IDENTIFICATION OF LUMINESCENT CENTRES IN GLASS WITH COPPER AND CHLORINE IONS

A. N. Babkina, N. V. Nikonorov, A. I. Sidorov, T. A. Shakhverdov, P. S. Shirshnev


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Abstract

Research results of luminescent and excitation spectra of potassium-alumina-borate glass with copper and chlorine ions luminescence are submitted.  It is shown, that before the heat treatment glass luminescence is connected with molecular clusters Cun (n < 10). The broadband luminescence in the visible spectral region, appearing after the heat treatment, is due to the appearance of (CuCl)n and (Cu2O)n molecular clusters in glass matrix.


Keywords: luminescence, molecular cluster, glass, copper chloride, copper ions, chloride ions
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