Determination of size and concentration of copper nanoparticles dispersed in glasses using spectroscopic ellipsometry

For the generation of particular optical properties the melt of a commercially manufactured glass is doped with copper compounds. The glass obtained is opaque black at the usual thickness and looks dark red after making it into bulbs of incandescent lamps. It is generally assumed that copper particl...

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Bibliographic Details
Published in:Applied physics. B, Lasers and optics Lasers and optics, 2001-09, Vol.73 (4), p.333-337
Main Authors: Kürbitz, S., Porstendorfer, J., Berg, K.-J., Berg, G.
Format: Article
Language:English
Subjects:
Bulbs
CHEMICAL ANALYSIS
Copper
ELLIPSOMETRY
Glass
GLASSES
Melts
Nanoparticles
OPTICAL PROPERTIES
PARTICLES
PROPERTIES
Spectroscopy
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Summary:For the generation of particular optical properties the melt of a commercially manufactured glass is doped with copper compounds. The glass obtained is opaque black at the usual thickness and looks dark red after making it into bulbs of incandescent lamps. It is generally assumed that copper particles cause this colouring. A proof in a spectrophotometric way fails due to the very high absorbance even for a sample thickness below 20 *mm. It will be shown that in these cases spectroscopic ellipsometry is a suitable method of investigation.
ISSN:0946-2171
1432-0649
DOI:10.1007/s003400100657