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Issue 6, 2018
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A boron imidazolate framework with mechanochromic and electrocatalytic properties

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Abstract

A new alkaline-stable anionic boron imidazolate framework, CdB(im)4(btec)0.5·H2O (BIF-89, im = imidazolate, btec = benzene-1,2,4,5-tetracarboxylate), was designed and synthesized. The resulting BIF-89 with a three-dimensional molecular structure exhibits a unique mechanochromic behavior with a maximum emission blue shift of about 23 nm in the blue emitting range. Additionally, the uncoordinated carboxylic groups in the BIF-89 framework can stabilize incorporation of Fe(III) at the atomic level to form Fe-immobilized BIF-89 (Fe@BIF-89), which can serve as an effective electrocatalyst for the oxygen evolution reaction in strongly alkaline media. The new BIF-89 expands the field of MOFs to luminescence mechanochromism and electrocatalytic applications without involving precious metals.

Graphical abstract: A boron imidazolate framework with mechanochromic and electrocatalytic properties

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Supplementary files

Article information


Submitted
20 Jul 2018
Accepted
05 Sep 2018
First published
05 Sep 2018

Mater. Horiz., 2018,5, 1151-1155
Article type
Communication

A boron imidazolate framework with mechanochromic and electrocatalytic properties

T. Wen, Y. Zheng, C. Xu, J. Zhang, M. Jaroniec and S. Qiao, Mater. Horiz., 2018, 5, 1151
DOI: 10.1039/C8MH00859K

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