Incorporating fluorescent quantum dots into water-soluble polymer

被引：20

作者：

Lei, Yun ^{[1
,2
]}

Tang, Haiyang ^{[3
]}

Zhou, Chunjiao ^{[1
,2
]}

Zhang, Tingting ^{[1
,2
]}

Feng, Meifu ^{[3
]}

Zou, Bingsuo ^{[1
,2
]}

机构：

[1] Hunan Univ, Micronanotechnol Res Ctr, State Key Lab CBSC, Changsha 410082, Peoples R China

[2] Chinese Acad Sci, Inst Phys, Beijing 100080, Peoples R China

[3] Chinese Acad Sci, Inst Zool, Beijing 100080, Peoples R China

来源：

JOURNAL OF LUMINESCENCE | 2008年 / 128卷 / 03期

关键词：

quantum dots; polyacrylamide; photoluminescence spectra; fluorescence images;

D O I：

10.1016/j.jlumin.2007.07.011

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The fluorescent quantum dot-polymer composites were fabricated by incorporating thioglycolic acid capped CdTe quantum dots into polyacrylamide via cross-linking agents. The CdTe-polyacrylamide composites were characterized by fluorescence spectrophotometer and fluorescence microscope. The result shows that the quantum dot-polymer composites show strong photo luminescence in aqueous solution. The photoluminescence spectrum of quantum dot-polymer composites exhibits a slight blue shift compared to that of initial CdTe quantum dots. The slight shift might be attributed to the covalently bonding between the carboxyl groups of thiolglycolic acid capped on CdTe quantum dots and the amide groups of the polyacrylamide chains. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：277 / 281

页数：5

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