Controllable Synthesis of JIS-10:Eu3+ Red Phosphor and Performance Optimization of Fluorescent Probe for Antibiotic Detection
Xinyuan Zhang , Xiaoyu Cai , Wenhang Guo , Tan Su , Zhongmin Su
Chemical Research in Chinese Universities ›› 2025, Vol. 41 ›› Issue (5) : 1186 -1192.
Controllable Synthesis of JIS-10:Eu3+ Red Phosphor and Performance Optimization of Fluorescent Probe for Antibiotic Detection
A series of Eu3+ doped manganese phosphite (JIS-10:Eu3+) red phosphors was prepared via the hydrothermal method. The regulation of Eu3+ doping concentration on the material structure, luminescence properties, and antibiotic fluorescence sensing characteristics was systematically investigated. Experiments showed that when the Eu3+ doping concentration (molar fraction) was 0.01, the material exhibited the strongest red emission at 617 nm. Under near-ultraviolet excitation at 394 nm, the luminescence intensity of JIS-10:0.01Eu3+ showed a linear relationship with the Eu3+ concentration. When this material was used as a fluorescent probe for tetracycline detection, its fluorescence intensity exhibited a good linear response to tetracycline concentration in the range of 0.1–200 µmol/L, and it showed significant selectivity towards structural analogs, such as sulfadiazine and norfloxacin.
Rare-earth / Photoluminescence / Red phosphors / Antibiotic detection
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Jilin University, The Editorial Department of Chemical Research in Chinese Universities and Springer-Verlag GmbH
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