Presentation 2005/10/7
Hydrogen generation by photoelectrolysis using nitride semiconductors
Katsushi FUJII, Masato ONO, Takashi ITO, Yasuhiro IWAKI, Kazuhiro OHKAWA,
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Abstract(in English) The photoelectrochemical characteristics of nitride semiconductors were investigated. The resistivity of the nitrides should be low in order to achieve good carrier transportation. The photocurrent for the n- and p-type GaN increased with the FWHM of (0002) X-ray rocking curve decreasing. For In_xGa_<1-x>N case, the absorption of continuous-wave light like sun-light increases with In composition, however, the conduction band-edge potential shifted to the plus direction with In composition increasing. Therefore, the optimum In composition depending on the applied bias exists when In_xGa_<1-x>N is used for the photoelectrolysis.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Nitride photocatalyst / GaN / In_xGa_<1-x>N / Photoelectrochemistry / Photoelectrolysis of water / H_2 evolution
Paper # ED2005-149,CPM2005-136,LQE005-76
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Conference Information
Committee LQE
Conference Date 2005/10/7(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Hydrogen generation by photoelectrolysis using nitride semiconductors
Sub Title (in English)
Keyword(1) Nitride photocatalyst
Keyword(2) GaN
Keyword(3) In_xGa_<1-x>N
Keyword(4) Photoelectrochemistry
Keyword(5) Photoelectrolysis of water
Keyword(6) H_2 evolution
1st Author's Name Katsushi FUJII
1st Author's Affiliation Nakamura Inhomogeneous Crystal Project, Japan Science and Technology Agency (JST)()
2nd Author's Name Masato ONO
2nd Author's Affiliation Dept. of Applied Physics, Tokyo University of Science
3rd Author's Name Takashi ITO
3rd Author's Affiliation Dept. of Applied Physics, Tokyo University of Science
4th Author's Name Yasuhiro IWAKI
4th Author's Affiliation Dept. of Applied Physics, Tokyo University of Science
5th Author's Name Kazuhiro OHKAWA
5th Author's Affiliation Nakamura Inhomogeneous Crystal Project, Japan Science and Technology Agency (JST):Dept. of Applied Physics, Tokyo University of Science
Date 2005/10/7
Paper # ED2005-149,CPM2005-136,LQE005-76
Volume (vol) vol.105
Number (no) 330
Page pp.pp.-
#Pages 6
Date of Issue