Catalysts 2016, 6(12), 188; https://doi.org/10.3390/catal6120188
The Applications of Morphology Controlled ZnO in Catalysis
Yuhai Sun 1
, Limin Chen 1,2,*
, Yunfeng Bao 1, Yujun Zhang 1, Jing Wang 1, Mingli Fu 1, Junliang Wu 1 and Daiqi Ye 1,2
, Limin Chen 1,2,*
, Yunfeng Bao 1, Yujun Zhang 1, Jing Wang 1, Mingli Fu 1, Junliang Wu 1 and Daiqi Ye 1,2
1
Guangdong Provincial Key Laboratory of Atmospheric Environment and Pollution Control, School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China
2
Guangdong Provincial Engineering and Technology Research Center for Environmental Risk Prevention and Emergency Disposal, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China
*
Author to whom correspondence should be addressed.
Academic Editors: Keith Hohn and Leonarda F. Liotta
Received: 29 July 2016 / Revised: 24 October 2016 / Accepted: 9 November 2016 / Published: 30 November 2016
Abstract
Zinc oxide (ZnO), with the unique chemical and physical properties of high chemical stability, broad radiation absorption range, high electrochemical coupling coefficient, and high photo-stability, is an attractive multifunctional material which has promoted great interest in many fields. What is more, its properties can be tuned by controllable synthesized morphologies. Therefore, after the success of the abundant morphology controllable synthesis, both the morphology-dependent ZnO properties and their related applications have been extensively investigated. This review concentrates on the properties of morphology-dependent ZnO and their applications in catalysis, mainly involved reactions on green energy and environmental issues, such as CO2 hydrogenation to fuels, methanol steam reforming to generate H2, bio-diesel production, pollutant photo-degradation, etc. The impressive catalytic properties of ZnO are associated with morphology tuned specific microstructures, defects or abilities of electron transportation, etc. The main morphology-dependent promotion mechanisms are discussed and summarized. View Full-TextKeywords:
ZnO; morphologies; polar facets; oxygen vacancies; defects; strong metal-support interactions (SMSI); acid-base properties; electron-hole recombination; band gap; catalytic activities
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Sun, Y.; Chen, L.; Bao, Y.; Zhang, Y.; Wang, J.; Fu, M.; Wu, J.; Ye, D. The Applications of Morphology Controlled ZnO in Catalysis. Catalysts 2016, 6, 188.
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