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Weon-kyu Koh · SciRah

Researcher profile · Semantic Scholar

Weon-kyu Koh

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Weon-kyu Koh — researcher profile on SciRah

h-index: 22
Works: 45
Citations: 2,577

Most-cited papers

Thiocyanate-capped nanocrystal colloids: vibrational reporter of surface chemistry and solution-based route to enhanced coupling in nanocrystal solids.
A. Fafarman, Weon-kyu Koh, B. Diroll, David K. Kim +8 more
2011Journal of the American Chemical Society335 citations
Semantic Scholar
Highly effective surface passivation of PbSe quantum dots through reaction with molecular chlorine.
W. Bae, J. Joo, L. Padilha, J. Won +6 more
2012Journal of the American Chemical Society245 citations
Semantic Scholar
Synthesis of monodisperse PbSe nanorods: a case for oriented attachment.
Weon-kyu Koh, A. Bartnik, F. Wise, C. Murray
2010Journal of the American Chemical Society196 citations
Semantic Scholar
Carrier multiplication in semiconductor nanocrystals: influence of size, shape, and composition.
L. Padilha, J. Stewart, R. Sandberg, W. Bae +3 more
2013Accounts of Chemical Research190 citations
Semantic Scholar
Room-Temperature Lasing in Colloidal Nanoplatelets via Mie-Resonant Bound States in the Continuum.
Mengfei Wu, Tung-Ha Son, Sushant Shendre, E. G. Durmusoglu +6 more
2020Nano letters (Print)187 citations Open access
Semantic Scholar
Composition-Dependent Hot Carrier Relaxation Dynamics in Cesium Lead Halide (CsPbX3 , X=Br and I) Perovskite Nanocrystals.
Heejae Chung, Seok Il Jung, H. Kim, Won-Young Cha +4 more
2017Angewandte Chemie178 citations
Semantic Scholar
Thiocyanate-capped PbS nanocubes: ambipolar transport enables quantum dot based circuits on a flexible substrate.
Weon-kyu Koh, S. Saudari, A. Fafarman, C. Kagan +1 more
2011Nano letters (Print)178 citations Open access
Semantic Scholar
Aspect ratio dependence of auger recombination and carrier multiplication in PbSe nanorods.
L. Padilha, J. Stewart, R. Sandberg, W. Bae +3 more
2013Nano letters (Print)135 citations
Semantic Scholar
Heavily doped n-type PbSe and PbS nanocrystals using ground-state charge transfer from cobaltocene
Weon-kyu Koh, Alexey Y. Koposov, J. Stewart, B. Pal +3 more
2013Scientific Reports129 citations Open access
Semantic Scholar
Electronic states and optical properties of PbSe nanorods and nanowires
Adam Bartnik, A. Efros, Weon-kyu Koh, C. B. Murray +1 more
2010120 citations Open access
Semantic Scholar
Multiscale periodic assembly of striped nanocrystal superlattice films on a liquid surface.
Ang-Ang Dong, Jun Chen, S. Oh, Weon-kyu Koh +6 more
2011Nano letters (Print)80 citations
Semantic Scholar
Carrier Multiplication in Quantum Dots within the Framework of Two Competing Energy Relaxation Mechanisms.
J. Stewart, L. Padilha, W. Bae, Weon-kyu Koh +2 more
2013Journal of Physical Chemistry Letters66 citations
Semantic Scholar
Novel synthesis of organic nanowires and their optical properties.
Jin-Kyu Lee, Weon-kyu Koh, W. Chae, Yong-Rok Kim
2002Chemical Communications63 citations
Semantic Scholar
