Multi-photon-excited fluorescence resonance energy transfer in an aqueous system from ZnSe:Mn and ZnSe quantum dots to Rhodamine 6G

被引:0
作者
Feng, Yueshu [1 ]
Li, Binyu [2 ]
Guo, Ming [1 ]
Huang, Yulin [3 ]
机构
[1] Jilin Engn Normal Univ, Jilin Engn Lab Quantum Informat Technol, Inst Interdisciplinary Quantum Informat Technol, Changchun 130000, Peoples R China
[2] Changchun Univ Sci & Technol, Changchun 130000, Peoples R China
[3] Tangshan Peoples Hosp, Tangshan 063001, Peoples R China
关键词
Multi-photon-excited; Quantum dots; Fluorescence resonance energy transfer; Fluorescence spectrum; Energy transfer efficiency; 2-PHOTON; FRET; ABSORPTION; EMISSION; THERAPY; CDSE;
D O I
10.1007/s11082-021-02995-9
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In this study, we investigated the multi-photon excited fluorescence resonance energy transfer (FRET) between ZnSe and ZnSe:Mn quantum dots and Rhodamine 6G in aqueous solution. Two and three photon excited FRET was measured by similar to 50 fs laser pulses at wavelength of similar to 754 nm and similar to 1300 nm, respectively. The FRET efficiency of ZnSe:Mn-R6G system was about 1.5-fold higher than that of the ZnSe-R6G, which was associated with increase of Forster radius of the sample. In addition, FRET efficiency of ZnSe:Mn-R6G systems were up to 45% excited by two-photon. Our study contributed to the application of FRET in the biological and medical fields.
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页数:15
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