| 亮蓝与石墨烯/CdTe量子点复合物相互作用的荧光光谱性能研究 |
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| 引用本文： | 张棵实,王影,刘芳同,金丽. 亮蓝与石墨烯/CdTe量子点复合物相互作用的荧光光谱性能研究[J]. 吉林化工学院学报, 2019, 36(3): 21-24. DOI: 10.16039/j.cnki.cn22-1249.2019.03.004 |
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| 作者姓名： | 张棵实 王影 刘芳同 金丽 |
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| 作者单位： | 吉林化工学院 化学与制药工程学院 |
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| 摘 要： | 成功地合成了石墨烯/CdTe量子点复合物，并基于亮蓝对石墨烯/CdTe量子点复合物的较强的荧光猝灭作用，研究了亮蓝与石墨烯/CdTe量子点复合物相互作用的光谱性能。研究发现，亮蓝的紫外吸收光谱和石墨烯/CdTe量子点复合物的荧光发射光谱相互重叠，亮蓝荧光发射强度的增加和石墨烯/CdTe量子点复合物荧光发射强度的降低，推断两者之间发生了荧光共振能量转移。此外，石墨烯/CdTe量子点复合物荧光强度的降低（F0/F）与亮蓝的浓度之间具有良好的线性关系，线性范围为12.62-94.65nmol·L-1，最低检出限为6.4nmol·L-1，可用于溶液中亮蓝的定量分析，为建立新型荧光传感器提供了理论和实验基础。
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| 关 键 词： | 亮蓝 石墨烯/CdTe量子点复合物 荧光猝灭 荧光共振能量转移 |
The Fluorescence Spectrum Properties of Interaction between Brilliant Blue with Graphene/CdTe Quantum Dots Composites |
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| ZHANG Keshi,WANG Ying,LIU Fangtong,JIN Li. The Fluorescence Spectrum Properties of Interaction between Brilliant Blue with Graphene/CdTe Quantum Dots Composites[J]. Journal of Jilin Institute of Chemical Technology, 2019, 36(3): 21-24. DOI: 10.16039/j.cnki.cn22-1249.2019.03.004 |
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| Authors: | ZHANG Keshi WANG Ying LIU Fangtong JIN Li |
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| Abstract: | In this paper, graphene/CdTe quantum dots composites had been successfully synthesized, the spectral properties of the interaction between Brilliant blue and graphene/CdTe quantum dot complexes were investigated based on the strong fluorescence quenching effect of Brilliant Blue on graphene/CdTe quantum dots composites. Results shown that the UV absorption spectra of Brilliant Blue overlapped with the fluorescence emission spectrum of graphene/CdTe quantum dot composites, and increasing of fluorescence emission intensity of Brilliant Blue and the decreasing of the fluorescence emission intensity of graphene/CdTe quantum dot complex, all these indicated that fluorescence resonance energy transfer between Brilliant Blue and graphene/CdTe quantum dot has been taken place. Also there is a good linear relationship between the decreasing of fluorescence intensity of graphene/CdTe quantum dots composites (F0/F) and the concentrations of Brilliant Blue, the linear range is 18.93?94.65nmol·L-1, the detection limit is 6.6nmol·L-1, which could be used to quantitative analysis of Brilliant Blue solution, and could provide a theoretical and experimental basis for new fluorescence sensors. |
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| Keywords: | brilliant blue Graphene/CdTe composites fluorescence quenching fluorescence resonance energy transfer |
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