Issue 43, 2021, Issue in Progress

Facile synthesis of ZnO nanobullets by solution plasma without chemical additives

Abstract

ZnO nano-bullets were synthesized using solution plasma from only Zn electrode in water without any chemical agents. In this sustainable synthesis system, the rapid quenching reaction at the interface between the plasma/liquid phases facilitates the fast formation of nano-sized materials. The coil-to-pin type electrode geometry, which overcomes the discharge interruption owing to the electrode gap broadening of the typical pin-to-pin type enables the synthesis of numerous nanomaterials through a stable discharge for 1 h. The as-prepared samples exhibited a high crystalline ZnO structure without post calcination, and the length and width were 71.8 and 29.1 nm, respectively. The main exposed facet of ZnO nano-bullets was the (100) crystal facet, but interestingly, the (101) facet was confirmed at the inclined surfaces in the edges. The (101) crystal facet has an asymmetric Zn and O atom arrangement, and it could result in a focused electron density area with relatively high reactivity. Therefore, ZnO nano-bullets are promising materials for applications in advanced technologies.

Graphical abstract: Facile synthesis of ZnO nanobullets by solution plasma without chemical additives

Article information

Article type
Paper
Submitted
29 Jun 2021
Accepted
16 Jul 2021
First published
05 Aug 2021
This article is Open Access
Creative Commons BY license

RSC Adv., 2021,11, 26785-26790

Facile synthesis of ZnO nanobullets by solution plasma without chemical additives

K. Kim, S. Chae, P. G. Choi, T. Itoh, N. Saito and Y. Masuda, RSC Adv., 2021, 11, 26785 DOI: 10.1039/D1RA05008G

This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other publications without requesting further permissions from the RSC, provided that the correct acknowledgement is given.

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