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Guest-induced reversible crystal-to-amorphous-to-crystal transformation in a Co(II)-based metal–organic framework

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Abstract

Guest-induced reversible crystal-to-amorphous-to-crystal transformation was obtained in a Co(II)-based metal–organic framework (MOF), DPPB-1, accompanied by a colour change. In this study, amorphous samples (DPPB-2) exhibited a notably high adsorption capacity for methanol (8.25 mmol g−1) and ethanol (7.99 mmol g−1). These samples also showed a high adsorption selectivity for methanol or ethanol over volatile organic compounds, which was further confirmed by density functional theory (DFT) calculations and non-covalent interaction (NCI) analysis. Such unique properties endowed DPPB-1 with a promising potential for applications in the field of methanol/ethanol separation and sensing materials.

Graphical abstract: Guest-induced reversible crystal-to-amorphous-to-crystal transformation in a Co(ii)-based metal–organic framework

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Publication details

The article was received on 07 Aug 2018, accepted on 01 Oct 2018 and first published on 02 Oct 2018


Article type: Paper
DOI: 10.1039/C8CE01324A
Citation: CrystEngComm, 2018, Advance Article
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    Guest-induced reversible crystal-to-amorphous-to-crystal transformation in a Co(II)-based metal–organic framework

    H. Tan, Q. Chen, Y. Sheng, X. Li and H. Liu, CrystEngComm, 2018, Advance Article , DOI: 10.1039/C8CE01324A

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