Improvement in the photoelectrochemical responses of PCBM/TiO2 electrode by electron irradiation

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The photoelectrochemical (PEC) responses of electron-irradiated [6,6]-phenyl-C61-butyric acid methyl ester (PCBM)/TiO2 electrodes were evaluated in a PEC cell. By coating PCBM on TiO2 nanoparticle film, the light absorption of PCBM/TiO2 electrode has expanded to the visible light region and improved the PEC responses compared to bare TiO2 electrode. The PEC responses were further improved by irradiating an electron beam on PCBM/TiO2 electrodes. Compared to non-irradiated PCBM/TiO2 electrodes, electron irradiation increased the photocurrent density and the open-circuit potential of PEC cells by approximately 90% and approximately 36%, respectively at an optimum electron irradiation condition. The PEC responses are carefully evaluated correlating with the optical and electronic properties of electron-irradiated PCBM/TiO2 electrodes.
Publisher
SPRINGER
Issue Date
2012-02
Language
English
Article Type
Article
Keywords

SENSITIZED SOLAR-CELLS; TIO2 NANOTUBE-ARRAYS; PHOTOCATALYTIC ACTIVITY; PHOTOELECTROCHEMICAL CELLS; CONVERSION EFFICIENCY; ENHANCEMENT; COMPOSITE; FILMS; WATER; C-60

Citation

NANOSCALE RESEARCH LETTERS, v.7, pp.1 - 6

ISSN
1931-7573
DOI
10.1186/1556-276X-7-142
URI
http://hdl.handle.net/10203/101209
Appears in Collection
NE-Journal Papers(저널논문)
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