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Selenium-molybdenum-based colouration of alkali silicate glasses

Författare:
Publiceringsår: 2007
Språk: Engelska
Sidor: 213-221
Publikation/Tidskrift/Serie: Glass Technology - European Journal of Glass Science and Technology Part A
Volym: 48
Nummer: 5
Dokumenttyp: Artikel
Förlag: Society of Glass Technology

Sammanfattning

The interaction between selenium and molybdenum in reduced alkali silicate melts, resulting in red glasses has been studied. The oxidation state of Mo is Mo(VI) as evidenced by XANES and ESCA results. Selenium is present in a reduced state, as indicated by ultraviolet/visible spectroscopy and XANES. The colour is described by ultraviolet/visible spectra and CIE colour coordinates. The main absorption peaks are at 450 and 540 nm. Similar bands are reported for MoOSe32-. Several commonly used glass components must be avoided in the batch, as they prevent formation of the red colour.

Disputation

Nyckelord

  • Chemistry

Övriga

Published
Yes
  • ISSN: 1753-3546

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