Kenan Gundogdu

Hybrid Laser Cavity Design for Improved Photon Lifetime and Performance

IEEE PHOTONICS TECHNOLOGY LETTERS, 36(7), 516–519.

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.

High-Efficiency Linearly Polarized Organic Light-Emitting Diodes

ACS PHOTONICS, 10(9), 3342–3349.

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.

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

MATTER, 6(9), 2963–2986.

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

Nature Photonics, 4.

Cavity Engineering of Perovskite Distributed Feedback Lasers

ACS Photonics, 9(9), 3124–3133.

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.

Room-temperature superfluorescence in hybrid perovskites and its origins

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

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.

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

REVIEW OF SCIENTIFIC INSTRUMENTS, 92(10).

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.

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

PHYSICAL REVIEW B, 103(7).

High-temperature superfluorescence in methyl ammonium lead iodide

Nature Photonics, 15(9), 676–680.

Metal Halide Perovskites for Laser Applications

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

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

PHYSICAL REVIEW B, 103(24).

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.

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

ADVANCED ENERGY MATERIALS, 10(8).

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

ADVANCED MATERIALS, 32(16).

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

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

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

ADVANCED MATERIALS, 32(49).

Towards radiation detection using Cs2AgBiBr6 double perovskite single crystals

Materials Letters, 269, 127667.

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.

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

Nano Letters, 19(7), 4816–4816.

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

Nano Letters, 19(2), 1104–1111.

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.

Low temperature cathodoluminescence study of Fe-doped β-Ga2O3

Materials Letters, 257, 126744.

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

Physica Status Solidi (b).

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

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

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

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

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

SURFACE SCIENCE, 679, 254–258.

Room-Temperature Electron-Hole Liquid in Monolayer MoS2

ACS NANO, 13(9), 10351–10358.

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.

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

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

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

JOURNAL OF PHOTONICS FOR ENERGY, 8(3).

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

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

Increased Exciton Delocalization of Polymer upon Blending with Fullerene

Advanced Materials, 30(30), 1801392.

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

ACS ENERGY LETTERS, 3(2), 270–275.

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.

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

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

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

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

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

Advanced Materials, 29(9).

Enhancing Multifunctionalities of Transition-Metal Dichalcogenide Monolayers via Cation Intercalation

ACS Nano, 11(9), 9390–9396.

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.

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.

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

Nano Letters, 17(10), 6056–6061.

Single Component Organic Solar Cells Based on Oligothiophene-Fullerene Conjugate

Advanced Functional Materials, 27(39), 1702474.

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.

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

Advanced Functional Materials, 27(29), 1701256.

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

Advanced Functional Materials, 27(29).

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

ADVANCED SCIENCE, 3(9).

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

Advanced Energy Materials, 6(1).

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.

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.

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.

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.

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

Advanced Materials, 29(9), 1604278.

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

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

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

Nature Energy, 1(7).

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

Physical Review B, 93(20).

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

APPLIED PHYSICS LETTERS, 109(21).

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.

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

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

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

Advanced Energy Materials, 6(1), 1301032.

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.

Exciton valley relaxation in a single layer ofWS2measured by ultrafast spectroscopy

Physical Review B, 90(4).

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.

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

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

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.

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

NANOSCALE, 6(24), 15236–15247.

Ultrafast valley relaxation dynamics in single layer semiconductors

Ultrafast nonlinear imaging and spectroscopy ii, 9198.

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

Nano Letters, 14(1), 202–206.

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.

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).

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.

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

Applied Physics Letters, 98(2), 021904.

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

Applied Physics Letters, 98(12), 121912.

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

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

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.

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.

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.

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.

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

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

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

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

Three-dimensional electronic spectroscopy of excitons in GaAs quantum wells

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

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

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

Multidimensional coherent spectroscopy made easy

Chemical Physics, 341(1-3), 89–94.

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.

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

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