Gee Yeong Kim

发表

Interaction of oxygen with halide perovskites

Michael Grätzel, Rotraut Merkle, Joachim Maier, 2018 .

Composition variations in Cu2ZnSnSe4 thin films analyzed by X-ray diffraction, energy dispersive X-ray spectroscopy, particle induced X-ray emission, photoluminescence, and Raman spectroscopy

W. Jo, D. Nam, A. Opanasyuk, 2014 .

Thermochemical Stability of Hybrid Halide Perovskites

M. Grätzel, J. Maier, Gee Yeong Kim, 2019, ACS Energy Letters.

Slow CH3NH3+ Diffusion in CH3NH3PbI3 under Light Measured by Solid-State NMR and Tracer Diffusion

U. Starke, M. Grätzel, I. Moudrakovski, 2018, The Journal of Physical Chemistry C.

Effects of the compositional ratio distribution with sulfurization temperatures in the absorber layer on the defect and surface electrical characteristics of Cu2ZnSnS4 solar cells

W. Jo, D. Nam, Kee‐Jeong Yang, 2015 .

Photo‐Effect on Ion Transport in Mixed Cation and Halide Perovskites and Implications for Photo‐Demixing**

J. Maier, Davide Moia, Gee Yeong Kim, 2020, Angewandte Chemie.

Charge carrier chemistry in methylammonium lead iodide

M. Grätzel, J. Maier, Tae-Youl Yang, 2018, Solid State Ionics.

High photo-conversion efficiency Cu2ZnSn(S,Se)4 thin-film solar cells prepared by compound-precursors and metal-precursors

W. Jo, Kee‐Jeong Yang, Jin-Kyu Kang, 2018, Solar Energy Materials and Solar Cells.

Enhancement of photo‐conversion efficiency in Cu2ZnSn(S,Se)4 thin‐film solar cells by control of ZnS precursor‐layer thickness

C. Jeon, W. Jo, Jin-Kyu Kang, 2016 .

Raman scattering studies of Cu2ZnSnS4 thin films: Local distribution of the secondary phase Cu2−xS and the effect of KCN etching on Cu2−xS

Jin Young Kim, J. Y. Kim, W. Jo, 2015 .

Surface potential on grain boundaries and intragrains of highly efficient Cu2ZnSn(S,Se)4 thin-films grown by two-step sputtering process

W. Jo, Jin-Kyu Kang, Dae‐Hwan Kim, 2014 .

Enhancement of the photo conversion efficiencies in Cu(In,Ga)(Se,S)2 solar cells fabricated by two-step sulfurization process

W. Jo, J. Nam, Dongho Lee, 2015 .

Effects of Cu2-xS phase removal on surface potential of Cu2ZnSnS4 thin-films grown by electroplating

J. Y. Kim, W. Jo, T. Nguyễn, 2014 .

Sodium-assisted passivation of grain boundaries and defects in Cu2ZnSnSe4 thin films.

M. Seong, W. Jo, Seung-Yong Lee, 2020, Physical chemistry chemical physics : PCCP.

Influence of the ZnS precursor thickness on high efficiency Cu2ZnSn(S,Se)4 thin-film solar cells grown by stacked-sputtering and selenization process

C. Jeon, W. Jo, Jin-Kyu Kang, 2015, 2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC).

Optical and surface probe investigation of secondary phases in Cu2ZnSnS4 films grown by electrochemical deposition

J. Y. Kim, W. Jo, T. Nguyễn, 2015 .

Nanoscale observation of surface potential and carrier transport in Cu2ZnSn(S,Se)4 thin films grown by sputtering-based two-step process

W. Jo, Jin-Kyu Kang, Dae‐Hwan Kim, 2014, Nanoscale Research Letters.

Nanoscale investigation of surface potential distribution of Cu2ZnSn(S,Se)4 thin films grown with additional NaF layers

W. Jo, Jin-Kyu Kang, Juran Kim, 2014, Nano Convergence.

Effect of selenization on local current and surface potential of sputtered Cu2ZnSn(S, Se)4 thin-films with 8% conversion efficiency

W. Jo, S. Sung, D. Hwang, 2013, 2013 IEEE 39th Photovoltaic Specialists Conference (PVSC).

Optical and Scanning Probe Identification of Electronic Structure and Phases in CH3NH3PbBr3 Crystal

Shinuk Cho, I. Kim, W. Jo, 2017 .

