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Materials 2013, 6(6), 2497-2507; doi:10.3390/ma6062497

Mechanism of Generation of ZnO Microstructures by Microwave-Assisted Hydrothermal Approach

1 Department of Materials Science and Engineering, Texas A&M University, College Station, TX 77843, USA 2 Department of Biomedical Engineering, 5045 ETB, Texas A&M University, TX 77843, USA
* Author to whom correspondence should be addressed.
Received: 15 March 2013 / Revised: 21 May 2013 / Accepted: 13 June 2013 / Published: 18 June 2013
(This article belongs to the Section Structure Analysis and Characterization)
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In this report, a technique for rapid synthesis of ZnO microstructures by microwave-assisted heating of precursors at hydrothermal conditions is demonstrated. Further, the reaction mechanism for the growth of ZnO microstructures is analyzed. An accelerated rate of reaction obtained using microwaves enables a dissolution-recrystallization mechanism for generation of one dimensional (1D) rod-like structures, thereby showing that time of reaction can be used to dictate ZnO microstructure morphology.
Keywords: microwave-assisted; zinc oxide; hydrothermal; hemimorphite microwave-assisted; zinc oxide; hydrothermal; hemimorphite
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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Majithia, R.; Speich, J.; Meissner, K.E. Mechanism of Generation of ZnO Microstructures by Microwave-Assisted Hydrothermal Approach. Materials 2013, 6, 2497-2507.

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