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ID:7707
Title: Qunatum Dots
URL:http://www.nanoshel.com
Category:Science: Biology
Description:Photoluminescence Quantum Dots exhibits solid-solid phase transition like bulk semiconductors, and these transitions have a substantial influence on the optical properties of Qdots. Phase transitions in bulk materials can be induced by varying pressure, temperature and composition. Bulk CdSe may exhibit either a hexagonal wurtzite or a rock salt cubic structure with a direct or indirect band-gap, respectively. Above a pressure of ~ 3 GPa, the CdSe bulk semiconductor can be converted reversibly from low pressure wurtzite to the high pressure rock salt structures.
Meta Keywords:Nano powder
Meta Description:Photoluminescence Quantum Dots exhibits solid-solid phase transition like bulk semiconductors, and these transitions have a substantial influence.
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