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Citation: DING Ke-Qiang, JIA Zhen-Bin, WANG Qing-Fei, CAO Jiang-Lin, TIAN Na, TONG Ru-Ting, WANG Xin-Kui. The Sensitization of Self-assembled Monolayer Formed by Octadecanethiol for TiO₂ Nanoporous Film Electrode in CH₃OH Photo-electro-oxidation[J]. Chinese Journal of Applied Chemistry, ;2002, 19(1): 91-93. shu

The Sensitization of Self-assembled Monolayer Formed by Octadecanethiol for TiO₂ Nanoporous Film Electrode in CH₃OH Photo-electro-oxidation

1.
a Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan;
2.
b Department of Chemistry, Hebei Teacher's University, Shijiazhuang 050016

Corresponding author: DING Ke-Qiang,
Received Date: 23 April 2001
Available Online: 30 August 2001
Fund Project: 河北省自然科学基金(298159) (298159)

The photocurrent created by the TiO₂ nanoporous film electrode modified by octadecanethiol(18SH) self-assembled monolayer(SAM) was found to be 1 95 times greater than that without modification as shown by cyclic voltammetry(CV). Meanwhile the maximum adsorbed peak has extended to the infrared range for about 20 nm. The formation of SAM was also assured with CV and small amplitude isosceles triangle potential methods, where the sensitization of SAM on the oxidation of CH₃OH on the TiO₂ nanoporous film electrode could be observed clearly. The results elucidated that the increased photocurrent by modification of octadecanethiol could not be simply attributed to the oxidation of octadecanethiol or ethanol. The results also implied that the application of SAM would be practicable in the sensitization of TiO₂ nanoporous film electrode in solar cell area.
- alkanethiol self-assembled monolayer,
- TiO₂ nanoporous film electrode,
- methanol oxidation
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The Sensitization of Self-assembled Monolayer Formed by Octadecanethiol for TiO2 Nanoporous Film Electrode in CH3OH Photo-electro-oxidation

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通讯作者: 陈斌, bchen63@163.com

The Sensitization of Self-assembled Monolayer Formed by Octadecanethiol for TiO₂ Nanoporous Film Electrode in CH₃OH Photo-electro-oxidation