Works (88)

Updated: March 1st, 2024 17:30

2023 article

Coherent Phonon-Induced Modulation of Charge Transfer in 2D Hybrid Perovskites

Seyitliyev, D., Qin, Xixi, Jana, M. K., Janke, S. M., Zhong, X., You, W., … Gundogdu, K. (2023, March 31). ADVANCED FUNCTIONAL MATERIALS, Vol. 3.

co-author countries: United States of America 🇺🇸
author keywords: coherent phonons; charge transfer; hybrid perovskites; density functional theory
Sources: ORCID, Web Of Science
Added: April 1, 2023

2023 journal article

High-Efficiency Linearly Polarized Organic Light-Emitting Diodes

ACS PHOTONICS, 10(9), 3342–3349.

By: Q. Dong n, L. Zhu n, S. Yin n, L. Lei n, K. Gundogdu n & F. So n

co-author countries: United States of America 🇺🇸
author keywords: organic light-emitting diodes; polarized emission; diffractive grating; Bragg diffraction
Sources: Web Of Science, ORCID
Added: October 16, 2023

2023 article

Metal-Halide Perovskite Lasers: Cavity Formation and Emission Characteristics

Moon, J., Mehta, Y., Gundogdu, K., So, F., & Gu, Q. (2023, July 25). ADVANCED MATERIALS, Vol. 7.

By: J. Moon*, Y. Mehta n, K. Gundogdu n, F. So n & Q. Gu n

co-author countries: United States of America 🇺🇸
author keywords: emission mechanisms in perovskites; metal-halide perovskites; patterning of perovskite cavities; perovskite lasers
Sources: Web Of Science, ORCID
Added: August 7, 2023

2023 journal article

Sustainable materials acceleration platform reveals stable and efficient wide-bandgap metal halide perovskite alloys

MATTER, 6(9), 2963–2986.

By: T. Wang n, R. Li*, H. Ardekani n, L. Serrano-Lujan*, J. Wang n, M. Ramezani n, R. Wilmington n, M. Chauhan n ...

co-author countries: Spain 🇪🇸 United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: October 10, 2023

2022 journal article

Author Correction: Room-temperature superfluorescence in hybrid perovskites and its origins

Nature Photonics, 4.

By: M. Biliroglu n, G. Findik n, J. Mendes n, D. Seyitliyev n, L. Lei n, Q. Dong n, Y. Mehta n, V. Temnov*, F. So n, K. Gundogdu n

co-author countries: France 🇫🇷 United States of America 🇺🇸
Source: ORCID
Added: April 21, 2022

2022 journal article

Cavity Engineering of Perovskite Distributed Feedback Lasers

ACS Photonics, 9(9), 3124–3133.

By: Q. Dong n, X. Fu n, D. Seyitliyev n, K. Darabi n, J. Mendes n, L. Lei n, Y. Chen*, C. Chang* ...

co-author countries: United States of America 🇺🇸
author keywords: perovskite lasers; distributed feedback lasers; cavity fabrication; cavity engineering
Sources: Web Of Science, ORCID, Crossref
Added: August 19, 2022

2022 article

Importance of Electric-Field-Independent Mobilities in Thick-Film Organic Solar Cells

Ho, C. H. Y., Pei, Y., Qin, Y., Zhang, C., Peng, Z., Angunawela, I., … So, F. (2022, October 11). ACS APPLIED MATERIALS & INTERFACES, Vol. 10.

By: C. Ho n, Y. Pei n, Y. Qin n, C. Zhang*, Z. Peng n, I. Angunawela n, A. Jones*, H. Yin* ...

co-author countries: China 🇨🇳 United States of America 🇺🇸

Contributors: C. Ho n

author keywords: organic photovoltaic; fill factor; thick film; mobility; field dependence; electric field
Sources: Web Of Science, ORCID
Added: October 23, 2022

2022 journal article

Room-temperature superfluorescence in hybrid perovskites and its origins

NATURE PHOTONICS, 16(4), 324-+.

By: M. Biliroglu n, G. Findik n, J. Mendes n, D. Seyitliyev n, L. Lei n, Q. Dong n, Y. Mehta n, V. Temnov*, F. So n, K. Gundogdu n

co-author countries: France 🇫🇷 United States of America 🇺🇸
Sources: ORCID, Web Of Science
Added: April 14, 2022

2022 article

Spintronic Terahertz Emission in Ultrawide Bandgap Semiconductor/Ferromagnet Heterostructures

Comstock, A., Biliroglu, M., Seyitliyev, D., McConnell, A., Vetter, E., Reddy, P., … Sun, D. (2022, October 31). ADVANCED OPTICAL MATERIALS, Vol. 10.

By: A. Comstock n, M. Biliroglu n, D. Seyitliyev n, A. McConnell n, E. Vetter n, P. Reddy*, R. Kirste*, D. Szymanski* ...

co-author countries: United States of America 🇺🇸
author keywords: spintronics; terahertz; two-dimensional electron gas; ultrawide bandgap semiconductors
Sources: Web Of Science, ORCID
Added: November 14, 2022

2021 journal article

Broadband micro-transient absorption spectroscopy enabled by improved lock-in amplification

REVIEW OF SCIENTIFIC INSTRUMENTS, 92(10).

