Paper Title:
Coloration in Soda-Lime-Silicate Glass System Containing Manganese
  Abstract

The UV-visible spectra of soda-lime-silicate glass system with the base composition (65-x) SiO2: 10CaO: 25Na2O: xMnO2 % mol, (where x is 0.0, 0.02, 0.05, 0.10, 0.30 and 0.50 %mol) were studied at room temperature. The results are shown that the colors of glass samples were altered from colorless to dark purple with increasing of MnO2 concentration and were stable at room temperature. The color of glass sample with 0.3 %mol MnO2 was purple. Moreover, it has been found that the density and refractive index were contiguous. The optical absorption spectra can be confirmed the color of these glass samples. They exhibited a predominant broadband around 500 nm and it was clearly observed, its increasing since 0.1 %mol of MnO2. This band corresponds to an allowed transition from 5Eg5T2g, which attributed to Mn3+. When increasing MnO2 concentration, the absorption band due to Mn3+ ion was dominating.

  Info
Periodical
Advanced Materials Research (Volumes 93-94)
Edited by
S. Suttiruengwong and W. Sricharussin
Pages
206-209
DOI
10.4028/www.scientific.net/AMR.93-94.206
Citation
N. Srisittipokakun, C. Kedkaew, J. Kaewkhao, P. Limsuwan, "Coloration in Soda-Lime-Silicate Glass System Containing Manganese", Advanced Materials Research, Vols. 93-94, pp. 206-209, 2010
Online since
January 2010
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