A dithienosilole-based fluorescent chemosensor for multiple logic operations at the molecular level
文献类型： 外文期刊
第一作者： Zhang, Chen
作者： Zhang, Chen;Lu, Yahong;Wang, Junxing;He, Xingxing;Lu, Junting;Yin, Shouchun;Qiu, Huayu;Sun, Caixia
作者机构：
关键词： Fluorescent chemosensor;Logic gates;Dithienosilole;Terpyridine;Spectroscopic properties
期刊名称：SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY （ 影响因子：4.098； 五年影响因子：3.464 ）
ISSN：
年卷期：
页码：
收录情况： SCI
摘要： A chemosensor consisting of two terpyridines covalently linked to a dithienosilole unit (1) has been synthesized, and its optical and metal sensing properties have been investigated. Due to the metal-organic coordination function, 1 can bind with many transition metal ions and display different fluorescence responses that cause it to function as a "turn-off' fluorescent chemosensor. A significant bathochromic shift in the fluorescence spectra is observed in the presence of Zn2+. Meanwhile, the emission of 1 is weakened upon exposure to Ag+ and Fe2+ and completely quenched by Ni2+, Co2+, and Cu2+. Based on the observed results, several logic gates, such as XNOR, INHIBIT, and IMPLICATION, have been achieved by controlling the chemical inputs. (C) 2015 Elsevier B.V. All rights reserved.
分类号： O657.3
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