Fabrication of Eu(III) complex doped nanofibrous membranes and their oxygen-sensing properties.
In this paper, we report the synthesis, characterization, and photophysical properties of Eu(TTA)₃ECIP, where TTA=2-thenoyltrifluoroacetonate, and ECIP=1-ethyl-2-(N-ethyl-carbazole-yl-4-)imidazo[4,5-f]1,10-phenanthroline. Its elementary application for oxygen-sensing application is also investigated by doping it into a polymer matrix of polystyrene (PS). Experimental data suggest that the 2.5 wt% doped Eu(TTA)₃ECIP/PS nanofibrous membrane exhibits a high sensitivity of 3.4 towards oxygen with a good linear relationship of R² = 0.9962. In addition, the 2.5 wt% doped Eu(TTA)₃ECIP/PS nanofibrous membrane owns a quick response of 8s towards oxygen, along with its excellent atmosphere insensitivity and photobleaching resistance. All these results suggest that both Eu(TTA)₃ECIP and Eu(TTA)₃CIP/PS system are promising candidates for oxygen-sensing optical sensors.
Songzhu
Lin
L
School of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Changchun 130022, Jilin, PR China.
Xiangting
Dong
D
Jinxian
Wang
W
Guixia
Liu
L
Wenshen
Yu
Y
Ruokun
Jia
J
D056831:Coordination Complexes / Q000737:chemistry*; D005063:Europium / Q000737:chemistry*; D008024:Ligands; D008567:Membranes, Artificial; D057139:Nanofibers / Q000737:chemistry*; D010100:Oxygen / Q000032:analysis*; D011137:Polystyrenes
D056831:Coordination Complexes; D008024:Ligands; D008567:Membranes, Artificial; D011137:Polystyrenes; D005063:Europium; D010100:Oxygen