Charge and Energy Transfer Between CdSe Quantum Dots and Polyaniline

被引：5

作者：

Xu, Liang ^{[1
]}

Huang, Xingbin ^{[1
]}

Dai, Wenjiang ^{[1
]}

Sun, Punan ^{[1
]}

Chen, Xuanlin ^{[1
]}

An, Limin ^{[1
]}

机构：

[1] Heilongjiang Univ, Coll Phys Sci & Technol, Harbin 150080, Peoples R China

来源：

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2016年 / 16卷 / 04期

关键词：

Quantum Dots (QDs); CdSe; Polyaniline (PAni); Fluorescence Life; Charge Transfer; Energy Transfer; LIGHT-EMITTING-DIODES; NANOCRYSTALS; PHOTOLUMINESCENCE; POLYMER;

D O I：

10.1166/jnn.2016.11851

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

CdSe quantum dots (QDs) and polyaniline (PAni) were mixed to prepare CdSe QDs/PAni complex. PAni can quench the fluorescence of CdSe QDs. Fluorescence intensity of CdSe QDs/PAni complex is related to the size of CdSe QDs and the concentration of PAni. UV-Vis absorption spectra, fluorescence spectra, time-resolved fluorescence spectroscopy were used to analys the quenching phenomenon. The mechanism of fluorescence quenching is dependent on two factors: on one hand, the Forster resonance energy transfer from CdSe to PAni; on the other hand, PAni can intercept the charge relaxation process of CdSe and lead to the interruption of radiative recombination.

引用

页码：3909 / 3913

页数：5

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