Selenium: molybdenum-based coloration of alkali silicate glasses

Selenium : molybdenum-based coloration of alkali silicate glasses

Bring, Torun (author): Växjö universitet,KTH,Oorganisk kemi,Institutionen för teknik och design

Carlson, Stefan (author): Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory,MAX-lab, Lund

(creator_code:org_t)

Society of Glass Technology, 2007
2007
English.
In: Glass Technology. - : Society of Glass Technology. - 0017-1050. ; 48:5, s. 213-221

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Abstract Subject headings

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.

About the subject

By the university: Royal Institute of Technology; Lund University; Linnaeus University

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