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Citation: HAO Yan-Zhong, CAI Chun-Li. A Photoelectrochemical Study of the Nanostructured TiO₂ /P3HT Film Electrode[J]. Acta Physico-Chimica Sinica, ;2005, 21(12): 1395-1398. doi: 10.3866/PKU.WHXB20051213 shu

A Photoelectrochemical Study of the Nanostructured TiO₂ /P3HT Film Electrode

1.
College of Science;2College of Chemical & Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang 050018

Received Date: 17 May 2005
Available Online: 15 December 2005

The photon-current conversion properties of ITO/poly(3-hexylthiophene) (ITO/P3HT) and nanostructured TiO2/P3HT film electrode were studied by using the photocurrent action spectra, the photocurrent dependence of potential and UV-Vis absorption spectra. The bandgap of P3HT film is 1.89 eV. The diagram of energy level of P3HT film was determined with cyclic voltammetry and photoelectrochemical method. The conduction band of P3HT film is －5.4 eV. The nanostructured TiO2/P3HT electrode can enlarge the visible optical absorption region and obviously increase the photocurrent in visible region. The p-n heterojunction exists in the TiO2/P3HT nanostructured electrode which favors the separation of electron/hole pairs. Thus, the photon-electron conversion efficiency could be improved.
- Nanostructured TiO2/P3HT electrode;Photoelectrochemistry;Poly(3-hexylthiophene)
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沈阳化工大学材料科学与工程学院沈阳 110142

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A Photoelectrochemical Study of the Nanostructured TiO2 /P3HT Film Electrode

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通讯作者: 陈斌, bchen63@163.com

A Photoelectrochemical Study of the Nanostructured TiO₂ /P3HT Film Electrode