Hydrothermal synthesis of highly luminescent CdTe quantum dots by adjusting precursors' concentration and their conjunction with BSA as biological fluorescent probes

被引：77

作者：

Li, Mengying ^{[1
]}

Ge, Yingxin ^{[1
]}

Chen, Qifan ^{[1
]}

Xu, Shukun ^{[1
]}

Wang, Naizhi ^{[1
]}

Zhang, Xiujuan ^{[1
]}

机构：

[1] NE Univ, Dept Chem, Shenyang 110004, Peoples R China

来源：

TALANTA | 2007年 / 72卷 / 01期

基金：

中国国家自然科学基金;

关键词：

quantum dots; precursor; photoluminescence intensity; biological fluorescent labeling;

D O I：

10.1016/j.talanta.2006.09.028

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A study on hydrothermal synthesis of CdTe quantum dots, highly luminescent nanocrystals at a relatively lower temperature, via changing the concentration of the CdTe precursors, is described. The full width at half maximum ranged from 40 to 80 nm and quantum yield (QY) was detected to be 27.4% at room temperature. The as-prepared CdTe QDs were labeled with BSA for fluorescence probes without pretreatment. Conjunction experimental results suggested that the as-prepared CdTe QDs are suitable for the application of biotechnology. (C) 2006 Elsevier B.V. All rights reserved.

引用

页码：89 / 94

页数：6

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