In-Situ Growth of ZnO Whiskers on Ti2ZnC MAX Phases

Autor:	Yinan Ren, Zhihua Tian, Yan Zhang, Fushuo Wu, Hao Xie, Qianqian Zhang, Peigen Zhang, Zhengming Sun
Jazyk:	angličtina
Rok vydání:	2023
Předmět:	Ti2ZnC MAX phase crystal growth in-situ growth ZnO whiskers Technology Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
Zdroj:	Materials, Vol 16, Iss 10, p 3610 (2023)
Druh dokumentu:	article
ISSN:	16103610 1996-1944
DOI:	10.3390/ma16103610
Popis:	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.
Databáze:	Directory of Open Access Journals
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