Preparation of CdTe nanocrystal-polymer composite microspheres in aqueous solution by dispersing method

被引：0
|
作者：
LI Minjie
机构：
来源：
ChineseScienceBulletin | 2005年 / 07期
关键词：
semiconductor nanocrystals; CdTe; fluorescence; dis-; persing; composite microspheres;
D O I：
暂无
中图分类号：
TN304 [材料];
学科分类号：
摘要：
Highly fluorescent CdTe nanocrystals were synthesized in aqueous solution, and then processible CdTe nanocrystal-polymer composites were fabricated by coating the aqueous nanocrystals with copolymers of styrene and octadecyl-p-vinyl-benzyldimethylammonium chloride (SOV- DAC) directly. A dichloromethane solution of CdTe nano- crystal-polymer composites was dispersed in the aqueous solution of poly (vinyl alcohol) (PVA) generating highly fluo- rescent microspheres. Experimental parameters such as the concentration of nanocrystal-polymer composites, the con- centration of PVA, and stirring speed which had important effect on the preparation of the microspheres were investi- gated in detail with fluorescent microscope characterization.
引用
收藏
页码：621 / 625
页数：5
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