By: H. Ardekani n, R. Wilmington n, M. Vutukuru*, Z. Chen*, R. Brandt*, A. Swan*, K. Gundogdu n

co-author countries: United States of America 🇺🇸
Sources: ORCID, Web Of Science
Added: October 10, 2021

2021 journal article

Enhanced Dielectric Screening and Photoluminescence from Nanopillar-Strained MoS2 Nanosheets: Implications for Strain Funneling in Optoelectronic Applications

ACS APPLIED NANO MATERIALS, 4(8), 8101–8107.

co-author countries: United States of America 🇺🇸
author keywords: mulitlayer molybdenum disulfide; nonlocal strain engineering; exciton funneling; PL enhancement; charge and exciton screening
Sources: ORCID, Web Of Science
Added: August 4, 2021

2021 journal article

Fermi liquid theory sheds light on hot electron-hole liquid in 1L-MoS2

PHYSICAL REVIEW B, 103(7).

By: R. Wilmington n, H. Ardekani n, A. Rustagi n, A. Bataller n, A. Kemper n, R. Younts*, K. Gundogdu n

co-author countries: United States of America 🇺🇸
Sources: ORCID, Web Of Science
Added: February 12, 2021

2021 journal article

High-temperature superfluorescence in methyl ammonium lead iodide

Nature Photonics, 15(9), 676–680.

By: G. Findik n, M. Biliroglu n, D. Seyitliyev n, J. Mendes n, A. Barrette n, H. Ardekani n, L. Lei n, Q. Dong n, F. So n, K. Gundogdu n

co-author countries: United States of America 🇺🇸
Sources: ORCID, Web Of Science, Crossref
Added: June 22, 2021

2021 review

Metal Halide Perovskites for Laser Applications

[Review of ]. ADVANCED FUNCTIONAL MATERIALS, 31(16).

By: L. Lei n, Q. Dong n, K. Gundogdu n & F. So n

co-author countries: United States of America 🇺🇸
author keywords: amplified spontaneous emission; electron– phonon coupling; halide perovskites; lasers; quasi‐ 2D perovskites
Sources: Web Of Science, ORCID
Added: March 8, 2021

2021 journal article

Timescales of excited state relaxation in alpha-RuCl3 observed by time-resolved two-photon photoemission spectroscopy

PHYSICAL REVIEW B, 103(24).

By: D. Nevola n, A. Bataller n, A. Kumar n, S. Sridhar n, J. Frick n, S. O'Donnell n, H. Ade n, P. Maggard n ...

co-author countries: United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: June 2, 2021

2021 article

Ultra-High Alignment of Polymer Semiconductor Blends Enabling Photodetectors with Exceptional Polarization Sensitivity

Schrickx, H. M., Sen, P., Booth, R. E., Altaqui, A., Burleson, J., Rech, J. J., … Brendan T. O'Connor. (2021, October 7). ADVANCED FUNCTIONAL MATERIALS, Vol. 10.

By: H. Schrickx n, P. Sen n, R. Booth n, A. Altaqui n, J. Burleson n, J. Rech*, J. Lee*, M. Biliroglu n ...

co-author countries: Korea (Republic of) 🇰🇷 United States of America 🇺🇸
author keywords: all-polymer bulk heterojunctions; organic photodetectors; polarization detection; polymer alignment
Sources: Web Of Science, ORCID
Added: October 18, 2021

2020 journal article

Critical Role of Polymer Aggregation and Miscibility in Nonfullerene-Based Organic Photovoltaics

ADVANCED ENERGY MATERIALS, 10(8).

By: X. Yi n, Z. Peng n, B. Xu*, D. Seyitliyev n, C. Ho n, E. Danilov n, T. Kim n, J. Reynolds* ...

co-author countries: United States of America 🇺🇸
author keywords: charge generation; charge transport; morphology; nonfullerene acceptors; polymer aggregation
Sources: Web Of Science, ORCID
Added: February 10, 2020

2020 journal article

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

ADVANCED MATERIALS, 32(16).

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

co-author countries: United States of America 🇺🇸
author keywords: amplified spontaneous emission; distributed-feedback lasers; energy funneling; light-emitting diodes; quasi-2D perovskites
Sources: Web Of Science, ORCID
Added: March 16, 2020

2020 journal article

Multi-mode Organic Light-Emitting Diode to Suppress the Viewing Angle Dependence

ACS APPLIED MATERIALS & INTERFACES, 12(28), 31667–31676.

By: C. Dong n, X. Fu n, L. Cao*, S. Amoah n, K. Gundogdu n, J. Li*, F. So n

co-author countries: United States of America 🇺🇸
author keywords: white OLED; top-emitting OLED; cavity effect; multiple cavity modes; angular color shift
Sources: Web Of Science, ORCID
Added: August 10, 2020

2020 journal article

Thermodynamic Properties and Molecular Packing Explain Performance and Processing Procedures of Three D18:NFA Organic Solar Cells

ADVANCED MATERIALS, 32(49).

By: Z. Wang, Z. Peng n, Z. Xiao*, D. Seyitliyev n, K. Gundogdu n, L. Ding*, H. Ade n

co-author countries: China 🇨🇳 United States of America 🇺🇸
author keywords: chain extension; molecular packing; polymer solar cells; processing procedures; thermodynamic properties
Sources: Web Of Science, ORCID
Added: November 24, 2020

2020 journal article

Towards radiation detection using Cs2AgBiBr6 double perovskite single crystals

Materials Letters, 269, 127667.

