Size quantization effects on excitonic optical transitions are studied by optical absorption experiments on sodium borosilicate glasses doped with CdS, CdSe or CdTe nanocrystals. The original sol-gel synthesis procedure involves the preparation of complex cadmiumbased molecules in an aqueous solutio
β¦ LIBER β¦
Photoluminescence of CdS semiconductor nanocrystals in sodium borosilicate glasses
β Scribed by Jialong Zhao; Kai Dou; Shaozhe Lu; Yinmin Chen; Shihua Huang; Jiaqi Yu; Weidong Xiang; Zishang Ding
- Publisher
- Springer
- Year
- 1996
- Tongue
- English
- Weight
- 279 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0261-8028
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We have measured and analyzed optical absorption and X-ray absorption spectra of CdS nanocrystals grown by solid-state reaction in a borosilicate glass. We observe and quantify the progressive replacement of O nearest neighbors of Cd by S with heat treatment and the appearance and growth of a well-d