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

A novel highly luminescent LnMOF film: a convenient sensor for Hg2+ detecting 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. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Materials Chemistry A Royal Society of Chemistry

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

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Royal Society of Chemistry
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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.

Journal

Journal of Materials Chemistry ARoyal Society of Chemistry

Published: Aug 28, 2013

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