By: Z. Zhang n, C. Chung n, Z. Huang n, E. Vetter n, D. Seyitliyev n, D. Sun n, K. Gundogdu n, F. Castellano n, E. Danilov n, G. Yang n

co-author countries: United States of America 🇺🇸

Contributors: Z. Zhang n, C. Chung n, Z. Huang n, E. Vetter n, D. Seyitliyev n, D. Sun n, K. Gundogdu n, F. Castellano n, E. Danilov n, G. Yang n

author keywords: Double perovskite; Bandgap energy; Space charge limited current; Mobility-lifetime product; Radiation detector
Sources: Web Of Science, ORCID, Crossref
Added: April 20, 2020

2020 journal article

Understanding the Role of Ion Migration in the Operation of Perovskite Light-Emitting Diodes by Transient Measurements

ACS APPLIED MATERIALS & INTERFACES, 12(43), 48845–48853.

By: Q. Dong n, J. Mendes n, L. Lei n, D. Seyitliyev n, L. Zhu n, S. He n, K. Gundogdu n, F. So n

co-author countries: United States of America 🇺🇸
author keywords: ion migration; perovskite light-emitting diodes; transient electroluminescence; transient current; device physics; charge injection
Sources: Web Of Science, ORCID
Added: December 21, 2020

2019 journal article

Correction to Dense Electron–Hole Plasma Formation and Ultralong Charge Lifetime in Monolayer MoS2 via Material Tuning

Nano Letters, 19(7), 4816–4816.

By: A. Bataller, R. Younts, A. Rustagi, Y. Yu, H. Ardekani, A. Kemper, L. Cao, K. Gundogdu*

Source: ORCID
Added: June 29, 2019

2019 journal article

Dense Electron–Hole Plasma Formation and Ultralong Charge Lifetime in Monolayer MoS2 via Material Tuning

Nano Letters, 19(2), 1104–1111.

By: A. Bataller n, R. Younts n, A. Rustagi n, Y. Yu n, H. Ardekani n, A. Kemper n, L. Cao n, K. Gundogdu n

co-author countries: United States of America 🇺🇸
author keywords: Two-dimensional materials; MoS2; transition metal dichalcogenides; dense electron-hole plasma; bandgap renormalization; direct to indirect bandgap transition
Sources: ORCID, Crossref
Added: February 20, 2019

2019 journal article

Direct-Bandgap 2D Silver-Bismuth Iodide Double Perovskite: The Structure-Directing Influence of an Oligothiophene Spacer Cation

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 141(19), 7955–7964.

By: M. Jana*, S. Janke*, D. Dirkes*, S. Dovletgeldi n, C. Liu*, Qin, . gundogdu n, W. You* ...

co-author countries: United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: June 4, 2019

2019 journal article

Low temperature cathodoluminescence study of Fe-doped β-Ga2O3

Materials Letters, 257, 126744.

By: I. Hany, G. Yang, C. Zhou n, C. Sun*, K. Gundogdu n, D. Seyitliyev n, E. Danilov n, F. Castellano n ...

co-author countries: United States of America 🇺🇸

Contributors: I. Hany, G. Yang, C. Zhou n, C. Sun*, K. Gundogdu n, D. Seyitliyev n, E. Danilov n, F. Castellano n, D. Sun n, E. Vetter n

Sources: Web Of Science, ORCID, Crossref
Added: November 18, 2019

2019 journal article

Near Band‐Edge Optical Excitation Leading to Catastrophic Ionization and Electron–Hole Liquid in Room‐Temperature Monolayer MoS2

Physica Status Solidi (b).

By: R. Younts n, A. Bataller n, H. Ardekani n, Y. Yu n, L. Cao n & K. Gundogdu n

co-author countries: United States of America 🇺🇸
author keywords: 2D materials; electron-hole liquid; MoS2; Mott transition
Source: ORCID
Added: August 12, 2019

2019 journal article

Phase-Pure Hybrid Layered Lead Iodide Perovskite Films Based on a Two-Step Melt-Processing Approach

CHEMISTRY OF MATERIALS, 31(11), 4267–4274.

co-author countries: United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: July 1, 2019

2019 journal article

Reversible Photoluminescence Tuning by Defect Passivation via Laser Irradiation on Aged Monolayer MoS2

ACS Applied Materials & Interfaces, 11(41), 38240–38246.

By: H. Ardekani n, R. Younts n, Y. Yu n, L. Cao n & K. Gundogdu n

co-author countries: United States of America 🇺🇸
author keywords: MoS2; photoluminescence; Raman; reversible defect passivation; exciton; oxygen; laser annealing
Source: ORCID
Added: October 2, 2019

2019 journal article

Rigid valence band shift due to molecular surface counter-doping of MoS2

SURFACE SCIENCE, 679, 254–258.

By: D. Nevola n, B. Hoffman n, A. Bataller n, H. Ade n, K. Gundogdu n & D. Dougherty n

co-author countries: United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: January 21, 2019

2019 journal article

Room-Temperature Electron-Hole Liquid in Monolayer MoS2

ACS NANO, 13(9), 10351–10358.

co-author countries: United States of America 🇺🇸
author keywords: electron-hole plasma; exciton; phase transition; molybdenum disulfide; transitional metal dichalcogenides; TMDC
Sources: Web Of Science, ORCID
Added: October 14, 2019

2019 journal article

Tunable internal quantum well alignment in rationally designed oligomer-based perovskite films deposited by resonant infrared matrix-assisted pulsed laser evaporation

MATERIALS HORIZONS, 6(8), 1707–1716.

