Issue 40, 2018

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

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

Supplementary files

Article information

Article type
Communication
Submitted
22 Qad 2018
Accepted
20 Way 2018
First published
24 Way 2018

J. Mater. Chem. A, 2018,6, 19338-19341

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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