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.
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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.
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Keywords:
- CdS quantum dots,
- Eosin Y,
- FRET
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