Abstract
Heat-treatment was used to precipitate PbS quantum dots (QDs) in silicate glasses doped with different amounts of Ag 2O, and the influence of Ag 2O on QDs was investigated. Under given heat-treatment conditions, the absorption coefficients and photoluminescence intensities of PbS QDs increased with the addition of Ag 2O. Ag clusters formed by thermal treatment nucleated formation of PbS QDs in glasses.
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