Size control mechanism of ZnO nanoparticles obtained in microwave solvothermal synthesis
Authors:
- Jacek Wojnarowicz,
- Tadeusz Chudoba,
- Iwona Koltsov,
- Stanislaw Gierlotka,
- Sylwia Dworakowska,
- Witold Lojkowski
Abstract
The aim of the paper is to explain the mechanism of zinc oxide (ZnO) nanoparticle (NP) size control, which enables the size control of ZnO NPs obtained in microwave solvothermal synthesis (MSS) within the size range between circa 20 and 120 nm through the control of water content in the solution of zinc acetate in ethylene glycol. Heavy water was used in the tests. The mechanism of ZnO NPs size control was explained, discussed and experimentally verified. The discovery and investigation of this mechanism was possible by tracking the fate of water molecules during the whole synthesis process. All the synthesis products were identified. It was indicated that the MSS of ZnO NPs proceeded through the formation and conversion of intermediates such as Zn5(OH)8(CH3COO)2 centerdot xH2O. Esters and H2O were the by-products of the MSS reaction of ZnO NPs. We justified that the esterification reaction is the decisive stage that is a prerequisite of the formation of ZnO NPs. The following parameters of the obtained ZnO NPs and of the intermediate were determined: pycnometric density, specific surface area, phase purity, average particles size, particles size distribution and chemical composition. The ZnO NPs morphology and structure were determined using scanning electron microscopy.
- Record ID
- CUT9d34dbd96c5f4b1bbfbdc26258f0370e
- Publication categories
- ;
- Author
- Journal series
- Nanotechnology, ISSN 0957-4484, e-ISSN 1361-6528
- Issue year
- 2018
- Vol
- 29
- No
- 6
- Pages
- [1-23]
- Article number
- 065601
- Other elements of collation
- rys.; tab.; wykr.; Bibliografia (na s.) - 21-23; Bibliografia (liczba pozycji) - 65; Oznaczenie streszczenia - Abstr.; Numeracja w czasopiśmie - Vol. 29, No 6
- Keywords in English
- zinc oxide nanoparticles (ZnO NPs), size control mechanism of ZnO NPs, microwave solvothermal synthesis (MSS), esterification reaction
- DOI
- DOI:10.1088/1361-6528/aaa0ef Opening in a new tab
- URL
- http://iopscience.iop.org/article/10.1088/1361-6528/aaa0ef/meta#nanoaaa0efs1 Opening in a new tab
- Language
- eng (en) English
- Score (nominal)
- 35
- Publication indicators
- = 65
- Additional fields
- Indeksowana w: Web of Science, Scopus
- Uniform Resource Identifier
- https://cris.pk.edu.pl/info/article/CUT9d34dbd96c5f4b1bbfbdc26258f0370e/
- URN
urn:pkr-prod:CUT9d34dbd96c5f4b1bbfbdc26258f0370e
* presented citation count is obtained through Internet information analysis, and it is close to the number calculated by the Publish or PerishOpening in a new tab system.