Mutsumi Sugiyama

Effect of potassium fluoride post-deposition treatment on Cu(In,Ga)Se2 thin films and solar cells fabricated onto sodalime glass substrates

Ishwor Khatri, Hirofumi Fukai, Hiroshi Yamaguchi et al. · Solar Energy Materials and Solar Cells · 2016 · 99 citations

Materials Science, Engineering, Surface Science +8

Localized exciton dynamics in strained cubic In0.1Ga0.9N/GaN multiple quantum wells

Shigefusa F. Chichibu, Mutsumi Sugiyama, Takeyoshi Onuma et al. · Applied Physics Letters · 2001 · 89 citations

Wide-bandgap Semiconductor, Engineering, Exciton Dynamics +16

Alkali-induced grain boundary reconstruction on Cu(In,Ga)Se2 thin film solar cells using cesium fluoride post deposition treatment

Tzu‐Ying Lin, Ishwor Khatri, Junpei Matsuura et al. · Nano Energy · 2019 · 84 citations · Full text

Materials Science, Semiconductors, Ii-vi Semiconductor +14

Experimental determination of band offsets of NiO-based thin film heterojunctions

Daisuke Kawade, Shigefusa F. Chichibu, Mutsumi Sugiyama · Journal of Applied Physics · 2014 · 81 citations

Engineering, P-type Nio, Photo-electrochemical Cell +17

Optical and structural studies in InGaN quantum well structure laser diodes

Shigefusa F. Chichibu, T. Azuhata, Mutsumi Sugiyama et al. · Journal of Vacuum Science & Technology B Microelectronics and Nanometer Structures Processing Measurement and Phenomena · 2001 · 76 citations

Photonics, Electrical Engineering, Optical Materials +13