A facile fluorescent chemosensor based on a water-soluble porphyrin for Mo(6+) in aqueous solution.
A novel water-soluble porphyrin (5,10,15,20-tetra(3-ethoxy-4-hydroxy-5-sulfonate) phenylporphyrin, H2TEHPPS) was synthesized. H2TEHPPS exhibited high sensitivity and selectivity towards Mo(6+). The enhanced fluorescence response of H2TEHPPS after titration with Mo(6+) in aqueous solution at pH3.5 was attributed to the formation of an inclusion complex between the porphyrin ring and Mo(6+), which R(2)=0.999 from 10 to 1000μgL(-1), providing a detection limit of 1.5μgL(-1). The fluorescence response of H2TEHPPS towards Mo(6+) showed excellent selectivity over other transition metal cations.
College of Chemistry, Jilin University, Jiefang Road 2519, Changchun 130021, China; State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Jiefang Road 2519, Changchun 130021, China.
Guodong
G
Feng
College of Chemistry, Jilin University, Jiefang Road 2519, Changchun 130021, China.
Hongyu
H
Mi
College of Chemistry, Jilin University, Jiefang Road 2519, Changchun 130021, China.
Qiang
Q
Fei
College of Chemistry, Jilin University, Jiefang Road 2519, Changchun 130021, China.
Hongyan
H
Shan
College of Chemistry, Jilin University, Jiefang Road 2519, Changchun 130021, China.
Baojun
B
Wang
College of Chemistry, Jilin University, Jiefang Road 2519, Changchun 130021, China.
Hui
H
Xu
State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Jiefang Road 2519, Changchun 130021, China.
Guanghua
G
Li
Changchun Institute of Metrology, Changchun 130012, China.
Fei
F
Chen
College of Chemistry, Jilin University, Jiefang Road 2519, Changchun 130021, China.
Yanfu
Y
Huan
Aqueous solution; H(2)TEHPPS; Molybdenum; Water-soluble porphyrin