By: W. Dunlap-Shohl*, E. Barraza*, A. Barrette n, S. Dovletgeldi n, G. Findik n, D. Dirkes*, C. Liu*, M. Jana* ...

co-author countries: United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: October 7, 2019

2018 journal article

Aqueous Soluble Fullerene Acceptors for Efficient Eco-Friendly Polymer Solar Cells Processed from Benign Ethanol/Water Mixtures

CHEMISTRY OF MATERIALS, 30(16), 5663–5672.

By: Y. Kim*, J. Choi*, C. Lee*, Y. Kim*, C. Kim*, T. Nguyen*, B. Gautam*, . gundogdu n ...

co-author countries: Korea (Republic of) 🇰🇷 United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: October 19, 2018

2018 journal article

Charge generation dynamics in polymer nonfullerene solar cells with low energy loss

JOURNAL OF PHOTONICS FOR ENERGY, 8(3).

By: R. Younts n, E. Danilov n, K. Gundogdu n & B. Gautam*

co-author countries: United States of America 🇺🇸
author keywords: nonfullerene acceptors; charge transfer; charge separation; energy loss; heterojunction
Sources: Web Of Science, ORCID
Added: February 11, 2019

2018 journal article

Every Atom Counts: Elucidating the Fundamental Impact of Structural Change in Conjugated Polymers for Organic Photovoltaics

CHEMISTRY OF MATERIALS, 30(9), 2995–3009.

By: C. Lo*, B. Gautam n, P. Selter*, Z. Zheng*, S. Oosterhout*, I. Constantinou n, R. Knitsch*, R. Wolfe* ...

co-author countries: Germany 🇩🇪 United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: August 6, 2018

2018 journal article

Increased Exciton Delocalization of Polymer upon Blending with Fullerene

Advanced Materials, 30(30), 1801392.

By: B. Gautam n, E. Klump n, X. Yi n, I. Constantinou n, N. Shewmon n, A. Salehi n, C. Lo*, Z. Zheng* ...

co-author countries: United States of America 🇺🇸
author keywords: charge transfer states; electroabsorption; exciton delocalization; Frenkel exciton; polarizability
Sources: Crossref, ORCID
Added: December 5, 2019

2018 journal article

MAPbI(3) Solar Cells with Absorber Deposited by Resonant Infrared Matrix-Assisted Pulsed Laser Evaporation

ACS ENERGY LETTERS, 3(2), 270–275.

co-author countries: United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: August 6, 2018

2018 journal article

Polymer non-fullerene solar cells of vastly different efficiencies for minor side-chain modification: impact of charge transfer, carrier lifetime, morphology and mobility

JOURNAL OF MATERIALS CHEMISTRY A, 6(26), 12484–12492.

By: O. Awartani n, B. Gautam n, W. Zhao*, R. Younts n, J. Hou*, K. Gundogdu n, H. Ade n

co-author countries: China 🇨🇳 United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: August 6, 2018

2018 journal article

The Role of FRET in Non-Fullerene Organic Solar Cells: Implications for Molecular Design

JOURNAL OF PHYSICAL CHEMISTRY A, 122(15), 3764–3771.

By: B. Gautam n, R. Younts n, J. Carpenter n, H. Ade n & K. Gundogdu n

co-author countries: United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: August 6, 2018

2017 journal article

A near-infrared non-fullerene electron acceptor for high performance polymer solar cells

ENERGY & ENVIRONMENTAL SCIENCE, 10(7), 1610–1620.

By: Y. Li*, L. Zhong*, B. Gautam n, H. Bin*, J. Lin*, F. Wu*, Z. Zhang*, Z. Jiang* ...

co-author countries: China 🇨🇳 United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: August 6, 2018

2017 journal article

Efficient generation of long-lived triplet excitons in 2D hybrid perovskite

Advanced Materials, 29(9).

By: R. Younts, H. Duan, B. Gautam, B. Saparov, J. Liu, C. Mongin, F. Castellano, D. Mitzi, K. Gundogdu

Source: NC State University Libraries
Added: August 6, 2018

2017 journal article

Enhancing Multifunctionalities of Transition-Metal Dichalcogenide Monolayers via Cation Intercalation

ACS Nano, 11(9), 9390–9396.

By: Y. Yu*, G. Li*, L. Huang*, A. Barrette, Y. Cai*, Y. Yu*, K. Gundogdu*, Y. Zhang*, L. Cao*

co-author countries: Singapore 🇸🇬
author keywords: hydrogen ion; lithium ion; intercalation; molybdenum sulfide; tungsten sulfide; molybdenum selenide; tungsten selenide
Sources: Crossref, ORCID, Web Of Science
Added: August 6, 2018

2017 journal article

Impact of highly crystalline, isoindigo-based small-molecular additives for enhancing the performance of all-polymer solar cells

JOURNAL OF MATERIALS CHEMISTRY A, 5(40), 21291–21299.

By: H. Cho*, G. Han*, R. Younts n, W. Lee*, B. Gautam*, S. Lee*, C. Lee*, T. Kim* ...

co-author countries: Korea (Republic of) 🇰🇷 United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: August 6, 2018

2017 journal article

Impact of the photo-induced degradation of electron acceptors on the photophysics, charge transport and device performance of all-polymer and fullerene-polymer solar cells

JOURNAL OF MATERIALS CHEMISTRY A, 5(42), 22170–22179.

