Takeshi Yagioka

New world record Cu(In, Ga)(Se, S)<inf>2</inf> thin film solar cell efficiency beyond 22%

Rui Kamada, Takeshi Yagioka, Shunsuke Adachi et al. · 2016 · 193 citations

Sub Xmlns, Engineering, Energy Efficiency +18

Enhanced Efficiency of Cd-Free Cu(In,Ga)(Se,S)2 Minimodule Via (Zn,Mg)O Second Buffer Layer and Alkali Metal Post-Treatment

Takuya Kato, Atsushi Handa, Takeshi Yagioka et al. · IEEE Journal of Photovoltaics · 2017 · 111 citations

Engineering, Minimodule Via, New Record Efficiencies +25

From 20.9 to 22.3% Cu(In,Ga)(S,Se)₂solar cell: Reduced recombination rate at the heterojunction and the depletion region due to K-treatment

Kong Fai Tai, Rui Kamada, Takeshi Yagioka et al. · Japanese Journal of Applied Physics · 2017 · 86 citations

Engineering, Depletion Region, Photo-electrochemical Cell +17

Cd-Free Flexible Cu(In,Ga)Se₂Thin Film Solar Cells with ZnS(O,OH) Buffer Layers on Ti Foils

Takeshi Yagioka, Tokio Nakada · Applied Physics Express · 2009 · 70 citations

Thin Film Physics, Engineering, Buffer Layers +22

Achievement of over 17% efficiency with 30×30cm<sup>2</sup>-sized Cu(InGa)(SeS)<inf>2</inf> submodules

H. Sugimoto, Takeshi Yagioka, M. Nagahashi et al. · 2011 · 21 citations

Sub Xmlns, Engineering, Mass Production +16