Photosensitization of TiO2 nanoparticulate thin film electrodes by CdS   nanoparticles

doi:10.1007/s100080000179

CORC > 北京大学 > 化学与分子工程学院

	Photosensitization of TiO2 nanoparticulate thin film electrodes by CdS nanoparticles
	Qian, XM ; Qin, DQ ; Bai, YB ; Li, TJ ; Tang, XY ; Wang, EK ; Dong, SJ
刊名	journal of solid state electrochemistry
	2001
关键词	surface photovoltage spectra photoelectrochemistry photosensitization TiO2 and CdS nanoparticles thin film CHARGE-TRANSFER PROCESSES PHOTOELECTROCHEMICAL PROPERTIES SOLAR-CELLS CONVERSION EFFICIENCIES POLYCRYSTALLINE TIO2 SEMICONDUCTOR-FILMS CARRIER TRANSPORT SYSTEMS DYE PHOTOCATALYSIS
DOI	10.1007/s100080000179
英文摘要	Surface photovoltage spectra (SPS) measurements of TiO2 show that a large surface state density is present on the TiO2 nanoparticles and these surface states can be efficiently decreased by sensitization using US nanoparticles as well as by suitable heat treatment. The photoelectrochemical behavior of the bare TiO2 thin film indicates that the mechanism of photoelectron transport is controlled by the trapping/detrapping properties of surface states within the thin films, The slow photocurrent response upon the illumination can be explained by the trap saturation effect. For a TiO2 nanoparticulate thin film sensitized using US nanoparticles, the slow photocurrent response disappears and the steady-state photocurrent increases drastically, which suggests that photosensitization can decrease the effect of surface states on photocurrent response.; http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000171816300018&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=8e1609b174ce4e31116a60747a720701 ; Electrochemistry; SCI(E); 18; ARTICLE; 7-8; 562-567; 5
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/211381]
专题	化学与分子工程学院
推荐引用方式 GB/T 7714	Qian, XM,Qin, DQ,Bai, YB,et al. Photosensitization of TiO2 nanoparticulate thin film electrodes by CdS nanoparticles[J]. journal of solid state electrochemistry,2001.
APA	Qian, XM.,Qin, DQ.,Bai, YB.,Li, TJ.,Tang, XY.,...&Dong, SJ.(2001).Photosensitization of TiO2 nanoparticulate thin film electrodes by CdS nanoparticles.journal of solid state electrochemistry.
MLA	Qian, XM,et al."Photosensitization of TiO2 nanoparticulate thin film electrodes by CdS nanoparticles".journal of solid state electrochemistry (2001).