PREPARATION AND SPECTRAL PROPERTIES OF HIGH-EFFICIENCY LUMINESCENT POLYETHYLENIMINE-STABILIZED CdS QUANTUM DOTS

被引：8
|
作者：
Raevskaya, A. E. [1 ]
Grodzyuk, G. Ya. [1 ]
Stroyuk, A. L. [1 ]
Kuchmii, S. Ya. [1 ]
Dzhagan, V. N. [2 ]
机构：
[1] Natl Acad Sci Ukraine, LV Pisarzhevskii Inst Phys Chem, UA-03028 Kiev, Ukraine
[2] Natl Acad Sci Ukraine, VE Lashkarev Inst Semicond Phys, UA-03028 Kiev, Ukraine
来源：
THEORETICAL AND EXPERIMENTAL CHEMISTRY | 2010年 / 46卷 / 04期
关键词：
cadmium sulfide; quantum dots; photoluminescence; polyelectrolytes; polyethylenimine; CLUSTERS; ENERGY; YIELD;
D O I：
10.1007/s11237-010-9145-y
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Feasibility was demonstrated for obtaining ultrasmall colloidal CdS nanoparticles (with diameter about 2 nm) stabilized in aqueous solution by polyethylenimine with a narrow size distribution (similar to 10%) and luminescing at 400-600 nm (quantum yield about 10%). Complexation between Cd(II) and polyethylenimine is a necessary condition for formation of such nanoparticles.
引用
收藏
页码：233 / 238
页数：6
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