By: T. Kim*, R. Younts n, W. Lee*, S. Lee*, K. Gundogdu n & B. Kim*

co-author countries: Korea (Republic of) 🇰🇷 United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: August 6, 2018

2017 journal article

Monitoring Charge Separation Processes in Quasi-One-Dimensional Organic Crystalline Structures

Nano Letters, 17(10), 6056–6061.

By: A. Popescu*, R. Younts, B. Hoffman, T. McAfee*, D. Dougherty*, H. Ade*, K. Gundogdu*, I. Bondarev*

co-author countries: United States of America 🇺🇸
author keywords: Crystalline phthalocyanines; Frenkel excitons; charge-transfer excitons; polarization
Sources: Crossref, ORCID
Added: January 25, 2020

2017 journal article

Single Component Organic Solar Cells Based on Oligothiophene-Fullerene Conjugate

Advanced Functional Materials, 27(39), 1702474.

co-author countries: Korea (Republic of) 🇰🇷 United States of America 🇺🇸
author keywords: charge transfer; energy loss; organic photovoltaics; single component solar cells; transient absorption spectroscopy
Sources: Crossref, ORCID, NC State University Libraries
Added: August 6, 2018

2017 journal article

Strong polymer molecular weight-dependent material interactions: impact on the formation of the polymer/fullerene bulk heterojunction morphology

Journal of Materials Chemistry A, 5(25), 13176–13188.

By: J. Kim n, A. Gadisa n, C. Schaefer, H. Yao*, B. Gautam n, N. Balar n, M. Ghasemi n, I. Constantinou n ...

co-author countries: China 🇨🇳 United States of America 🇺🇸
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018

2017 journal article

The Impact of Sequential Fluorination of π-Conjugated Polymers on Charge Generation in All-Polymer Solar Cells

Advanced Functional Materials, 27(29), 1701256.

By: K. Kranthiraja*, S. Kim*, C. Lee*, K. Gunasekar*, V. Sree*, B. Gautam n, K. Gundogdu n, S. Jin*, B. Kim*

co-author countries: Korea (Republic of) 🇰🇷 United States of America 🇺🇸
Source: Crossref
Added: January 25, 2020

2017 journal article

The impact of sequential fluorination of pi-conjugated polymers on charge generation in all-polymer solar cells

Advanced Functional Materials, 27(29).

By: K. Kranthiraja, S. Kim, C. Lee, K. Gunasekar, V. Sree, B. Gautam, K. Gundogdu, S. Jin, B. Kim

Source: NC State University Libraries
Added: August 6, 2018

2016 journal article

A PCBM Electron Transport Layer Containing Small Amounts of Dual Polymer Additives that Enables Enhanced Perovskite Solar Cell Performance

ADVANCED SCIENCE, 3(9).

By: Z. Zhu*, Q. Xue*, H. He*, K. Jiang*, Z. Hu*, Y. Bai*, T. Zhang*, S. Xiao* ...

co-author countries: China 🇨🇳 Hong Kong 🇭🇰 United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: August 6, 2018

2016 journal article

Charge photogeneration in organic photovoltaics: Role of hot versus cold charge-transfer excitons

Advanced Energy Materials, 6(1).

By: B. Gautam n, R. Younts n, W. Li*, L. Yan*, E. Danilov n, E. Klump n, I. Constantinou n, F. So n ...

co-author countries: United States of America 🇺🇸
Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2016 journal article

Controlling Energy Levels and Blend Morphology for All-Polymer Solar Cells via Fluorination of a Naphthalene Diimide-Based Copolymer Acceptor

MACROMOLECULES, 49(17), 6374–6383.

By: M. Uddin*, Y. Kim*, R. Younts n, W. Lee*, B. Gautam n, J. Choi*, C. Wang*, . gundogdu n ...

co-author countries: Korea (Republic of) 🇰🇷 United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: August 6, 2018

2016 journal article

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.

By: H. Cheema n, R. Younts n, B. Gautam n, K. Gundogdu n & A. El-Shafei n

co-author countries: United States of America 🇺🇸

Contributors: H. Cheema n, R. Younts n, B. Gautam n, K. Gundogdu n & A. El-Shafei n

author keywords: Electronic materials; Interfaces; Optical materials; Surfaces; Electrochemical techniques
Sources: Web Of Science, ORCID
Added: August 6, 2018

2016 journal article

Effects of Cd Diffusion and Doping in High-Performance Perovskite Solar Cells Using CdS as Electron Transport Layer

JOURNAL OF PHYSICAL CHEMISTRY C, 120(30), 16437–16445.

By: W. Dunlap-Shohl*, R. Younts n, B. Gautam n, K. Gundogdu n & D. Mitzi*

co-author countries: United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: August 6, 2018

2016 journal article

Efficient Charge Transfer and Fine-Tuned Energy Level Alignment in a THF-Processed Fullerene-Free Organic Solar Cell with 11.3% Efficiency

Advanced Materials, 29(5), 1604241.

By: Z. Zheng*, O. Awartani n, B. Gautam n, D. Liu*, Y. Qin*, W. Li*, A. Bataller n, . gundogdu n ...

co-author countries: China 🇨🇳 United States of America 🇺🇸
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018

2016 journal article

Efficient Generation of Long-Lived Triplet Excitons in 2D Hybrid Perovskite

Advanced Materials, 29(9), 1604278.

