Sam Stuard

Works (12)

Updated: July 6th, 2023 21:22

2021 article

Reducing Energy Disorder of Hole Transport Layer by Charge Transfer Complex for High Performance p–i–n Perovskite Solar Cells

Xu, G., Xue, R., Stuard, S. J., Ade, H., Zhang, C., Yao, J., … Li, Y. (2021, February 26). Advanced Materials.

By: G. Xu *, R. Xue*, S. Stuard n, H. Ade n , C. Zhang *, J. Yao *, Y. Li *, Y. Li*, Y. Li *, Y. Li*

author keywords: energy disorder; high mobility; hole transport; molecular packing; p– i– n planar perovskite solar cells
topics (OpenAlex): Perovskite Materials and Applications; Conducting polymers and applications; Organic Electronics and Photovoltaics
TL;DR: The resultant HTL exhibits a reduced energy disorder, which simultaneously promotes hole transport in the HTL, hole extraction at the interface, energy level alignment, and quasi-Fermi level splitting in the device, demonstrating that the CTC strategy is an effective way to reduce the energy disorder in HTLs and to improve the performance of planar pero-SCs. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: March 8, 2021

2020 article

Balanced Charge Transport Optimizes Industry‐Relevant Ternary Polymer Solar Cells

Szymanski, R., Henry, R., Stuard, S., Vongsaysy, U., Courtel, S., Vellutini, L., … Wantz, G. (2020, October 6). Solar RRL, Vol. 4, p. 2000538.

By: R. Szymanski *, R. Henry n, S. Stuard n, U. Vongsaysy, S. Courtel, L. Vellutini *, M. Bertrand, H. Ade n , S. Chambon *, G. Wantz *

author keywords: industrial figure of merit; low-cost semiconducting polymers; nonchlorinated solvent processing; polymer solar cells; ternary blend
topics (OpenAlex): Organic Electronics and Photovoltaics; Conducting polymers and applications; Perovskite Materials and Applications
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Sources: Web Of Science, NC State University Libraries, ORCID
Added: November 9, 2020

2020 article

Efficient Energy Funneling in Quasi‐2D Perovskites: From Light Emission to Lasing

Lei, L., Seyitliyev, D., Stuard, S., Mendes, J., Dong, Q., Fu, X., … So, F. (2020, February 28). Advanced Materials, Vol. 32.

By: L. Lei n, D. Seyitliyev n, S. Stuard n, J. Mendes n, Q. Dong n, X. Fu, Y. Chen n, S. He  n ...

author keywords: amplified spontaneous emission; distributed-feedback lasers; energy funneling; light-emitting diodes; quasi-2D perovskites
topics (OpenAlex): Perovskite Materials and Applications; Quantum Dots Synthesis And Properties; Chalcogenide Semiconductor Thin Films
TL;DR: The results show that it is important to control the morphology of the quasi-2D films to achieve efficient energy transfer, which is a critical requirement for light-emitting devices. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: March 16, 2020

2020 article

Morphological–Electrical Property Relation in Cu(In,Ga)(S,Se)2 Solar Cells: Significance of Crystal Grain Growth and Band Grading by Potassium Treatment

Kim, J. H., Kim, M. K., Gadisa, A., Stuard, S. J., Nahid, M. M., Kwon, S., … Min, B. K. (2020, November 4). Small.

By: J. Kim *, M. Kim *, A. Gadisa n, S. Stuard n, M. Nahid n, S. Kwon *, S. Bae *, B. Kim* ...

author keywords: average domain spacing; band grading; CIGS solar cell; electron diffusion length; solution process
topics (OpenAlex): Chalcogenide Semiconductor Thin Films; Quantum Dots Synthesis And Properties; Copper-based nanomaterials and applications
TL;DR: A unique potassium treatment method is utilized to improve the selenium uptake judiciously, enhancing grain sizes and forming a wider bandgap minimum region, which has led to a linearly increasing electron diffusion length and carrier lifetime with increasing the grain size of the CIGS film, which is a critical achievement for enhancing photocurrent yield. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: November 24, 2020

2020 article

Optimization Requirements of Efficient Polythiophene:Nonfullerene Organic Solar Cells

Liang, Z., Li, M., Wang, Q., Qin, Y., Stuard, S. J., Peng, Z., … Geng, Y. (2020, May 25). Joule, Vol. 4, pp. 1278–1295.

By: Z. Liang *, M. Li *, Q. Wang *, Y. Qin n, S. Stuard n, Z. Peng *, Y. Deng *, H. Ade n , L. Ye* , Y. Geng *

Contributors: Z. Liang *, M. Li *, Q. Wang *, Y. Qin n, S. Stuard n, Z. Peng *, Y. Deng *, H. Ade n , L. Ye* , Y. Geng *

topics (OpenAlex): Organic Electronics and Photovoltaics; Conducting polymers and applications; Semiconductor materials and interfaces
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Sources: Web Of Science, NC State University Libraries, ORCID
Added: July 13, 2020

2019 article

Aryl-Perfluoroaryl Interaction in Two-Dimensional Organic–Inorganic Hybrid Perovskites Boosts Stability and Photovoltaic Efficiency

Hu, J., Oswald, I. W. H., Hu, H., Stuard, S. J., Nahid, M. M., Yan, L., … You, W. (2019, June 5). ACS Materials Letters, Vol. 1, pp. 171–176.

