"Jeehwan Kim,Homare Hiroi,Teodor K. Todorov,Oki Gunanwan,Masaru Kuwahara,Tayfun Gokmen,Dhruv Nair,Marinus Hopstaken,Byungha Shin,Hiroki Sugimoto,David B. Mitzi","High Efficiency Cu2ZnSn(S,Se)4 Solar Cells by Applying a Double In2S3/CdS Emitter",,"ADVANCED MATERIALS",,"Volume 26",,"Page 7427-7431",2014,Nov.
"Homare Hiroi,Jeehwan Kim,Oki Gunawan,Tayfun Gokmen,Masaru Kuwahara,Teodor K. Todorov,Dhruv Nair,Marinus Hopstaken,Yu Zhu,David B. Mitzi,Hiroki Sugimoto","Enhancement of Carrier Collection in Cu2ZnSn(SeS)4 Solar Cell With Hybrid Buffer Layer","29th European Photovoltaic Solar Energy Conference and Exhibition, Sep. 2014.",,"WIP",,,,2014,Sept.
"Homare Hiroi,Jeehwan Kim,Masaru Kuwahara,Teodor K. Todorov,Dhruv Nair,Marinus Hopstaken,Yu Zhu,Oki Gunawan,David B. Mitzi,Hiroki Sugimoto","Over 12% efficiency Cu2ZnSn(SeS)4 solar cell via hybrid buffer layer","40th IEEE Photovoltaic Specialist Conference (PVSC), Jun. 2014.",,"IEEE",,,,2014,June
"Richard Haight,D. Aaron R. Barkhouse,Wei Wang,Yu Luo,Xiaoyan Shao,David B. Mitzi,Homare Hiroi,Hiroki Sugimoto","CdS and Cd-Free Buffer Layers on Solution Phase Grown Cu2ZnSn(SxSe1- x)4 :Band Alignments and Electronic Structure Determined with Femtosecond Ultraviolet Photoelectron Spectroscopy","2013 MRS Fall Meeting","MRS Proceedings","Materials Reseaech Society","Volume 1638",,,2014,Jan.