In-Situ Growth of ZnO Whiskers on Ti2ZnC MAX Phases
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Published:2023-05-09
Issue:10
Volume:16
Page:3610
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ISSN:1996-1944
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Container-title:Materials
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language:en
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Short-container-title:Materials
Author:
Ren Yinan1, Tian Zhihua1ORCID, Zhang Yan1, Wu Fushuo1, Xie Hao12, Zhang Qianqian1, Zhang Peigen1ORCID, Sun Zhengming1
Affiliation:
1. Jiangsu Key Laboratory of Advanced Metallic Materials, School of Materials Science and Engineering, Southeast University, Nanjing 211189, China 2. Liyang Zichen New Material Technology Co., Ltd., Changzhou 213000, China
Abstract
ZnO whiskers have many applications, such as in medical and photocatalysis fields. In this study, an unconventional preparation approach is reported, realizing the in-situ growth of ZnO whiskers on Ti2ZnC. The weak bonding between the layer of Ti6C-octahedron and the Zn-atom layers leads to the easy extraction of Zn atoms from Ti2ZnC lattice points, resulting in the formation of ZnO whiskers on the Ti2ZnC surface. This is the first time that ZnO whiskers have been found to grow in-situ on Ti2ZnC substrate. Further, this phenomenon is amplified when the size of the Ti2ZnC grains is mechanically reduced by ball-milling, which bodes a promising route to prepare ZnO in-situ on a large scale. Additionally, this finding can also help us better understand the stability of Ti2ZnC and the whiskering mechanism of MAX phases.
Funder
the National Natural Science Foundation of China the Natural Science Foundation of Jiangsu Province
Subject
General Materials Science
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