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Issue 11, 2018
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Carbon nanodots in ZIF-8: synthesis, tunable luminescence and temperature sensing

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Abstract

A new hybrid material, CNDs@ZIF-8, has been synthesized by the calcination of ZIF-8 nanocrystals. Carbon nanodots (CNDs) are produced from the decomposition of organic ligands such as 2-methylimidazole, which are embedded in the interrupted cavities in the framework during 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, hybrid material CNDs@ZIF-8 exhibit tunable luminescence resulting from the inherent blue emission of ZIF-8 and the yellow emission of CNDs with different intensities 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 luminescence and adsorption properties.

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

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Supplementary files

Article information


Submitted
03 Jul 2018
Accepted
29 Jul 2018
First published
30 Jul 2018

Inorg. Chem. Front., 2018,5, 2739-2745
Article type
Research Article

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, 5, 2739
DOI: 10.1039/C8QI00637G

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