ICCAS OpenIR
Photocatalytic mechanism studies of TiO2 particulate suspension by intensity-modulation photocurrent Spectroscopy
Yin, F; Lin, Y; Lin, RF; Xiao, XR
2002
Source PublicationACTA PHYSICO-CHIMICA SINICA
ISSN1000-6818
Volume18Issue:1Pages:21-25
AbstractThe mechanism of the photocatalytic processes of TiO2 particulate suspension was studied in a PEC cell by using Intensity-Modulated Photocurrent Spectroscopy (IMPS). Collecting the frequency dependent photocurrent response from the TiO2 particulate suspension under modulated irradiation on a Pt electrode, a complex plane of IMPS response was obtained. The upper and lower semicircles represent the cathodic reduction and anodic oxidization reaction processes of photogenerated holes and electrons, respectively. The photocatalytic mechanism. and the effects of applied potentials and the addition of H2O2 were discussed in terms of the amplitude of cathodic and anodic photocurrents and the characteristic frequencies of upper and lower semicircles.
KeywordIntensity-modulated Photocurrent Spectroscopy (Imps) Photocatalysis Of Tio2 Particulate Suspension Photogenerated Charges Anodic Photocurrents Cathodic Photocurrents
DOI10.3866/PKU.WHXB20020105
Indexed BySCI
Language英语
WOS IDWOS:000173367900005
PublisherPEKING UNIV PRESS
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/79196
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
Yin, F,Lin, Y,Lin, RF,et al. Photocatalytic mechanism studies of TiO2 particulate suspension by intensity-modulation photocurrent Spectroscopy[J]. ACTA PHYSICO-CHIMICA SINICA,2002,18(1):21-25.
APA Yin, F,Lin, Y,Lin, RF,&Xiao, XR.(2002).Photocatalytic mechanism studies of TiO2 particulate suspension by intensity-modulation photocurrent Spectroscopy.ACTA PHYSICO-CHIMICA SINICA,18(1),21-25.
MLA Yin, F,et al."Photocatalytic mechanism studies of TiO2 particulate suspension by intensity-modulation photocurrent Spectroscopy".ACTA PHYSICO-CHIMICA SINICA 18.1(2002):21-25.
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