Efficient Carrier Separation and Intriguing Switching of Bound Charges in Inorganic-Organic Lead Halide Solar Cells.

Dong Geon Lee, H. Jung, W. Jo, 2015, The journal of physical chemistry letters.

Effects of Postsynthesis Thermal Conditions on Methylammonium Lead Halide Perovskite: Band Bending at Grain Boundaries and Its Impacts on Solar Cell Performance

D. F. Ogletree, W. Jo, O. Gunawan, 2016 .

Nanostructured p-type CZTS thin films prepared by a facile solution process for 3D p-n junction solar cells.

W. Jo, S. Sung, D. Hwang, 2015, Nanoscale.

Enhanced Charge Transport via Mixed-Dimensional Heterostructures in 2D–3D Perovskites and Their Relevance to Solar Cells

W. Jo, Jihyun Kim, Gee Yeong Kim, 2022, ACS Applied Energy Materials.

Ionically Generated Built‐In Equilibrium Space Charge Zones—a Paradigm Change for Lead Halide Perovskite Interfaces

J. Maier, Davide Moia, Gee Yeong Kim, 2019, Advanced Functional Materials.

Understanding the Space-Charge Layer in SnO2 for Enhanced Electron Extraction in Hybrid Perovskite Solar Cells.

W. Jo, Jihyun Kim, Junhong Na, 2022, ACS applied materials & interfaces.

Composition variations in Cu 2 ZnSnSe 4 thin fi lms analyzed by X-ray diffraction , energy dispersive X-ray spectroscopy , particle induced X-ray emission , photoluminescence , and Raman spectroscopy

W. Jo, D. Nam, A. Opanasyuk, 2014 .

Optimal growth conditions for GdBa2Cu3O7 thin-film coated conductors characterized by polarized Raman scattering spectroscopy

W. Jo, S. Yoo, H. Cheong, 2010 .

Large tunable photoeffect on ion conduction in halide perovskites and implications for photodecomposition

M. Grätzel, J. Maier, Tae-Youl Yang, 2018, Nature Materials.

Ultra-large current transport in thick SmBa2Cu3O7−x films grown by reactive co-evaporation

Y. Jo, W. Jo, D. Ha, 2015 .

The Nature of Ion Conduction in Methylammonium Lead Iodide: A Multimethod Approach

M. Grätzel, I. Moudrakovski, J. Maier, 2017, Angewandte Chemie.

Photo‐Effect on Ion Transport in Mixed Cation and Halide Perovskites and Implications for Photo‐Demixing**

J. Maier, Davide Moia, Gee Yeong Kim, 2019, Angewandte Chemie.

Unravelling the Behavior of Dion–Jacobson Layered Hybrid Perovskites in Humid Environments

M. Grätzel, J. Maier, D. Kubicki, 2020, ACS Energy Letters.

Chemical tailoring of sodium content for optimization of interfacial band bending and alignment in flexible kesterite solar cells

W. Jo, Juran Kim, Yunae Cho, 2021 .

Influence of surface properties on the performance of Cu(In,Ga)(Se,S)2 thin-film solar cells using Kelvin probe force microscopy

W. Jo, J. Nam, Dongho Lee, 2015 .

Trapping charges at grain boundaries and degradation of CH3NH3Pb(I1−xBrx)3 perovskite solar cells

H. Jung, W. Jo, Gee Yeong Kim, 2017, Nanotechnology.

High photo‐conversion efficiency in double‐graded Cu(In,Ga)(S,Se)2 thin film solar cells with two‐step sulfurization post‐treatment

C. Jeon, W. Jo, J. Nam, 2017 .