Issue 37, 2013
From the journal:

Journal of Materials Chemistry A

A novel highly luminescent LnMOF film: a convenient sensor for Hg2+ detecting†

Yi-Min Zhu,a   Cheng-Hui Zeng,ab   Tian-Shu Chu,a   Hong-Ming Wang,a   Yang-Yi Yang,*a   Ye-Xiang Tong,a   Cheng-Yong Sua  and  Wing-Tak Wongc  

* Corresponding authors

a MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou, P. R. China
E-mail: cesyyy@mail.sysu.edu.cn

b College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022 P. R. China

c Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, P. R. China

Abstract

A highly luminescent LnMOF {[Eu2(bqdc)3(H2O)(DMF)3]·0.5DMF·H2O}n (1, bqdc = 2,2′-biquinoline-4,4′-dicarboxylate) was designed and synthesized. It was characterized by single crystal X-ray diffraction, PXRD, TGA, EA and FT-IR. A new strategy for preparing mechanically robust MOF thin films was developed by electrodeposition in combination with subsequent solvothermal synthesis. A portable sensor device prototype consisting of a film of 1 was conveniently fabricated by using this new strategy and this sensor device exhibits a highly selective response to Hg2+. Its luminescence quenching can be distinguished clearly with the naked eye when illuminated by a handy UV banknote detector. The diffusion kinetics of Hg2+ into the LnMOF film is first proposed.

Graphical abstract: A novel highly luminescent LnMOF film: a convenient sensor for Hg2+ detecting

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Article information

DOI
https://doi.org/10.1039/C3TA11925D
Article type
Paper
Submitted
16 May 2013
Accepted
19 Jul 2013
First published
22 Jul 2013

J. Mater. Chem. A, 2013,1, 11312-11319

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A novel highly luminescent LnMOF film: a convenient sensor for Hg2+ detecting

Y. Zhu, C. Zeng, T. Chu, H. Wang, Y. Yang, Y. Tong, C. Su and W. Wong, J. Mater. Chem. A, 2013, 1, 11312 DOI: 10.1039/C3TA11925D

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