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

Abstract

Crystalline materials with multi-catalytic applications are of great value to both fundamental researches 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. Besides, 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 catalyst both experimentally and theoretically.

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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, Accepted Manuscript
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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, Accepted Manuscript , DOI: 10.1039/C8DT02625D

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