Ultrafast supercontinuum spectroscopy of carrier multiplication and biexcitonic effects in excited states of PbS quantum dots.
Felice Gesuele, M. Sfeir, Weon-kyu Koh, Christopher B. Murray +2 more
2011Nano letters (Print)59 citations Open access
Semantic Scholar
Electrically control amplified spontaneous emission in colloidal quantum dots
Jun-Hong Yu, Sushant Shendre, Weon-kyu Koh, Baiquan Liu +10 more
2019Science Advances58 citations Open access
Semantic Scholar
Design and synthesis of heterostructured quantum dots with dual emission in the visible and infrared.
Qianglu Lin, Nikolay S. Makarov, Weon-kyu Koh, K. Velizhanin +4 more
2015ACS Nano54 citations Open access
Semantic Scholar
Phosphonic Acid Stabilized Colloidal CsPbX3 (X=Br, I) Perovskite Nanocrystals and Their Surface Chemistry
Weon-kyu Koh, Sungjun Park, Yong-nam Ham
201650 citations
Semantic Scholar
Tailored growth of single-crystalline InP tetrapods
Youngsik Kim, Hyekyoung Choi, Yeunhee Lee, Weon-kyu Koh +6 more
2021Nature Communications44 citations Open access
Semantic Scholar
Investigating the Phosphine Chemistry of Se Precursors for the Synthesis of PbSe Nanorods
Weon-kyu Koh, Youngmin Yoon, C. Murray
201139 citations
Semantic Scholar
Thickness-Controlled Quasi-Two-Dimensional Colloidal PbSe Nanoplatelets.
Weon-kyu Koh, Naveen K. Dandu, A. F. Fidler, V. Klimov +2 more
2017Journal of the American Chemical Society34 citations Open access
Semantic Scholar
Ambipolar and unipolar PbSe nanowire field-effect transistors.
David K. Kim, T. Vemulkar, S. Oh, Weon-kyu Koh +2 more
2011ACS Nano33 citations
Semantic Scholar
Single-Mode Lasing from a Monolithic Microcavity with Few-Monolayer-Thick Quantum Dot Films
Hyochul Kim, Kyung-Sang Cho, Heejeong Jeong, Jineun Kim +5 more
201623 citations
Semantic Scholar
Far-infrared absorption of PbSe nanorods.
Byung-Ryool Hyun, Adam Bartnik, Weon-kyu Koh, N. Agladze +4 more
2011Nano letters (Print)20 citations Open access
Semantic Scholar
Ligand Exchange and Impurity Doping in 2D CdSe Nanoplatelet Thin Films and Their Applications
W. Lee, Y. Kang, Manoj Sharma, Yong-Min Lee +6 more
2021Advanced Electronic Materials16 citations Open access
Semantic Scholar
Composition-dependent trap distributions in CdSe and InP quantum dots probed using photoluminescence blinking dynamics.
Heejae Chung, Kyung-Sang Cho, Weon-kyu Koh, Dongho Kim +1 more
2016Nanoscale14 citations
Semantic Scholar
Energetic Sulfide Vapor‐Processed Colloidal InAs Quantum Dot Solids for Efficient Charge Transport and Photoconduction
Weon-kyu Koh, Soo-Ho Choi, Youngsik Kim, Hyojung Kim +2 more
2021Advanced Photonics Research11 citations Open access
Semantic Scholar
TCNQ Interlayers for Colloidal Quantum Dot Light-Emitting Diodes.
Weon-kyu Koh, T. Shin, Changhoon Jung, Dr-Kyung-Sang Cho
2016ChemPhysChem9 citations
Semantic Scholar
Infrared light-emitting diodes based on colloidal PbSe/PbS core/shell nanocrystals
Byung-Ryool Hyun, M. Marus, H. Zhong, De-Peng Li +6 more
2020Chinese Physics B6 citations Open access
Semantic Scholar
Weak exciton-photon coupling of PbS nanocrystals in air-slot mode-gap Si photonic crystal nanocavities in the near-infrared
Jie Gao, F. Gesuele, Weon-kyu Koh, C. Murray +2 more
