Joshua J. Choi
Joshua J. Choi
Associate Professor of Chemical Engineering, University of Virginia
Verified email at - Homepage
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Ligand Exchange and the Stoichiometry of Metal Chalcogenide Nanocrystals: Spectroscopic Observation of Facile Metal-Carboxylate Displacement and Binding
NC Anderson, MP Hendricks, JJ Choi, JS Owen
Journal of the American Chemical Society, 2013
Bright infrared quantum-dot light-emitting diodes through inter-dot spacing control
L Sun, JJ Choi, D Stachnik, AC Bartnik, BR Hyun, GG Malliaras, T Hanrath, ...
Nature Nanotechnology 7 (6), 369-373, 2012
PbSe nanocrystal excitonic solar cells
JJ Choi, YF Lim, MEB Santiago-Berrios, M Oh, BR Hyun, L Sun, ...
Nano letters 9 (11), 3749-3755, 2009
Origin of vertical orientation in two-dimensional metal halide perovskites and its effect on photovoltaic performance
AZ Chen, M Shiu, JH Ma, MR Alpert, D Zhang, BJ Foley, DM Smilgies, ...
Nature communications 9 (1), 1336, 2018
Structure of methylammonium lead iodide within mesoporous titanium dioxide: active material in high-performance perovskite solar cells
JJ Choi, X Yang, ZM Norman, SJL Billinge, JS Owen
Nano letters 14 (1), 127-133, 2014
SnSe nanocrystals: synthesis, structure, optical properties, and surface chemistry
WJ Baumgardner, JJ Choi, YF Lim, T Hanrath
Journal of the American Chemical Society 132 (28), 9519-9521, 2010
Predicting nanocrystal shape through consideration of surface-ligand interactions
CR Bealing, WJ Baumgardner, JJ Choi, T Hanrath, RG Hennig
ACS nano 6 (3), 2118-2127, 2012
Rotational dynamics of organic cations in the CH 3 NH 3 PbI 3 perovskite
T Chen, BJ Foley, B Ipek, M Tyagi, JRD Copley, CM Brown, JJ Choi, ...
Physical Chemistry Chemical Physics 17 (46), 31278-31286, 2015
Controlling nanocrystal superlattice symmetry and shape-anisotropic interactions through variable ligand surface coverage
JJ Choi, CR Bealing, K Bian, KJ Hughes, W Zhang, DM Smilgies, ...
Journal of the American Chemical Society 133 (9), 3131-3138, 2011
Photogenerated exciton dissociation in highly coupled lead salt nanocrystal assemblies
JJ Choi, J Luria, BR Hyun, AC Bartnik, L Sun, YF Lim, JA Marohn, ...
Nano letters 10 (5), 1805-1811, 2010
Entropy-driven structural transition and kinetic trapping in formamidinium lead iodide perovskite
T Chen, BJ Foley, C Park, CM Brown, LW Harriger, J Lee, J Ruff, M Yoon, ...
Science Advances 2 (10), e1601650, 2016
Shape-anisotropy driven symmetry transformations in nanocrystal superlattice polymorphs
K Bian, JJ Choi, A Kaushik, P Clancy, DM Smilgies, T Hanrath
ACS nano 5 (4), 2815-2823, 2011
Temperature dependent energy levels of methylammonium lead iodide perovskite
BJ Foley, DL Marlowe, K Sun, WA Saidi, L Scudiero, MC Gupta, JJ Choi
Applied physics letters 106 (24), 2015
Origin of long lifetime of band-edge charge carriers in organic–inorganic lead iodide perovskites
T Chen, WL Chen, BJ Foley, J Lee, JPC Ruff, JYP Ko, CM Brown, ...
Proceedings of the National Academy of Sciences 114 (29), 7519-7524, 2017
Solution‐processed nanocrystal quantum dot tandem solar cells
JJ Choi, WN Wenger, RS Hoffman, YF Lim, J Luria, J Jasieniak, ...
Advanced Materials 28 (23), 3144-3148, 2011
Controlling nucleation, growth, and orientation of metal halide perovskite thin films with rationally selected additives
BJ Foley, J Girard, BA Sorenson, AZ Chen, JS Niezgoda, MR Alpert, ...
Journal of Materials Chemistry A 5 (1), 113-123, 2017
Improved Charge Collection in Highly Efficient CsPbBrI2 Solar Cells with Light-Induced Dealloying
JS Niezgoda, BJ Foley, AZ Chen, JJ Choi
ACS Energy Letters 2 (5), 1043-1049, 2017
Understanding the formation of vertical orientation in two-dimensional metal halide perovskite thin films
AZ Chen, M Shiu, X Deng, M Mahmoud, D Zhang, BJ Foley, SH Lee, ...
Chemistry of Materials 31 (4), 1336-1343, 2019
Structure/processing relationships of highly ordered lead salt nanocrystal superlattices
T Hanrath, JJ Choi, DM Smilgies
ACS nano 3 (10), 2975-2988, 2009
Role of solvent dielectric properties on charge transfer from PbS nanocrystals to molecules
BR Hyun, AC Bartnik, JK Lee, H Imoto, L Sun, JJ Choi, Y Chujo, T Hanrath, ...
Nano letters 10 (1), 318-323, 2010
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