Chromogenic mercury ions recognition of a new ruthenium(II) complex with cyclometalated 2-(2-thienyl)pyridine in CH3CN-aqueous system |
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| Affiliation: | 1. Department of Chemical and Materials Engineering and Green Technology Research Center, Chang Gung University, Kwei-shan, Taoyuan 333, Taiwan;2. Green Energy and Environment Research Laboratories, Industrial Technology Research Institute (ITRI), Hsin-Chu 310, Taiwan;1. Key Laboratory of Preparation and Applications of Environmentally Friendly Materials (Jilin Normal University), Ministry of Education China, Siping 136000, China;2. College of Chemistry, Jilin Normal University, Siping 136000, China;3. College of Chemistry, Baicheng Normal University, Baicheng, 130032, China;4. Siping Institute for Food and Drug Control, Siping 136000, China;1. Department of Chemistry, College of Sciences, Shiraz University, Shiraz 71467-13565, Iran;2. Department of Chemistry, Shiraz Branch, Islamic Azad University, Shiraz 71993-37635, Iran;3. Department of Chemistry, Sharif University of Technology, Tehran 11155-3516, Iran;1. Department of Organic Chemistry, Faculty of Chemistry, University of Lodz, 91-403 Lodz, Poland;2. Laboratory of Separation and Spectroscopic Methods Applications, Center for Interdisciplinary Research, The John Paul II Catholic University of Lublin, al. Krasnicka 102, 20-718 Lublin, Poland;3. Screening Laboratory, Institute of Medical Biology of the Polish Academy of Sciences, Lodz 92-232, Poland;4. Department of Theoretical and Structural Chemistry, Faculty of Chemistry, University of Lodz, 90-236 Pomorska 163/165, Lodz, Poland;5. Faculty of Biology and Chemistry, Department of Theoretical Chemistry, University of Bialystok, Bialystok 15-399, Poland |
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| Abstract: | A new cyclometalated complex [Ru(II)(deeb)2(thpy)]PF6 (1) was synthesized using 4,4′-diethylester-2,2′-bipyridine (deeb) and 2-(2-thienyl)pyridine (thpy) as ligands. Its maximum MLCT absorption is about 575 nm, extending beyond 750 nm. When Hg2 + was added to the CH3CN-aqueous solution of 1, a remarkable color change from dark-red to yellow with a blue-shift of 120 nm occurred, which indicated that the as-prepared complex 1 can serve as a sensitive “naked-eye” indicator for Hg2 +. |
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