Microcrystalline-CdTe-doped silica glasses: sol-gel preparation and quantum confinement effect

Masayuki Nogami; Ikunori Kojima; Katsumi Nagasaka

doi:10.1117/12.132048

7 December 1992 Microcrystalline-CdTe-doped silica glasses: sol-gel preparation and quantum confinement effect

Masayuki Nogami, Ikunori Kojima, Katsumi Nagasaka

Proceedings Volume 1758, Sol-Gel Optics II; (1992) https://doi.org/10.1117/12.132048
Event: San Diego '92, 1992, San Diego, CA, United States

Abstract

Microcrystalline CdTe-doped glasses were prepared by heating the gels in H₂-N₂ atmosphere. When heated in H₂-N₂ gas, Te ions were reduced into Te^2-, which reacted with Cd²⁺, ions to form CdTe crystals. The size of CdTe crystals was about 3.5 nm in radius, which was controlled by changing the conditions of gel synthesis. The optical absorption edge energies were reciprocally proportional to the square of the crystal radius.

Citation Download Citation

Masayuki Nogami, Ikunori Kojima, and Katsumi Nagasaka "Microcrystalline-CdTe-doped silica glasses: sol-gel preparation and quantum confinement effect", Proc. SPIE 1758, Sol-Gel Optics II, (7 December 1992); https://doi.org/10.1117/12.132048

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