期刊
ANALYTICA CHIMICA ACTA
卷 793, 期 -, 页码 99-106出版社
ELSEVIER
DOI: 10.1016/j.aca.2013.07.023
关键词
Hexaphenylbenzene; AIEE; Hg2+ chemosensor; Self assembled nanofibres; Femtogram level detection of PA
资金
- DST [SR/S1/OC-63/2010]
- UGC (New Delhi) for JRF
Aggregates of hexaphenylbenzene derivatives 3, having pyrene groups form network of fluorescent nanofibres in presence of mercury ions. Further, fluorescent nanofibres of 3-Hg2+ supramolecular ensemble exhibit sensitive and pronounced response towards the picric acid. In addition, the solution coated paper strips of 3-Hg2+ supramolecular ensemble can detect picric acid in the range of 2.29 fg/cm(2), thus, providing a simple, portable and low cost method for detection of picric acid in solution and in contact mode. (C) 2013 Elsevier B.V. All rights reserved.
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