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Polymers 2018, 10(3), 274; doi:10.3390/polym10030274

Two Chemically Stable Cd(II) Polymers as Fluorescent Sensor and Photocatalyst for Aromatic Dyes

School of Chemistry and Environmental Engineering, Sichuan University of Science & Engineering, Zigong 643000, China
Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Guangxi University for Nationalities, College of Chemistry and Chemical Engineering, Nanning 530006, China
Dongguan Key Laboratory of Drug Design and Formulation Technology, Key Laboratory of Research and Development of New Medical Materials of Guangdong Medical University, School of Pharmacy, Guangdong Medical University, Dongguan 523808, China
Department of Chemistry, Faculty of Science, University of Lucknow, Lucknow 226 007, India
Authors to whom correspondence should be addressed.
Received: 24 January 2018 / Revised: 22 February 2018 / Accepted: 23 February 2018 / Published: 7 March 2018
(This article belongs to the Special Issue Coordination Polymer)
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Two new 2D Cd(II)-based coordination polymers (CPs), viz. [Cd2(H2L)2(2,2’-bipy)2] (1) and [Cd(L)0.5(phen)·0.5H2O] (2), have been constructed using ethylene glycol ether bridging tetracarboxylate ligand 5,5′(4,4′-phenylenebis(methyleneoxy)) diisophthalic acid (H4L). Both CPs behaved as profound fluorescent sensor for Fe3+ ion and nitro-aromatics (NACs), specifically 2,4,6-trinitrophenol (TNP). The stability at elevated temperature and photocatalytic behaviors of both 1 and 2 for photo-decomposition of aromatic dyes have also been explored. An attempt has been made to explore the plausible mechanism related with the decrease in fluorescence intensity of 1 and 2 in presence of NACs using theoretical calculations. Additionally, the probable mechanism of photo catalysis by 1 and 2 to photo-degrade aromatic dyes has been explained using density of states (DOS) calculations. View Full-Text
Keywords: chemosensor; photocatalyst; polymer; DOS chemosensor; photocatalyst; polymer; DOS

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Wang, J.; Wu, J.; Lu, L.; Ma, A.-Q.; Hu, W.-S.; Wu, W.-P.; Wu, Y.; Sun, Y.-C.; Singh, A.; Kumar, A. Two Chemically Stable Cd(II) Polymers as Fluorescent Sensor and Photocatalyst for Aromatic Dyes. Polymers 2018, 10, 274.

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