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Diffuse reflectance laser flash photolysis of adsorbed molecules

  • Special Issue on Lasers in Chemistry, Proceedings of the Conference of the International Centre for Pure and Applied Chemistry, Trieste, June 1990
  • Published:
Proceedings of the Indian Academy of Sciences - Chemical Sciences Aims and scope Submit manuscript

Abstract

Recent progress which allows laser flash photolysis investigation of opaque materials by using diffuse reflectance from analysing sources for the detection of laser induced transient species is described. Experimental details of nanosecond and picosecond diffuse reflectance laser photolysis systems are presented and methods of analysis of data are discussed. The potential of the technique for studying elementary reactions at interfaces is demonstrated with particular reference to bimolecular reactions of (a) the triplet state of acridine adsorbed on various porous silica surfaces and (b) ion-electron recombination following multi-photon ionisation of diphenyl polyenes adsorbed on γ-alumina. The mechanisms of formation and decay of these transient adsorbed species are discussed.

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Authors and Affiliations

  1. Department of Chemistry, Loughborough University of Technology, Loughborough, LE11 3TU, Leicestershire, England

    F. Wilkinson

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  1. F. Wilkinson
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Wilkinson, F. Diffuse reflectance laser flash photolysis of adsorbed molecules. Proc. Indian Acad. Sci. (Chem. Sci.) 103, 305–311 (1991). https://doi.org/10.1007/BF02842087

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