Laser Raman spectroscopy of colloidal semiconductor photosensitizers

Umapathy, S. ; Hester, R. E. (1990) Laser Raman spectroscopy of colloidal semiconductor photosensitizers Proceedings of the Indian Academy of Sciences - Chemical Sciences, 102 (5). pp. 613-628. ISSN 0253-4134

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Colloidal semiconductor photosensitizers have been used as heterogeneous catalysts for the chemical solar energy conversion processes. The use of Raman spectroscopy to address the problems related to colloidal semiconductors and photosensitization reactions is reviewed. In particular, the adsorption characteristics of various secondary sensitizers and their electron-transfer reactions are studied using resonance Raman and time-resolved resonance Raman spectroscopy. Finally, the importance of the quantum size effect of colloidal semiconductors in relation to their catalytic effects is presented with particular reference to their influence on photosensitizing properties.

Item Type:Article
Source:Copyright of this article belongs to Indian Academy of Sciences.
Keywords:Laser Raman Spectroscopy; Colloidal Semiconductor Photosensitizers; Heterogeneous Catalysts; Chemical Solar Energy Conversion Processes
ID Code:65003
Deposited On:15 Oct 2011 12:29
Last Modified:18 May 2016 13:12

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