ICCAS OpenIR
Photophysical properties of fluorescein derivatives on TiO2 colloid
Zhang, HP; Zhou, YL; Zhang, MH; Shen, T; Li, YL; Zhu, DB
2002-09-01
Source PublicationACTA CHIMICA SINICA
ISSN0567-7351
Volume60Issue:9Pages:1581-1585
AbstractThe interactions of the model compound (FL4) or diad (FL-AQ) composed of fluorescein and 2-methyl-anthraquinone and TiO2 colloid have been examined by absorption, fluorescence spectroscopy and fluorescence lifetime. This diad (FL-AQ) or model compound (FL4) is adsorbed on TiO2 colloid, through,the phenolic function of the fluorescein moiety. The apparent association constant (K-app) of FL4/TiO2 obtained from the absorption spectra is ca. 3590 mol(-1) . L. The K-app of FL - AQ/TiO2 is ca. 3060 mol(-1) . L. The degree of association ( a) between TiO2 and FL4 is ca. 0.86. The degree of association (a) between TiO2 and FL-AQ is ca. 0.84. The mechanism of the photoinduced electron injection was also discussed through ESR spectra.
KeywordFluorescein Derivatives Tio2 Colloid Photoinduced Electron Injection Esr Spectra
Indexed BySCI
Language英语
WOS IDWOS:000178292400008
PublisherSCIENCE CHINA PRESS
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Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/78752
Collection中国科学院化学研究所
Corresponding AuthorZhang, HP
AffiliationChinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Zhang, HP,Zhou, YL,Zhang, MH,et al. Photophysical properties of fluorescein derivatives on TiO2 colloid[J]. ACTA CHIMICA SINICA,2002,60(9):1581-1585.
APA Zhang, HP,Zhou, YL,Zhang, MH,Shen, T,Li, YL,&Zhu, DB.(2002).Photophysical properties of fluorescein derivatives on TiO2 colloid.ACTA CHIMICA SINICA,60(9),1581-1585.
MLA Zhang, HP,et al."Photophysical properties of fluorescein derivatives on TiO2 colloid".ACTA CHIMICA SINICA 60.9(2002):1581-1585.
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