ICCAS OpenIR
Study of the kinetics of nanocrystalline semiconductor thin film electrode processes by intensity modulated photocurrent spectroscopy
Xiao, XR; Zhang, JB; Lin, Y; Yin, F; Li, XP
2001-10-01
Source PublicationACTA PHYSICO-CHIMICA SINICA
ISSN1000-6818
Volume17Issue:10Pages:918-923
AbstractPhotogenerated charge carriers transfer and transport kinetics of nanocrystalline semiconductor thin film electrodes were studied by Intensity Modulated Photocurrent Spectroscopy (IMPS). Measuring the applied potential and sodium polysulfide solution concentration dependence of IMPS response of nanocrystalline CdSe electrodes, the interfacial holes transfer including direct process and indirect process via surface states were analyzed in terms of the parameters: normalized steady state photocurrents and surface states lifetimes. The transport processes of electrons were examined by determining the electron diffusion coefficient of nanocrystalline TiO2 electrodes obtained at different intensities of background light. HCl chemical treatment led to the increase of electron transport coefficient effectively indicating the improvement of electrons transport behavior in the nanocrystalline TiO2 electrodes.
KeywordIntensity Modulated Photocurrent Spectroscopy Nanocrystalline Cdse Electrodes Nanocrystalline Tio2 Electrodes Interfacial Holes Transfer Electron Transport
DOI10.3866/PKU.WHXB20011011
Indexed BySCI
Language英语
WOS IDWOS:000171639800011
PublisherPEKING UNIV PRESS
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/76972
Collection中国科学院化学研究所
Corresponding AuthorXiao, XR
AffiliationChinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Xiao, XR,Zhang, JB,Lin, Y,et al. Study of the kinetics of nanocrystalline semiconductor thin film electrode processes by intensity modulated photocurrent spectroscopy[J]. ACTA PHYSICO-CHIMICA SINICA,2001,17(10):918-923.
APA Xiao, XR,Zhang, JB,Lin, Y,Yin, F,&Li, XP.(2001).Study of the kinetics of nanocrystalline semiconductor thin film electrode processes by intensity modulated photocurrent spectroscopy.ACTA PHYSICO-CHIMICA SINICA,17(10),918-923.
MLA Xiao, XR,et al."Study of the kinetics of nanocrystalline semiconductor thin film electrode processes by intensity modulated photocurrent spectroscopy".ACTA PHYSICO-CHIMICA SINICA 17.10(2001):918-923.
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