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Effect of Self-Assembly of Amphiphilic Redox-Chromophores on Photoionization Processes

✍ Scribed by Robin Humphry-Baker; André M. Braun; Michael Grätzel

Publisher
John Wiley and Sons
Year
1981
Tongue
German
Weight
622 KB
Volume
64
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

A surfact derivative of phenothiazine was synthesized which is capable of micelle formation in aqueous solution. Concomitantly with micellization, strong changes in the photochemical behaviour occur. In particular, monophotonic photoionization is only observed above the critical micelle concentration (CMC.). Cooperative effects associated with self‐assembly of this amphiphilic redox chromophore leading to local electrostatic barriers are evoked to explain these effects.

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