Detection of Transient Spectra within Polycrystalline Samples Using the New Technique of Diffuse Reflectance Flash Photolysis-Reference-Cited by-同舟云学术

Detection of Transient Spectra within Polycrystalline Samples Using the New Technique of Diffuse Reflectance Flash Photolysis

Published:1982-11 Issue:6 Volume:36 Page:673-675
ISSN:0003-7028
Container-title:Applied Spectroscopy
language:en
Short-container-title:Appl Spectrosc

Author:

Kessler R. W.¹,Oelkrug D.¹,Wilkinson F.¹

Affiliation:

1. Institute fur Physikalische und Theoretische Chemie der Universitat, D-7400, Tubingen, West Germany (R. W.K., D.O.), and Department of Chemistry, University of Technology, Loughborough, Leicestershire, LE11 3TU, England (F.W.)

Abstract

A powdered semiconductor (ZnO) and a polycrystalline sample of perovskite-type LaAIO3 doped with 1% Cr(III) have been subjected to the recently developed technique of diffuse reflectance flash photolysis. In both cases transient absorption spectra are obtained from these powdered, nontransparent samples and these are reported here. Thus, the method allows the direct observation of absorption by transient species formed following pulsed irradiation within powdered samples as well as from highly scattering interfaces demonstrating that the technique has high potential for investigating heterogeneous photochemical systems.

Publisher

SAGE Publications

Subject

Spectroscopy,Instrumentation

Link

http://journals.sagepub.com/doi/pdf/10.1366/0003702824639213

Reference6 articles.

1. Diffuse reflectance triplet–triplet absorption spectroscopy of aromatic hydrocarbons chemisorbed on γ-alumina

2. Radiative and non-radiative transitions in aromatic molecules chemisorbed on γ-alumina

3. Ground and Excited States of the Biexciton and the M-Band Luminescence in Highly Excited ZnO

4. Excited-state absorption in ruby, emerald, and MgO:Cr3+

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