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Electrophoretic deposition of nanocrystalline TiO2 films on Ti substrates for use in flexible dye-sensitized solar cells
Tan, Weiwei1,2; Yin, Xiong1,2; Zhou, Xiamen1; Zhang, Jingbo1; Xiao, Xurui1; Lin, Yuan1
2009-07-30
Source PublicationELECTROCHIMICA ACTA
ISSN0013-4686
Volume54Issue:19Pages:4467-4472
AbstractNanocrystalline TiO2 films were prepared on flexible Ti-metal sheets by electrophoretic deposition followed by chemical treatment with tetra-n-butyl titanate (TBT) and sintering at 450 degrees C. X-ray diffraction (XRD) analysis indicates that TBT treatment led to the formation of additional anatase TiO2, which plays an important role in improving the interconnection between TiO2 particles. as well as the adherence of the film to the substrate, and in modifying the surface properties of the nanocrystalline particles. The effect of TBT treatment on the electron transport in the nanocrystalline films was studied by intensity-modulated photocurrent spectroscopy (IMPS). An increase in the conversion efficiency was obtained for the dye-sensitized solar cells with TBT-treated nanocrystalline TiO2 films. The cell performance was further optimized by designing nanocrystalline TiO2 films with a double-layer structure composed of a light-scattering layer and a transparent layer. The light-scattering effect of the double-layer nanocrystalline films was evaluated by diffuse reflectance spectra. Employing the double-layer nanocrystalline films as the photoelectrodes resulted in a significant improvement in the incident photo-to-current conversion efficiency of the corresponding cells due to enhanced solar absorption by light scattering. A high conversion efficiency of 6.33% was measured under illumination with 100 mW cm(-2) (AM 1.5) simulated sunlight. (C) 2009 Elsevier Ltd. All rights reserved.
KeywordTi Substrate Tio2 Film Tbt Treatment Light-scattering Layer Flexible
DOI10.1016/j.electacta.2009.03.037
Indexed BySCI
Language英语
WOS IDWOS:000267114900005
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:77[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/67176
Collection中国科学院化学研究所
Corresponding AuthorLin, Yuan
Affiliation1.Chinese Acad Sci, Beijing Natl Lab Mol Sci, Key Lab Photochem, Inst Chem, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Tan, Weiwei,Yin, Xiong,Zhou, Xiamen,et al. Electrophoretic deposition of nanocrystalline TiO2 films on Ti substrates for use in flexible dye-sensitized solar cells[J]. ELECTROCHIMICA ACTA,2009,54(19):4467-4472.
APA Tan, Weiwei,Yin, Xiong,Zhou, Xiamen,Zhang, Jingbo,Xiao, Xurui,&Lin, Yuan.(2009).Electrophoretic deposition of nanocrystalline TiO2 films on Ti substrates for use in flexible dye-sensitized solar cells.ELECTROCHIMICA ACTA,54(19),4467-4472.
MLA Tan, Weiwei,et al."Electrophoretic deposition of nanocrystalline TiO2 films on Ti substrates for use in flexible dye-sensitized solar cells".ELECTROCHIMICA ACTA 54.19(2009):4467-4472.
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