2010CLEO/QELS: 2010 Laser Science to Photonic Applications3 citations
Semantic Scholar
Ultrafast supercontinuum spectroscopy of multiple exciton states in lead chalcogenide nanorods and nanocrystals
F. Gesuele, M. Sfeir, Weon-kyu Koh, C. Murray +2 more
2012Conference on Lasers and Electro-Optics2 citations
Semantic Scholar
Purcell-enhanced spontaneous emission of colloidal PbS quantum dots in slow-light silicon photonic crystal waveguides at the near-infrared
J. McMillan, Ming-Bin Yu, Weon-kyu Koh, C. Murray +2 more
20092009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum electronics and Laser Science Conference1 citations
Semantic Scholar
Controlling Light Amplification of Colloidal Quantum Dots in an Active Device
Jun-Hong Yu, Sushant Shendre, Weon-kyu Koh, Baiquan Liu +8 more
2019Conference on Lasers and Electro-Optics0 citations
Semantic Scholar
Ultrathin Colloidal Quantum Dot Films for Optical Amplification: The Role of Modal Confinement and Heat Dissipation.
Weon-kyu Koh, Jaesoong Lee, Kyung-Sang Cho, Young-Geun Roh
2017ChemPhysChem0 citations
Semantic Scholar
Inside front cover.
Weon-kyu Koh, Dongho Kim, Jiwon Kim
2016Nanoscale0 citations
Semantic Scholar
Back Cover: TCNQ Interlayers for Colloidal Quantum Dot Light-Emitting Diodes (ChemPhysChem 8/2016)
Weon-kyu Koh, T. Shin, Changhoon Jung, Dr-Kyung-Sang Cho
20160 citations
Semantic Scholar
Single Molecule Approaches for Two Dimensional Nanostructures
Thomas A. Baker, Sha-Sha Guo, Weon-kyu Koh, Nikolay S. Makarov +3 more
20140 citations
Semantic Scholar
Ultrafast spectroscopy helps optimize third-generation quantum dot solar cells
Nikolay S. Makarov, Qianglu Lin, Hunter McDaniel, K. Velizhanin +8 more
20140 citations
Semantic Scholar
Ultrafast optical properties of PbSe Nano-rods: One dimensional excitons
Eli Kinigstein, Shu-Wei Huang, M. Sfeir, Weon-kyu Koh +3 more
2014Conference on Lasers and Electro-Optics0 citations
Semantic Scholar
Ultrafast Optical Studies of Carrier Relaxation Dynamics in PbSe Nanoplatelets
A. F. Fidler, Weon-kyu Koh, C. Cirloganu, Nikolay S. Makarov +2 more
20140 citations
Semantic Scholar
In situ studies of transient photoconductivity in PbSe quantum dot solar cells
Jianbo Gao, Weon-kyu Koh, Nikolay S. Makarov, J. Pietryga +1 more
20140 citations
Semantic Scholar
Understanding Molecular Chemistry of Nanocrystals and Nanostructures: Precursor, Ligand, and Surface Chemistry
Weon-kyu Koh
20110 citations
Semantic Scholar
Broadband ultrafast transient absorption of multiple exciton dynamics in lead sulfide nanocrystals
F. Gesuele, Chee-Wei Wong, M. Sfeir, J. Misewich +2 more
20110 citations
Semantic Scholar
Electronic Structure of PbSe Nanorods
A. Bartnik, A. Efros, Weon-kyu Koh, J. Yang +2 more
20110 citations
Semantic Scholar
Morphology and transport properties of self-assembled, ligand-exchanged PbSe nanocrystal arrays
Ching-Tzu Chen, Weon-kyu Koh, C. Murray, C. Tsuei
20090 citations
Semantic Scholar
Toward complex nanostructures: lead chalcogenide nanoparticles, nanowires, and more
Weon-kyu Koh, David K. Kim, C. Kagan, C. Murray
20090 citations
Semantic Scholar

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