期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 143, 期 1, 页码 1-5出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2009.08.047
关键词
Calorimetric sensor; Fluorescent sensor; Fluoride; Cyanide; Fluoropolymer
资金
- Department of Energy [BES DE-FG02-05ER15718]
- National Science Foundation [DMR 0514622]
Semifluorinated polymers incorporating pi-conjugated segments diphenylbithiophene and a distyrylbenzene derivative as chromophoric main chain subunits have been prepared via a transition metal-free polymerization technique, and explored as anion sensors. One polymer exhibits visually identifiable colorimetric changes and photoluminescence enhancement in response to fluoride or cyanide over other common anions such as OAc-, P2O74-, Cl-, Br-, I-, PO43-, or HSO4- in THE Modest dissociation constants of 4.5 x 10(-5) M and 6.7 x 10(-3) M were determined for binding of fluoride and cyanide, respectively. to the most responsive polymer. (C) 2009 Elsevier B.V. All rights reserved.
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