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Issue 35, 2018
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A multifunctional Co-based metal–organic framework: heterogeneous catalysis, chemiluminescence sensing and moisture-dependent solvatochromism

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Abstract

Crystalline materials with multi-catalytic applications are of great value to both fundamental research and practical applications. The platform of metal–organic frameworks (MOFs) is utilized to fabricate a microporous versatile catalyst with high stability. Self-assembly of a flexible ligand, 4-(4-carboxybenzylamino)benzoic acid (H2CBBA), with Co(II) resulted in a 3D framework, CBBA-Co, with Co3O clusters exposed in the zigzag channels. Upon in situ activation, CBBA-Co exhibited multiple heterogeneous catalytic activities. Theoretical calculations were carried out to give insights into the catalytic process. In addition, CBBA-Co also showed promising potential in optical sensing by virtue of its catalytic activity. The luminol chemiluminescence was greatly enhanced by CBBA-Co, and linear determination of the concentration of H2O2 in the range of 0–30% was established. The successful implementation of CBBA-Co indicates the feasibility and promising future of employing MOFs as an efficient platform for the fabrication and study of multifunctional catalysts, both experimentally and theoretically.

Graphical abstract: A multifunctional Co-based metal–organic framework: heterogeneous catalysis, chemiluminescence sensing and moisture-dependent solvatochromism

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Publication details

The article was received on 28 Jun 2018, accepted on 08 Aug 2018 and first published on 09 Aug 2018


Article type: Paper
DOI: 10.1039/C8DT02625D
Citation: Dalton Trans., 2018,47, 12406-12413
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    A multifunctional Co-based metal–organic framework: heterogeneous catalysis, chemiluminescence sensing and moisture-dependent solvatochromism

    M. Xie, Y. Wang, R. Li, P. Dong, G. Hou, R. Shao, X. Xi, R. Guan and X. Yang, Dalton Trans., 2018, 47, 12406
    DOI: 10.1039/C8DT02625D

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