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铕Ⅲ-对苯二甲酸-2-噻酚甲酰三氟丙酮多核体系的荧光增强及其应用赵学辉1,1,黄可龙1,焦飞鹏1,刘志国1,罗婕1(1.湖南省株洲市湖南工业大学化学化工学院)摘 要:以对苯二甲酸(TPA)与2-噻酚甲酰三氟丙酮(HTTA)为配体研究了Eu3+在其乙醇溶液中的荧光增强效果.研究结果表明,在pH为6.8的乙醇溶液中,对苯二甲酸与2-噻酚甲酰三氟丙酮混合配体的敏化可使Eu3+荧光强度提高三个多数量级.在三苯基氧化膦(TP-PO)存在的条件下,稀土La3+,Gd3+,Y3+与Eu3+-TPA-TTA-TPPO形成的多核......
; Abstract: A rapid, ultrasensitive and convenient fluorescence measurement technology based on the enhancement... to the enhancement of the PL intensity. Moreover, higher temperature will speed up the reaction between the functionalized nano-CdSe/CdS and BSA. The solution was incubated in 25 ℃, and then the fluorescence......
YPO4 nanocrystals: preparation and size-induced lattice symmetry enhancement YU Hongsheng1,LIU Qiong1,HAN Wei1,SU Yiguo2 (1.College of Physics, Jilin University, Changchun 130021, China;2.Fujian.... The phase purity, microstructure, surface absorbed water and luminescence properties were characterized with X-ray diffraction (XRD), transmission electron microscopy (TEM), fluorescence spectrum, infrared......
Spectrofluorimetric determination of terbium(Ⅲ) by fluorescence enhancement system of Tb-TPA-Triton X-100 by La3+ZHAO Guohu and ZHAO JunBasic Science Department, Gansu Agricultural University, Lanzhou 730070, China (Received 2002-04-29)摘 要:<正> The phenomenon of fluorescence enhancement for the system of terbium(b!) with terephthalic acid......
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Remarkable fluorescence enhancement of upconversion composite film and its application on mercury sensing徐赛1,2,张艳秋1,李香萍1,张金苏1,孙佳石1,程丽红1,陈宝玖11. Department of Physics, Dalian Maritime University2... excitation. According to size-dependency, excitation power density-dependency as well as photonic stop band(PSB)-dependency upconversion spectra, the enhancement mechanism of the composite film was put......
Remarkable fluorescence enhancement of upconversion composite film and its application on mercury sensing徐赛1,2,张艳秋1,李香萍1,张金苏1,孙佳石1,程丽红1,陈宝玖11. Department of Physics, Dalian Maritime University2... excitation. According to size-dependency, excitation power density-dependency as well as photonic stop band(PSB)-dependency upconversion spectra, the enhancement mechanism of the composite film was put......
Design and fabrication of a new fluorescence enhancement system of silver nanoparticles-decorated aligned silver nanowiresJian-Chao Wang1,Hong-Sheng Luo1,Ming-Hai Zhang1,Xi-Hong Zu1,Jie Zhang2,Yu-Xin...),was fabricated to investigate metalenhanced fluorescence(MEF) and its mechanism.The new composite structure was fabricated via a three-phase interface assembly method followed by SnCl2 sensitization......
of Kiso causes the enhancement of emissive probability 5D4→7F5 in Tb(Ⅲ), thus, the less the dipole moment of solvent molecule, the stronger the fluorescence intensity. Table 2 Fluorescence intensity...- dicarboxylic acid derivatives and their fluorescence properties [J]. Chem J Chin Univ, 2006, 27(3): 472-477. (in Chinese) [13] MAGYARA A P, SILVERSMITHA A J, BREWERB K S, BOYE D M. Fluorescence enhancement......