期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 173, 期 -, 页码 797-801出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2012.07.105
关键词
BODIPY; Anions sensing; Fluorescent sensor; Molecular keypad lock
资金
- National Natural Science Foundation of China [20972170]
- State Key Laboratory of Oxo Synthesis & Selective Oxidation [OSSO2008kjk6]
- Natural Science Foundation of Gansu province [096RJ2A033]
A BODIPY-based derivative 1 containing hydrazone moiety has been developed as a colorimetric and fluorometric sensor for fluoride and hydrogen sulfate anions. The UV-vis absorption, fluorescent emission and partial H-1 NMR titrations experiments have been employed to study the sensing process. Sensor 1 could act as an efficient On-Off' fluorescent sensor for fluoride anions based on the deprotonation process. In the presence of fluoride anions, sensor 1 could act as an Off-On fluorescent sensor for hydrogen sulfate anions based on the reversible protonation process. Sensor 1 could also behave as a molecular keypad lock with sequential chemical inputs of F- and HSO4- ions. (C) 2012 Elsevier B.V. All rights reserved.
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