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Investigation on Electroluminescence of CdSe Nanocrystals Quantum Dots Devices
Author(s): 
Pages: 1625-1628
Year: Issue:  4
Journal: Chinese Journal of Spectroscopy Laboratory

Abstract: 以巯基乙酸为稳定剂,在水溶液中制备了硒化镉(CdSe)纳米晶.用X射线光电子能谱(XPS)及其在水溶液中的紫外可见吸收光谱对其进行了表征.又以CdSe为发光材料制备了两种结构的电致发光器件,并对它们的光致发光和电致发光特性进行了研究.在两个器件的电致发光中都得到了CdSe纳米晶的发光,说明CdSe纳米晶是主要的发光中心而聚乙烯咔唑(PVK)只是空穴注入和传输的媒介.在电致发光光谱中还出现了一个不同...
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