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Issue 40, 2018
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Synthesis of ZIF-67 nanocubes with complex structures co-mediated by dopamine and polyoxometalate

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Abstract

Construction of metal–organic frameworks with sophisticated nanostructures remains a considerable challenge. Herein, we report the rational design and synthesis of ZIF-67 nanoscaffolds and defected nanocubes co-mediated by dopamine and polyoxometalate. The formation of these sophisticated ZIF-67 nanostructures is achieved through the protection of dopamine and etching of polyoxometalate. As a demonstration, we have converted the ZIF-67 nanoscaffolds incorporated with molybdenum into carbon-coated cobalt–molybdenum mixed selenides (denoted as CoMoSe@C nanoscaffolds) with little alteration in the structure by reacting the ZIF-67 nanoscaffolds with selenium powder at high temperature. Benefiting from their unique structural merits, the CoMoSe@C nanoscaffolds exhibit enhanced lithium storage properties in terms of good cycling performance and superior rate capability.

Graphical abstract: Synthesis of ZIF-67 nanocubes with complex structures co-mediated by dopamine and polyoxometalate

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Supplementary files

Article information


Submitted
22 Jul 2018
Accepted
20 Sep 2018
First published
24 Sep 2018

J. Mater. Chem. A, 2018,6, 19338-19341
Article type
Communication

Synthesis of ZIF-67 nanocubes with complex structures co-mediated by dopamine and polyoxometalate

H. B. Wu, B. Y. Guan, P. He and X. Yu, J. Mater. Chem. A, 2018, 6, 19338
DOI: 10.1039/C8TA07080F

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