A simple and highly selective 'turn-on' type fluorescence chemodosimeter for Hg2+ based on 1-(2-phenyl-2H-[1,2,3] triazole-4-carbonyl)thiosemicarbazide

作者：Lin Hui; Shi Wei^*; Tian Yong; Ma Fudong; Xu Linxian; Ma Junchi; Hui Yonghai; Xie Zhengfeng

来源：Journal of Luminescence, 2015, 157: 280-284.

DOI：10.1016/j.jlumin.2014.09.004

• Fluorescence chemodosimeter
• Thiosemicarbazide
• Hg2+ probing

1-(2-phenyl-2H-[1,2,3]triazole-4-carbonyl)-4-(4-methylphenyl)thiosemicarbazide (M1) has been synthesized and investigated as a fluorescence chemodosimeter for Hg2+ in dimethylsulfoxide. Highly selective 'turn-on' fluorescence alterations of M1 were observed upon the addition of Hg2+. Detection limit of Hg2+ by M1 reaches similar to 3.7 x 10(-8) mol/L (evaluated by 3 sigma criteria).The coexistent metal ions rendered no obvious interference toward the optical response of M1 for Hg2+.The mechanism of M1 for the recognition of Hg2+ has been investigated by FT-IR, (1) H NMR and MS analyses.

• 出版日期2015-1
• 单位新疆大学