Stability of CdS nanocrystals in glass
JOURNAL DE PHYSIQUE IV, cilt.7, ss.1101-1102, 1997 (SCI-Expanded, Scopus)
- Yayın Türü: Makale / Tam Makale
- Cilt numarası: 7
- Basım Tarihi: 1997
- Doi Numarası: 10.1051/jp4:19972147
- Dergi Adı: JOURNAL DE PHYSIQUE IV
- Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
- Sayfa Sayıları: ss.1101-1102
- Yıldız Teknik Üniversitesi Adresli: Evet
Özet
We have measured and analyzed optical absorption and x-ray absorption spectra of CdS nanocrystals Brown by solid-state reaction in a borosilicate glass, with average crystallite radii from 1.4 to 5 nm. The first (Cd-S) and second (Cd-Cd) neighbor distances are within 0.2% of the bulk values in all cases. We establish an upper bound for the interfacial tension of 0.15 N/m. Such low interface tension suggests that glass-embedded nanocrystals are inherently more stable than bare or capped nanocrystals of the same size.