Citation: Xu Zhiji, Yan Zhengyu, Qi Zhengjian, Zha Jun. Research on Fluorescence Resonance Energy Transfer between CdS Quantum Dots and Eosin Y[J]. Chemistry, ;2016, 79(12): 1173-1177. shu

Research on Fluorescence Resonance Energy Transfer between CdS Quantum Dots and Eosin Y

Xu Zhiji ¹ ,
Yan Zhengyu ^2,, ,
Qi Zhengjian ¹ ,
Zha Jun ³

1.
1. School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189;
2.
2. School of Science, China Pharmaceutical University, Nanjing 211198;
3.
3. Anhui Institute for Food and Drug Control, Hefei 230051

Corresponding author: Yan Zhengyu,
Received Date: 8 April 2016
Available Online: 30 July 2016

In aqueous solution, fluorescence resonance energy transfer (FRET) behavior may occur between quantum dots (QDs) and organic fluorescent dyes. The FRET system was constructed by using the CdS QDs with an emission wavelength of 470 nm as an energy donor and Eosin Y as an acceptor. Some parameters of the FRET system were studied. In this system, the ratio of acceptor/donor was 8, quenching efficiency was 45.6%, reinforcing efficiency was 20.1%, distance between donor and acceptor was 4.4 nm, critical energy transfer distance was 2.4 nm.
- CdS quantum dots,
- Eosin Y,
- FRET
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沈阳化工大学材料科学与工程学院沈阳 110142