By: R. Younts n, H. Duan*, B. Gautam n, B. Saparov*, J. Liu*, C. Mongin n, F. Castellano n, D. Mitzi*, K. Gundogdu n

co-author countries: United States of America 🇺🇸

Contributors: R. Younts n, H. Duan*, B. Gautam n, B. Saparov*, J. Liu*, C. Mongin n, F. Castellano n, D. Mitzi*, K. Gundogdu n

Sources: Crossref, ORCID
Added: January 25, 2020

2016 journal article

Engineering Substrate Interactions for High Luminescence Efficiency of Transition-Metal Dichalcogenide Monolayers

ADVANCED FUNCTIONAL MATERIALS, 26(26), 4733–4739.

By: Y. Yu n, Y. Yu n, C. Xu n, Y. Cai*, L. Su*, Y. Zhang*, Y. Zhang*, K. Gundogdu n, L. Cao n

co-author countries: Singapore 🇸🇬 United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: August 6, 2018

2016 journal article

Fast charge separation in a non-fullerene organic solar cell with a small driving force

Nature Energy, 1(7).

By: J. Liu*, S. Chen*, D. Qian*, B. Gautam n, G. Yang*, J. Zhao*, J. Bergqvist*, F. Zhang* ...

co-author countries: China 🇨🇳 Hong Kong 🇭🇰 Sweden 🇸🇪 United States of America 🇺🇸
Sources: Crossref, ORCID
Added: June 30, 2019

2016 journal article

Fundamental limits of exciton-exciton annihilation for light emission in transition metal dichalcogenide monolayers

Physical Review B, 93(20).

By: Y. Yu n, Y. Yu, C. Xu n, A. Barrette n, . gundogdu n & L. Cao n

co-author countries: United States of America 🇺🇸
Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2016 journal article

Lowest energy Frenkel and charge transfer exciton intermixing in one-dimensional copper phthalocyanine molecular lattice

APPLIED PHYSICS LETTERS, 109(21).

By: I. Bondarev*, A. Popescu*, R. Younts n, B. Hoffman n, T. McAfee n, D. Dougherty n, K. Gundogdu n, H. Ade n

co-author countries: United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: August 6, 2018

2015 journal article

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.

By: H. Cheema n, R. Younts n, L. Ogbose*, B. Gautam n, K. Gundogdu n & A. El-Shafei n

co-author countries: Nigeria 🇳🇬 United States of America 🇺🇸

Contributors: H. Cheema n, R. Younts n, L. Ogbose*, B. Gautam n, K. Gundogdu n & A. El-Shafei n

Sources: Web Of Science, ORCID
Added: August 6, 2018

2015 journal article

Charge Generation Dynamics in Efficient All-Polymer Solar Cells: Influence of Polymer Packing and Morphology

ACS APPLIED MATERIALS & INTERFACES, 7(50), 27586–27591.

By: B. Gautam*, C. Lee*, R. Younts*, W. Lee*, E. Danilov*, B. Kim*, K. Gundogdu*

co-author countries: Korea (Republic of) 🇰🇷
author keywords: all polymer solar cells; charge generation/recombination; nanomorphology; polymer packing; ultrafast spectroscopy
Sources: Web Of Science, ORCID
Added: August 6, 2018

2015 journal article

Charge Photogeneration in Organic Photovoltaics: Role of Hot versus Cold Charge-Transfer Excitons

Advanced Energy Materials, 6(1), 1301032.

By: B. Gautam n, R. Younts n, W. Li*, L. Yan*, E. Danilov n, E. Klump n, I. Constantinou n, F. So n ...

co-author countries: United States of America 🇺🇸
Sources: Crossref, ORCID
Added: January 25, 2020

2015 journal article

Direct Optical Observation of Stimulated Emission from Hot Charge Transfer Excitons in Bulk Heterojunction Polymer Solar Cells

JOURNAL OF PHYSICAL CHEMISTRY C, 119(34), 19697–19702.

By: B. Gautam n, A. Barrette n, C. Mai n, L. Yan*, Q. Zhang*, E. Danilov n, W. You*, H. Ade n, K. Gundogdu n

co-author countries: United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: August 6, 2018

2014 journal article

Exciton valley relaxation in a single layer ofWS2measured by ultrafast spectroscopy

Physical Review B, 90(4).

By: C. Mai n, Y. Semenov n, A. Barrette n, Y. Yu n, Z. Jin n, L. Cao n, K. Kim n, K. Gundogdu n

co-author countries: United States of America 🇺🇸
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018

2014 journal article

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.

By: H. Cheema n, A. Islam*, L. Han*, B. Gautam n, R. Younts n, K. Gundogdu n, A. El-Shafei n

co-author countries: Japan 🇯🇵 United States of America 🇺🇸

Contributors: H. Cheema n, A. Islam*, L. Han*, B. Gautam n, R. Younts n, K. Gundogdu n, A. El-Shafei n

Sources: Web Of Science, ORCID
Added: August 6, 2018

2014 journal article

Intrinsic and extrinsic effects on the electrostatic field at the surface of Bi2Se3

Journal of Applied Physics, 116(4), 043519.

