Preparation of CdS‐doped Glasses from Gels Containing Diethyldithiocarbamatocadmium
作者： Tomoaki Iwami , Kiyoharu Tadanaga , Masahiro Tatsumisago , Tsutomu Minami , Noboru Tohge
DOI: 10.1111/J.1151-2916.1995.TB08868.X
关键词: Inorganic chemistry 、 Quantum size effect 、 Blueshift 、 Doping 、 Absorption edge 、 Sulfur 、 Absorption (chemistry) 、 Wavelength 、 Analytical chemistry 、 Chemistry 、 Hexagonal crystal system
摘要: CdS-doped SiO2 glasses were prepared via silica gels containing diethyldithiocarbamatocadmium Cd(S2CN(C2H5)2)2. Heat treatment of the gave transparent yellow SiO2glasses doped with hexagonal CdS crystals. In optical absorption and fluorescence spectra, edge emission peak clearly exhibited a blue shift, which was attributed to quantum size effect carrier confinement, as content decreased. spectra glasses, observed only near 500 nm not at longer wavelengths known be present if there sulfur vacancies.
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