By: J. Hu *, I. Oswald *, H. Hu *, S. Stuard n, M. Nahid n, L. Yan *, Z. Chen *, H. Ade n , J. Neilson *, W. You *

topics (OpenAlex): Perovskite Materials and Applications; Conducting polymers and applications; 2D Materials and Applications
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Sources: Web Of Science, NC State University Libraries
Added: April 6, 2020

2019 article

Delineation of Thermodynamic and Kinetic Factors that Control Stability in Non-fullerene Organic Solar Cells

Ghasemi, M., Hu, H., Peng, Z., Rech, J. J., Angunawela, I., Carpenter, J. H., … Ade, H. (2019, April 22). Joule, Vol. 3, pp. 1328–1348.

By: M. Ghasemi n, H. Hu n, Z. Peng n, J. Rech *, I. Angunawela n, J. Carpenter n, S. Stuard n, A. Wadsworth * ...

topics (OpenAlex): Organic Electronics and Photovoltaics; Conducting polymers and applications; Thin-Film Transistor Technologies
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Sources: Web Of Science, NC State University Libraries
Added: June 4, 2019

2019 article

Highly Efficient, Stable, and Ductile Ternary Nonfullerene Organic Solar Cells from a Two‐Donor Polymer Blend

Hu, H., Ye, L., Ghasemi, M., Balar, N., Rech, J. J., Stuard, S. J., … Ade, H. (2019, March 18). Advanced Materials, Vol. 31, p. 1808279.

By: H. Hu n, L. Ye n , M. Ghasemi n, N. Balar n, J. Rech *, S. Stuard n, W. You *, B. O'Connor n , H. Ade n 

Contributors: H. Hu n, L. Ye n , M. Ghasemi n, N. Balar n, J. Rech *, S. Stuard n, W. You *, . Brendan T. O'Connor n , H. Ade n 

author keywords: mechanical durability; nonhalogenated solvents; stability; ternary solar cells
topics (OpenAlex): Organic Electronics and Photovoltaics; Conducting polymers and applications; Perovskite Materials and Applications
TL;DR: The study indicates that improved stability and performance can be achieved in a synergistic way without significant embrittlement, which will accelerate the future development and application of nonfullerene OSCs. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: May 13, 2019

2019 article

Synthetic control over orientational degeneracy of spacer cations enhances solar cell efficiency in two-dimensional perovskites

Hu, J., Oswald, I. W. H., Stuard, S. J., Nahid, M. M., Zhou, N., Williams, O. F., … You, W. (2019, March 20). Nature Communications, Vol. 10.

By: J. Hu *, I. Oswald *, S. Stuard n, M. Nahid n, N. Zhou *, O. Williams *, Z. Guo *, L. Yan * ...

topics (OpenAlex): Perovskite Materials and Applications; Conducting polymers and applications; Solid-state spectroscopy and crystallography
TL;DR: Hu et al. show that fine tuning of the chemical structure of the spacer cations leads to different packing arrangements and device efficiency, largely explaining the difference in film properties of two-dimensional perovskites. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: April 9, 2019

2019 article

Unveiling the operation mechanism of layered perovskite solar cells

Lin, Y., Fang, Y., Zhao, J., Shao, Y., Stuard, S. J., Nahid, M. M., … Huang, J. (2019, March 1). Nature Communications, Vol. 10.

By: Y. Lin *, Y. Fang *, J. Zhao *, Y. Shao *, S. Stuard n, M. Nahid n, H. Ade n , Q. Wang * ...

topics (OpenAlex): Perovskite Materials and Applications; Quantum Dots Synthesis And Properties; Conducting polymers and applications
TL;DR: The real morphology of the hot-cast layered perovskite solar cells is revealed and the working mechanism for the conversion of light to electrical current is proposed to involve energy transfer from layered to 3D-like perovSKite network. (via Semantic Scholar)
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7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: March 18, 2019

2018 article

A Printable Organic Cathode Interlayer Enables over 13% Efficiency for 1-cm2 Organic Solar Cells

Kang, Q., Ye, L., Xu, B., An, C., Stuard, S. J., Zhang, S., … Hou, J. (2018, November 15). Joule, Vol. 3, pp. 227–239.

By: Q. Kang *, L. Ye n , B. Xu *, C. An *, S. Stuard n, S. Zhang *, H. Yao *, H. Ade n , J. Hou *

Contributors: Q. Kang *, L. Ye n , B. Xu *, C. An *, S. Stuard n, S. Zhang *, H. Yao *, H. Ade n , J. Hou *

topics (OpenAlex): Organic Electronics and Photovoltaics; Conducting polymers and applications; Thin-Film Transistor Technologies
UN Sustainable Development Goals Color Wheel
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7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 18, 2019

2018 article

Competition between Exceptionally Long‐Range Alkyl Sidechain Ordering and Backbone Ordering in Semiconducting Polymers and Its Impact on Electronic and Optoelectronic Properties

Carpenter, J. H., Ghasemi, M., Gann, E., Angunawela, I., Stuard, S. J., Rech, J. J., … Ade, H. (2018, December 12). Advanced Functional Materials, Vol. 29.

By: J. Carpenter n, M. Ghasemi n, E. Gann*, I. Angunawela n, S. Stuard n, J. Rech *, E. Ritchie *, B. O'Connor n  ...

author keywords: molecular design; organic electronics; polymer crystals; semiconducting polymers; sidechains
topics (OpenAlex): Organic Electronics and Photovoltaics; Conducting polymers and applications; Perovskite Materials and Applications
TL;DR: The observed influence of ordering between the moieties implies that improved molecular design could produce synergistic rather than destructive ordering effects and should greatly improve the coherence length of backbone ordering and thereby improve electronic and optoelectronic properties such as charge transport and exciton diffusion lengths. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: February 18, 2019

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