Toshihiko Toyama - Publications, H-index & Citations

Effects of ZnS:Mn/AlN multilayer structure on luminescent properties of nanostructured thin-film EL device

IF6.9

2007-10-01

PREAI

Toyama, Toshihiko; Ichihara, Tokuyuki; Yamaguchi, Daisuke; Okamoto, Hiroaki

15% efficiency CdS/CdTe thin film solar cells using CdS layers doped with metal organic compounds

IF6.9

2007-10-01

PREAI

Adachi, Daisuke; Takei, Kohei; Toyama, Toshihiko; Okamoto, Hiroaki

SOLAR ENERGY MATERIALS AND SOLAR CELLS

IF6.3

2006-11-01

PREAI

Matsune, Kengo; Oda, Hiroyuki; Toyama, Toshihiko; Okamoto, Hiroaki; Kudriavysevand, Yuriy; Asomoza, Rene

Structural and electrical studies of plasma-deposited polycrystalline silicon thin-films for photovoltaic application

SOLAR ENERGY

IF6.6

2006-06-01

PREAI

Toyama, Toshihiko; Okamoto, Hiroaki

An extended model for the mobility edge carrier transport

Microstructural dependence of electron and hole transport in low-temperature-grown polycrystalline-silicon thin-film solar cells

IF3.5

2004-06-01

PREAI

Okamoto, H; Toyama, T; Hattori, K

Universal frequency-dependent electronic conductivity near the mobility edge

IF3.6

2002-12-16

PREAI

Matsui, T; Muhida, R; Kawamura, T; Toyama, T; Okamoto, H; Yamazaki, T; Honda, S; Takakura, H; Hamakawa, Y

Influence of substrate texture on microstructure and photovoltaic performances of thin film polycrystalline silicon solar cells

IF3.5

2002-04-01

PREAI

Okamoto, H; Toyama, T; Hattori, K

Thin-film electroluminescence device utilizing ZnS:Mn nanocrystals as emission layer

IF3.5

2002-04-01

PREAI

Matsui, T; Tsukiji, M; Saika, H; Toyama, T; Okamoto, H

Optical transitions in silicon nanocrystals near structural transition region to amorphous silicon

IF3.5

2002-04-01

PREAI

Toyama, T; Adachi, D; Fujii, M; Nakano, Y; Okamoto, H

Reduction of infrared response of CdS/CdTe thin-film solar cell with decreased thickness of photovoltaic active layer

IF3.5

2002-04-01

PREAI

Toyama, T; Nakai, Y; Asano, A; Okamoto, H

SOLAR ENERGY MATERIALS AND SOLAR CELLS

IF6.3

2001-03-01

PREAI

Toyama, T; Suzuki, T; Gotoh, M; Nakamura, K; Okamoto, H

Structural and luminescence properties of nanostructured ZnS:Mn

Fundamental gap of luminescent nanocrystalline silicon thin film

IF3.6

2000-08-28

PREAI

Adachi, D; Hasui, S; Toyama, T; Okamoto, H

Direct transition at the fundamental gap in light-emitting nanocrystalline Si thin films

IF3.5

2000-05-01

PREAI

Toyama, T; Kotani, Y; Shimode, A; Okamoto, H

High electric field electroluminescence in hydrogenated amorphous silicon carbide alloys

IF3.6

1999-05-31

PREAI

Toyama, T; Kotani, Y; Shimode, A; Okamoto, H

Optical and structural studies of nanocrystalline silicon thin film grown by rapid thermal annealing

IF6.9

1997-04-01

PREAI

Toyama, T; Matsui, T; Okamoto, H; Hamakawa, Y

Visible photo- and electroluminescence from electrochemically formed nanocrystalline Si thin film

IF6.9

1997-04-01

PREAI

Toyama, T; Ouchida, T; Okamoto, H; Hamakawa, Y