By: C. Xu n, A. Hewitt n, J. Wang n, T. Guan n, J. Boltersdorf n, P. Maggard n, D. Dougherty n, K. Gundogdu n

co-author countries: United States of America 🇺🇸
Sources: Crossref, ORCID, NC State University Libraries
Added: August 6, 2018

2014 journal article

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.

co-author countries: Japan 🇯🇵 Nepal 🇳🇵 Saudi Arabia 🇸🇦 United States of America 🇺🇸

Contributors: H. Cheema n, A. Islam*, R. Younts n, B. Gautam n, I. Bedja*, R. Gupta*, L. Han*, K. Gundogdu n, A. El-Shafei n

Sources: Web Of Science, ORCID
Added: August 6, 2018

2014 journal article

Spatial temperature mapping within polymer nanocomposites undergoing ultrafast photothermal heating via gold nanorods

NANOSCALE, 6(24), 15236–15247.

By: S. Maity n, W. Wu n, C. Xu n, J. Tracy n, K. Gundogdu n, J. Bochinski n, L. Clarke n

co-author countries: United States of America 🇺🇸

Contributors: S. Maity n, W. Wu n, C. Xu n, J. Tracy n, K. Gundogdu n, J. Bochinski n, L. Clarke n

MeSH headings : Gold / chemistry; Gold / radiation effects; Hot Temperature; Light; Materials Testing / methods; Metal Nanoparticles / chemistry; Metal Nanoparticles / radiation effects; Metal Nanoparticles / ultrastructure; Nanoconjugates / chemistry; Nanoconjugates / radiation effects; Nanoconjugates / ultrastructure; Nanotubes / chemistry; Nanotubes / radiation effects; Nanotubes / ultrastructure; Spectrometry, Fluorescence / methods; Thermography / methods
Sources: Web Of Science, ORCID
Added: August 6, 2018

2014 conference paper

Ultrafast valley relaxation dynamics in single layer semiconductors

Ultrafast nonlinear imaging and spectroscopy ii, 9198.

By: A. Barrette, C. Mai, Y. Yu, Y. Semenov, Z. Jin, K. Kim, L. Cao, K. Gundogdu

Source: NC State University Libraries
Added: August 6, 2018

2013 journal article

Many-Body Effects in Valleytronics: Direct Measurement of Valley Lifetimes in Single-Layer MoS2

Nano Letters, 14(1), 202–206.

By: C. Mai n, A. Barrette n, Y. Yu n, Y. Semenov n, K. Kim n, L. Cao n, K. Gundogdu n

co-author countries: United States of America 🇺🇸
author keywords: MoS2; valley relaxation; transient absorption; many-body interactions; transition metal dichalcogenides; two-dimensional materials
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018

2012 journal article

Control of the oxidation kinetics of H-terminated (111)Si by using the carrier concentration and the strain: a second-harmonic-generation investigation

JOURNAL OF THE KOREAN PHYSICAL SOCIETY, 60(10), 1685–1689.

By: B. Gokce n, K. Gundogdu n & D. Aspnes*

co-author countries: Korea (Republic of) 🇰🇷 United States of America 🇺🇸
author keywords: Oxidation; Silicon; Second harmonic generation
Sources: Web Of Science, ORCID
Added: August 6, 2018

2012 journal article

Effect of p-type doping on the oxidation of H-Si(111) studied by second-harmonic generation

Journal of Vacuum Science & Technology. A, Vacuum, Surfaces, and Films, 30(4).

By: B. Gokce, D. Dougherty & K. Gundogdu

Source: NC State University Libraries
Added: August 6, 2018

2011 article

Back-reflection Second-harmonic Generation of (111)Si: Theory and Experiment

Gokce, B., Gundogdu, K., Adles, E. J., & Aspnes, D. E. (2011, May). JOURNAL OF THE KOREAN PHYSICAL SOCIETY, Vol. 58, pp. 1237–1243.

By: B. Gokce*, K. Gundogdu*, E. Adles & D. Aspnes n

co-author countries: United States of America 🇺🇸
author keywords: Second-harmonic generation; (111)Si; Anisotropic bond model
Sources: Web Of Science, ORCID
Added: August 6, 2018

2011 journal article

Bond-specific reaction kinetics during the oxidation of (111) Si: Effect of n-type doping

Applied Physics Letters, 98(2), 021904.

By: B. Gokce n, D. Aspnes n, G. Lucovsky n & K. Gundogdu n

co-author countries: United States of America 🇺🇸
Sources: Crossref, ORCID, NC State University Libraries
Added: August 6, 2018

2011 journal article

Effect of strain on bond-specific reaction kinetics during the oxidation of H-terminated (111) Si

Applied Physics Letters, 98(12), 121912.

By: B. Gokce n, D. Aspnes n & K. Gundogdu n

co-author countries: United States of America 🇺🇸
Sources: Crossref, ORCID, NC State University Libraries
Added: August 6, 2018

2011 journal article

Invited Article: The coherent optical laser beam recombination technique (COLBERT) spectrometer: Coherent multidimensional spectroscopy made easier

Review of Scientific Instruments, 82(8), 081301.

By: D. Turner*, K. Stone*, K. Gundogdu* & K. Nelson*

co-author countries: United States of America 🇺🇸
Sources: Crossref, ORCID
Added: September 9, 2020

2011 article

Measurement and Control of In-Plane Surface Chemistry During Oxidation of H-Terminated (111)Si

PHYSICS OF SEMICONDUCTORS: 30TH INTERNATIONAL CONFERENCE ON THE PHYSICS OF SEMICONDUCTORS, Vol. 1399.

By: B. Gokce*, E. Adles*, D. Aspnes* & K. Gundogdu*

author keywords: Silicon; nonlinear optics; oxidation; second-harmonic generation
Sources: Web Of Science, ORCID
Added: August 6, 2018

2010 journal article

Measurement and control of in-plane surface chemistry during the oxidation of H-terminated (111) Si

Proceedings of the National Academy of Sciences, 107(41), 17503–17508.

