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Carbon nanodots in ZIF-8: synthesis, tunable luminescence and temperature sensing

Abstract

A new hybird material CNDs@ZIF-8 has been synthesized by the low temperature calcination of ZIF-8 nanocrystals. Carbon nanodots (CNDs) are produced from the decomposition of organic ligands 2-methylimidazole, which are embeded in the interrupted cavities in the framework during the calcination. The resultant CNDs@ZIF-8 composites not only possess the intact structure of ZIF-8, but also have slightly enhanced adsorption ability and higher BET surface area compared to ZIF-8. Moreover, hybird material CNDs@ZIF-8 exhibits tunable luminescence resulting from the inherent blue emission of ZIF-8 and the yellow emission of CNDs with different intensity controlled by the calcination time. The CNDs@ZIF-8 composites can also be used as temperature sensors. This work paves a feasible way for the development of CNDs@MOF materials with both of luminescence and adsorption properties.

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Publication details

The article was received on 03 Jul 2018, accepted on 29 Jul 2018 and first published on 30 Jul 2018


Article type: Research Article
DOI: 10.1039/C8QI00637G
Citation: Inorg. Chem. Front., 2018, Accepted Manuscript
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    Carbon nanodots in ZIF-8: synthesis, tunable luminescence and temperature sensing

    Y. Wang, B. Wang, H. Shi, C. Zhang, C. Tao and J. Li, Inorg. Chem. Front., 2018, Accepted Manuscript , DOI: 10.1039/C8QI00637G

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