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Issue 1, 2019
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Mesocrystals for photocatalysis: a comprehensive review on synthesis engineering and functional modifications

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Abstract

Mesocrystals are a new class of superstructures that are generally made of crystallographically highly ordered nanoparticles and could function as intermediates in a non-classical particle-mediated aggregation process. In the past decades, extensive research interest has been focused on the structural and morphogenetic aspects, as well as the growth mechanisms, of mesocrystals. Unique physicochemical properties including high surface area and ordered porosity provide new opportunities for potential applications. In particular, the oriented interfaces in mesocrystals are considered to be beneficial for effective photogenerated charge transfer, which is a promising photocatalytic candidate for promoting charge carrier separation. Only recently, remarkable advances have been reported with a special focus on TiO2 mesocrystal photocatalysts. However, there is still no comprehensive overview on various mesocrystal photocatalysts and their functional modifications. In this review, different kinds of mesocrystal photocatalysts, such as TiO2 (anatase), TiO2 (rutile), ZnO, CuO, Ta2O5, BiVO4, BaZrO3, SrTiO3, NaTaO3, Nb3O7(OH), In2O3−x(OH)y, and AgIn(WO4)2, are highlighted based on the synthesis engineering, functional modifications (including hybridization and doping), and typical structure-related photocatalytic mechanisms. Several current challenges and crucial issues of mesocrystal-based photocatalysts that need to be addressed in future studies are also given.

Graphical abstract: Mesocrystals for photocatalysis: a comprehensive review on synthesis engineering and functional modifications

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Article information


Submitted
05 Sep 2018
Accepted
14 Sep 2018
First published
17 Sep 2018

This article is Open Access

Nanoscale Adv., 2019,1, 34-63
Article type
Review Article

Mesocrystals for photocatalysis: a comprehensive review on synthesis engineering and functional modifications

S. Sun, X. Yu, Q. Yang, Z. Yang and S. Liang, Nanoscale Adv., 2019, 1, 34
DOI: 10.1039/C8NA00196K

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