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Effect of Pt distribution in TiO2 films on the photoelectrochemical Behaviors
Wang Yan-Ming; Li Xin-Jun; Zheng Shao-Jian
2007-07-01
Source PublicationJOURNAL OF INORGANIC MATERIALS
Volume22Issue:4Pages:729-732
AbstractTiO2 films with Pt distributing in bottom layer(PT) or uniformly(PP) were prepared by a sol-gel method through alternate dip-coating process. The photoelectrochemical behaviors of the films were measured by a three-electrode system, and the dye-sensitized solar cells (DSSC) with these films as anodes were assembled to investigate the photoelectric conversion capacities. The results show that the photocurrent of PT film is higher than that of TT and more enlarged by ethanol addition into the electrolyte as the holes' capture agent. The above phenomena can be explained based on the separation of photogenerated carriers and photoholes' accumulation in the surface layer. Due to photoholes' accumulating in the surface, the excited electrons can transfer to TiO2 film more easily. The short-circuit I-sc and the open-potential V-oc are increased obviously.
SubtypeArticle
KeywordTio2 Film Pt Distribution Carrier Separation
WOS HeadingsScience & Technology ; Technology
WOS Subject ExtendedMaterials Science
WOS KeywordEFFICIENCY
Indexed BySCI
Language英语
WOS SubjectMaterials Science, Ceramics
WOS IDWOS:000248928700032
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10286
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
2.Grad Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Wang Yan-Ming,Li Xin-Jun,Zheng Shao-Jian. Effect of Pt distribution in TiO2 films on the photoelectrochemical Behaviors[J]. JOURNAL OF INORGANIC MATERIALS,2007,22(4):729-732.
APA Wang Yan-Ming,Li Xin-Jun,&Zheng Shao-Jian.(2007).Effect of Pt distribution in TiO2 films on the photoelectrochemical Behaviors.JOURNAL OF INORGANIC MATERIALS,22(4),729-732.
MLA Wang Yan-Ming,et al."Effect of Pt distribution in TiO2 films on the photoelectrochemical Behaviors".JOURNAL OF INORGANIC MATERIALS 22.4(2007):729-732.
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