Investigation of Inhomogeneous Dye-adsorption in Porous TiO2 Films by Intensity Modulated Photocurrent Spectroscopy

Chem. J. Chinese Universities

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Investigation of Inhomogeneous Dye-adsorption in Porous TiO₂ Films by Intensity Modulated Photocurrent Spectroscopy

LIU Wei-Qing¹, DAI Song-Yuan¹*, HU Lin-Hua¹, DAI Jun¹, FANG Xia-Qin¹, XU Wei-Wei²

1. Division of Solar Energy Material and Engineering, Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China;
2. Jiangsu Provincial Key Lab of ASIC Design, Nantong University, Nantong 226007, China

Received:2007-09-03 Revised:1900-01-01 Online:2008-02-10 Published:2008-02-10
Contact: DAI Song-Yuan

Abstract

Abstract: The phenomena of inhomogeneous dye-adsorption in porous TiO₂ film was likely to exist in dye sensitized solar cells(DSC). Dye-adsorption behavior in two kinds of TiO₂ films with different microstructure and different adsorbing time was investigated by the Intensity Modulate Photocurrent Spectroscopy(IMPS). The influence of inhomogeneous dye-adsorption for IMPS response and the photovoltaic of DSC was discussed. The result shows that IMPS is a useful tool to detect inhomogeneous dye-adsorption occurred in some TiO₂ films. The phenomena of inhomogeneous dye-adsorption had notable influence on the photovoltaic of DSC.

Key words: Intensity Modulate Photocurrent Spectroscopy(IMPS), Dye-sensitized, Solar cell, Dye-adsorption

CLC Number:

O649.4

TrendMD:

LIU Wei-Qing¹, DAI Song-Yuan¹*, HU Lin-Hua¹, DAI Jun¹, FANG Xia-Qin¹, XU Wei-Wei². Investigation of Inhomogeneous Dye-adsorption in Porous TiO₂ Films by Intensity Modulated Photocurrent Spectroscopy[J]. Chem. J. Chinese Universities, doi: .

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Investigation of Inhomogeneous Dye-adsorption in Porous TiO₂ Films by Intensity Modulated Photocurrent Spectroscopy

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