid channel structure inclusion complex formed between styrene guests and gamma-cyclodextrin hosts. Journal of Inclusion Phenomena and Macrocyclic Chemistry, 55(109).

Jenkins, D. W., El-Tahlawy, K., El-Shafei, A., Freeman, H. S., & Hudson, S. M. (2006). Use of γ-cyclodextrin/epichlorohydrin polymer in merging fabric formation and coloration processes. Coloration Technology, Vol. 122, pp. 345–349. https://doi.org/10.1111/j.1478-4408.2006.00051.x

Horton, J. M., Hinks, D., & El-Shafei, A. (2005). Sock for detection of pressure points on feet. Washington, DC: U.S. Patent and Trademark Office.

Gursoy, N. C., El-Shafei, A., Hauser, P., & Hinks, D. (2004). Cationic bleach activators for improving cotton bleaching. AATCC Review, 4(8), 37–40.

Gürsoy, N. C., El-Shafei, A., Hauser, P., & Hinks, D. (2004). Cationic bleach activators for improving cotton bleaching. AATCC Review, Vol. 4, pp. 37–40.

Freeman, H. S., Szymczyk, M., & El-Shafei, A. (2004). Design, synthesis, and characterization of new iron-complexed azo dyes. Colorchem '04: proceedings : 23-27 May 2004, Hotel Harmony, S?pindleru?v Mly?n, Czech Republic. Pardubice: Vy?zkumny? u?stav organicky?ch synte?z.

El-Shafei, A., Hinks, D., Boyle, P. D., & Freeman, H. S. (2004). Non-mutagenic organic pigment intermediates. II. Isomorphous 2,2′-dichloro-5,5′-dipropoxybenzidine and 2,2′-dimethyl-5, 5′-dipropoxybenzidine. Acta Crystallographica Section C: Crystal Structure Communications, 60(8), O569–571. https://doi.org/10.1107/S0108270104014763

Bae, J.-S., Freeman, H. S., & El-Shafei, A. (2003). Metallization of non-genotoxic direct dyes. Dyes and Pigments, 57(2), 121–129. https://doi.org/10.1016/S0143-7208(02)00120-1

El-Shafei, A., Boyle, P. D., Hinks, D., & Freeman, H. S. (2003). Non-mutagenic organic pigment intermediates. I. 3,3′-dipropoxy-benzidine. Acta Crystallographica Section C: Crystal Structure Communications, 59(2), O71–73. https://doi.org/10.1107/S0108270102021303

Hinks, D., Rashad, M., & El-Shafei, A. (2003). Towards a universal dye class for printing on multiple substrates. Coloration Technology, 119(2), 70–75. https://doi.org/10.1111/j.1478-4408.2003.tb00153.x

Hinks, D., El-Shafei, A., Draper, S., Che, Q., Nakpathom, M., & Connelly, R. (2001). Radiometeric measurements of area lighting critical to color assessment in the textile industry. AATCC Review, 1(11), 35–39.

Hinks, D., Draper, S., El-Shafei, A., Nakpathom, M., Che, Q. L., & Connelly, R. (2001). Radiometric measurement of area lighting critical to color assessment in the textile industry. AATCC Review, 1(11), 35–39.

Hinks, D., Draper, S., El-Shafei, A., Nakpathom, M., Che, Q., & Connelly, R. (2001). Radiometrie measurement of area lighting critical to color assessment in the textile industry. AATCC Review, Vol. 1, pp. 35–39.

El-Shafei, A., Hinks, D., Freeman, H. S., & Lye, J. (2001). Semi-empirical molecular orbital methods in the design of organic colorants. AATCC Review, 1(12), 23–26.

El-Shafei, A., Hinks, D., Freeman, H. S., & Lye, J. (2001). Semi-empirical molecular orbital methods in the design of organic colorants. AATCC Review, Vol. 1, pp. 23–26.

El-Shafei, A., Hinks, D., & Freeman, H. S. (2001). Semi-empirical molecular orbital methods in the design of organic pigments. AATCC Review, 1(12), 23–26.

Hinks, D., Draper, S., Che, Q., Nakpathom, M., El-Shafei, A., & Connelly, R. (2000). Assessment of the effect of lighting variability on color difference. Textile Chemist and Colorist and American Dyestuff Reporter, 32(6), 16–20.

Habib, O. M., Moawad, E. B., Girges, M. M., & El-Shafei, A. (1995). Potentially active antimicrobial agents from 2-benzenesulfonyloxyphenyl-3,1-benzoxazine-4-one derivative. Bollettino Chimico Farmaceutica, 134(9), 503–508.

Habib, O. M., Girges, M. M., Moawad, E. B., & El-Shafei, A. (1995). Synthetic approaches and biological evaluation of some new sulfonate ester-containing quinazolone derivatives as potentially active antimicrobial agents. Bollettino Chimico Farmaceutica, 134(4), 209–215.