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Studies of the Photochromic Properties of the System CuCl(s)-H2O(l) Using Auger Electron Spectroscopy
Department of Physical Chemistry, The Royal Institute of Technology, S - 100 44 Stockholm 70 Sweden.
1977 (English)In: Journal of Photochemistry, Vol. 7, no 1, p. 51-58Article in journal (Refereed) Published
Abstract [en]

The photochromic disproportionation of Cu+ into Cu2+ and Cu0 has been studied in the system CuCl(s)---H2O(l) by obtaining Auger electron spectroscopy measurements of copper in CuCl. The MMM Auger spectrum of CuCl consists mainly of one broad peak with a maximum at an energy 4 eV lower than the two main peaks in the spectrum of metallic copper. In photochromic coloured CuCl only one additional peak appears within the energy range of the peaks of metallic copper, but in the spectrum of CuCl exposed to a concentrated electron beam both metallic copper peaks are visible. This provides experimental evidence that photochemically produced metallic copper clusters in CuCl are extremely small compared with the metallic copper particles formed during electron exposure.

Place, publisher, year, edition, pages
1977. Vol. 7, no 1, p. 51-58
National Category
Other Environmental Engineering
Research subject
Environmental Science, Environmental technology
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URN: urn:nbn:se:lnu:diva-1454DOI: 10.1016/0047-2670(77)87005-6OAI: oai:DiVA.org:lnu-1454DiVA, id: diva2:308326
Available from: 2010-04-06 Created: 2010-04-06 Last updated: 2011-06-10Bibliographically approved

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Carlsson, Bo

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