Hiroshi Umishio

Evaluation of a Novel Boron-Containing α-d-Mannopyranoside for BNCT

Takao Tsurubuchi, Makoto Shirakawa, W. Kurosawa et al. · Cells · 2020 · 56 citations · Full text

Medicine, Oncology, Pharmacokinetics +16

Nanocrystalline‐silicon hole contact layers enabling efficiency improvement of silicon heterojunction solar cells: Impact of nanostructure evolution on solar cell performance

Hiroshi Umishio, Hitoshi Sai, Takashi Koida et al. · Progress in Photovoltaics Research and Applications · 2020 · 42 citations

Engineering, Materials Engineering, Materials Science +17

Very Thin (56 μm) Silicon Heterojunction Solar Cells with an Efficiency of 23.3% and an Open‐Circuit Voltage of 754 mV

Hitoshi Sai, Hiroshi Umishio, Takuya Matsui · Solar RRL · 2021 · 41 citations

Engineering, Materials Engineering, Materials Science +17

Impact of silicon wafer thickness on photovoltaic performance of crystalline silicon heterojunction solar cells

Hitoshi Sai, Hiroshi Umishio, Takuya Matsui et al. · Japanese Journal of Applied Physics · 2018 · 37 citations

Engineering, Materials Engineering, Materials Science +17

Roles of hydrogen atoms in p-type Poly-Si/SiO <i>x</i> passivation layer for crystalline silicon solar cell applications

Mickaël Lozac’h, Shota Nunomura, Hiroshi Umishio et al. · Japanese Journal of Applied Physics · 2019 · 12 citations

Natural Sciences, Materials Engineering, Materials Science +17