Journal
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
Volume 66, Issue 4-5, Pages 860-862Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.saa.2006.04.028
Keywords
glass; optical materials; FTIR; optical absorption
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Copper doped sodium leadbismuthate glasses were prepared in the chemical composition (wt.%) 35Bi(2)O(3) + 35PbO + (30 - x)Na2O +xCuO (where x= 1, 2, 3 and 4). The optical spectra of the glasses have been investigated. The optical absorption spectra of Cu2+ doped glasses show a broad absorption band between 560 and 880 nm, which is attributed to the (2)Eg -> T-2(2g) transition of Cu2+ ion. FTIR spectral studies confirm the Bi-O bonds and the presence of [BiO3] pyramidal units. (c) 2006 Elsevier B.V. All rights reserved.
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