Nanoarchitecture of Titania Designed for Ruthenium Dye-Sensitized Photoelectrochemical Cells

Nanoarchitecture of Titania Designed for Ruthenium Dye-Sensitized Photoelectrochemical Cells

A nanoarchitecture of metal oxide designed by a CVD technique operated under atmospheric pressure is proposed. As one of the advantages of the nanoarchitecture is its relatively large surface area, the catalyst is thought to be one of good applications. A photoelectrochemical cell utilizing dye-sens...

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Veröffentlicht in:Japanese Journal of Applied Physics 2002-11, Vol.41 (Part 2, No. 11A), p.L1250-L1252
Hauptverfasser: Saitoh, Hidetoshi, Takayama, Kouichi, Sugata, Hironori, Ohshio, Shigeo, Takada, Hokuto, Yamazaki, Yoshihisa, Yamaguchi, Yasuhiro, Ono, Yoshiyuki
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container_end_page L1252
container_issue Part 2, No. 11A
container_start_page L1250
container_title Japanese Journal of Applied Physics
container_volume 41
creator Saitoh, Hidetoshi
Takayama, Kouichi
Sugata, Hironori
Ohshio, Shigeo
Takada, Hokuto
Yamazaki, Yoshihisa
Yamaguchi, Yasuhiro
Ono, Yoshiyuki
description A nanoarchitecture of metal oxide designed by a CVD technique operated under atmospheric pressure is proposed. As one of the advantages of the nanoarchitecture is its relatively large surface area, the catalyst is thought to be one of good applications. A photoelectrochemical cell utilizing dye-sensitized anatase was assembled to confirm application of nanoarchitechture. The anatase polycrystalline film, 4-8 mu m in thickness, is composed of columnar structures constructed by crystalline particles, several being approximately 100 nm in size. The photosensitizer, Ru(4,4'-dicarboxy-2,2'-bipyridine)2(NCS)2 (Ru(dcbpy)2(NCS)2), adheres to the anatase surface firmly, followed by the assembly of the photoelectrochemical cell. A sunlight-to-electrical energy conversion efficiency of 3.96% was observed. 13 refs.
doi_str_mv 10.1143/JJAP.41.L1250
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title Nanoarchitecture of Titania Designed for Ruthenium Dye-Sensitized Photoelectrochemical Cells
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