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Issue 32, 2013
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Top-down fabrication of hematite mesocrystals with tunable morphologies

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Abstract

Novel hematite mesocrystals including hierarchical microcones and microdiscs were synthesized by selective HCl etching of hematite pseudocubes. These porous mesocrystals adopting a single-crystal-like structure consist of radially aligned α-Fe2O3 nanorods, which elucidates the intrinsic mesocrystalline structure of the initial hematite pseudocubes. The hematite mesocrystals exhibited enhanced visible-light photocatalytic activity and high Cr(VI) removal capacity. This result provides an effective top-down approach towards mesocrystals with tunable morphologies and architectures.

Graphical abstract: Top-down fabrication of hematite mesocrystals with tunable morphologies

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Supplementary files

Article information


Submitted
07 Mar 2013
Accepted
01 May 2013
First published
03 May 2013

CrystEngComm, 2013,15, 6284-6288
Article type
Communication

Top-down fabrication of hematite mesocrystals with tunable morphologies

J. Cai, S. Chen, J. Hu, Z. Wang, Y. Ma and L. Qi, CrystEngComm, 2013, 15, 6284
DOI: 10.1039/C3CE40414E

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