Journal of Jilin Institute of Chemical Technology, 2019, 36(7): 10-13    doi: 10.16039/j.cnki.cn22-1249.2019.07.003
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Comparative Study on the Interaction between Ponceau 4R/Amaranth and Graphene/CdTe Quantum Dots Composites
ZHANG Keshi, GUAN Yufeng, ZHANG Jianpo, JIN Li
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Abstract  

Fluorescence and absorbance spectra was obtained to study the interaction between Ponceau 4R/Amaranth and graphene/CdTe quantum dots composites. Both Ponceau 4R/Amaranth have strong fluorescence quenching effect on graphene/CdTe quantum dots composites, and both were static quenching process. But quenching rate caused by ponceau 4R/amaranth was different, because of the difference of structure. Based on variable temperature experiment、absorbance spectrum and structure analysis, we could conclude that conjugated degree of ponceau 4R is higher than that of amaranth. Furthermore there was a good linear relationship between ponceau 4R/amaranth and graphene/CdTe quantum dots composites, and could be used for quantitative analysis of ponceau 4R/amaranth.

Key words graphene/CdTe quantum dots composites      fluorescence analysis      amaranth      ponceau 4R      
Published: 25 July 2019
:  O656.3  
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ZHANG Keshi
GUAN Yufeng
ZHANG Jianpo
JIN Li
Cite this article:   
ZHANG Keshi,GUAN Yufeng,ZHANG Jianpo, et al. Comparative Study on the Interaction between Ponceau 4R/Amaranth and Graphene/CdTe Quantum Dots Composites [J]. Journal of Jilin Institute of Chemical Technology, 2019, 36(7): 10-13.
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https://xuebao.jlict.edu.cn/EN/10.16039/j.cnki.cn22-1249.2019.07.003     OR     https://xuebao.jlict.edu.cn/EN/Y2019/V36/I7/10