By: B. Gokce n, E. Adles n, D. Aspnes n & K. Gundogdu n

co-author countries: United States of America 🇺🇸
author keywords: silicon; hyperpolarizability; ellipsometry; metrology; optical
MeSH headings : Anisotropy; Chemistry / methods; Hydrogen / chemistry; Models, Chemical; Molecular Conformation; Nonlinear Dynamics; Oxidation-Reduction; Silicon / chemistry
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018

2009 article

Application of non-linear optical second harmonic generation and X-ray absorption and spectroscopies to defect related properties of Hf silicate and Hf Si oxynitride gate dielectrics

MICROELECTRONIC ENGINEERING, Vol. 86, pp. 1654–1657.

By: K. Gundogdu n, G. Lucovsky n, K. Chung n, J. Kim n & D. Nordlund*

co-author countries: United States of America 🇺🇸
author keywords: Hf oxide based dielectrics; Phase separated Hf silicates; Hf Si oxynitrides; Non-linear optical second harmonic generation; X-ray absorption spectroscopy; Vacancy defects; Elimination of macroscopic strain
Sources: Web Of Science, ORCID
Added: August 6, 2018

2009 journal article

Efforts toward Developing Probes of Protein Dynamics: Vibrational Dephasing and Relaxation of Carbon–Deuterium Stretching Modes in Deuterated Leucine

The Journal of Physical Chemistry B, 113(23), 7991–7994.

By: J. Zimmermann*, K. Gundogdu*, M. Cremeens*, J. Bandaria*, G. Hwang*, M. Thielges*, C. Cheatum*, F. Romesberg*

co-author countries: United States of America 🇺🇸
MeSH headings : Carbon / chemistry; Deuterium / chemistry; Leucine / chemistry; Proteins / chemistry
Sources: Crossref, ORCID
Added: September 9, 2020

2009 journal article

Exciton−Exciton Correlations Revealed by Two-Quantum, Two-Dimensional Fourier Transform Optical Spectroscopy

Accounts of Chemical Research, 42(9), 1452–1461.

By: K. Stone*, D. Turner*, K. Gundogdu*, S. Cundiff* & K. Nelson*

co-author countries: United States of America 🇺🇸
Sources: Crossref, ORCID
Added: September 9, 2020

2009 chapter

Three-Dimensional Electronic Four Wave-Mixing Spectroscopy in GaAs Quantum Wells

In Springer Series in Chemical Physics (pp. 286–288).

By: D. Turner*, K. Stone*, K. Gundogdu* & K. Nelson*

co-author countries: United States of America 🇺🇸
Sources: Crossref, ORCID
Added: September 9, 2020

2009 journal article

Three-dimensional electronic spectroscopy of excitons in GaAs quantum wells

The Journal of Chemical Physics, 131(14), 144510.

By: D. Turner*, K. Stone*, K. Gundogdu* & K. Nelson*

co-author countries: United States of America 🇺🇸
Sources: Crossref, ORCID
Added: September 9, 2020

2009 chapter

Two-quantum Two-dimensional Fourier Transform Electronic Spectroscopy of Biexcitons in GaAs Quantum Wells

In Springer Series in Chemical Physics (pp. 250–252).

By: K. Stone*, K. Gundogdu*, D. Turner*, X. Li*, S. Cundiff* & K. Nelson*

co-author countries: United States of America 🇺🇸
Sources: Crossref, ORCID
Added: September 9, 2020

2007 journal article

Multidimensional coherent spectroscopy made easy

Chemical Physics, 341(1-3), 89–94.

By: K. Gundogdu*, K. Stone*, D. Turner* & K. Nelson*

co-author countries: United States of America 🇺🇸
author keywords: multidimensional spectroscopy; four-wave mixing; coherent; ultrafast spectroscopy; pulse shaping
Sources: Crossref, ORCID
Added: September 9, 2020

2004 journal article

Effects of rapid thermal annealing on the optical properties of low-loss 1.3μm GaInNAs∕GaAs saturable Bragg reflectors

Journal of Applied Physics, 96(3), 1418–1424.

By: H. Sun*, R. Macaluso*, S. Calvez*, G. Valentine*, D. Burns*, M. Dawson*, K. Gundogdu*, K. Hall* ...

co-author countries: Finland 🇫🇮 United Kingdom of Great Britain and Northern Ireland 🇬🇧 United States of America 🇺🇸
Sources: Crossref, ORCID
Added: September 9, 2020

2004 journal article

GaInNAs/GaAs Bragg-mirror-based structures for novel 1.3μm device applications

Journal of Crystal Growth, 268(3-4), 457–465.

By: S. Calvez*, J. Hopkins*, S. Smith*, A. Clark*, R. Macaluso*, H. Sun*, M. Dawson*, T. Jouhti* ...

co-author countries: Finland 🇫🇮 United Kingdom of Great Britain and Northern Ireland 🇬🇧 United States of America 🇺🇸
author keywords: dilute nitrides; semiconducting III-V materials; semiconducting quaternary alloys; solid state lasers; vertical-cavity devices; vertical-cavity surface emitting lasers
Sources: Crossref, ORCID
Added: September 9, 2020

Employment

Updated: May 4th, 2021 00:47

2008 - present

North Carolina State University Raleigh, North Carolina, US
Professor Physics

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