IDENTIFICATION OF LUMINESCENT CENTRES IN GLASS WITH COPPER AND CHLORINE IONS

Babkina Anastasia N., Nikonorov Nikolay V. , Sidorov Alexander I., Shakhverdov Teimur Azimoich, Shirshnev Pavel S.

2013 , VOLUME 13, NUMBER 3 ( MAY-JUNE )

ISSN 2226-1494 (print), ISSN 2500-0373 (online)

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Nikiforov
Vladimir O.
D.Sc., Prof.

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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 Cu_n (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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