Structure, Adsorptive and Photocatalytic Properties of Porous ZnO Nanopowders Modified by Oxide Compounds of Manganese
- 作者: Gavrilova M.1, Gavrilova D.1, Evstropiev S.1,2,3, Nikonorov N.2
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隶属关系:
- Saint Petersburg State Institute of Technology (Technical University)
- ITMO University
- Vavilov State Optical Institute
- 期: 卷 69, 编号 3 (2024)
- 页面: 385-393
- 栏目: STRUCTURE, MAGNETIC AND OPTICAL PROPERTIES OF MATERIALS
- URL: https://journals.rcsi.science/0044-457X/article/view/262891
- DOI: https://doi.org/10.31857/S0044457X24030128
- EDN: https://elibrary.ru/YDSZAY
- ID: 262891
如何引用文章
详细
Porous nanocomposites based on oxide compounds of zinc and manganese are synthesized and their structure, morphology, spectral and photocatalytic properties are studied. It is shown that the resulting porous oxide composites have photocatalytic properties and consist of ZnO, Mn3O4 and ZnMn2O4 nanocrystals with a size of 20–40 nm. The introduction of Mn2+ ions into the crystal lattice of ZnO causes a increase in the size of the unit cell of crystals. The band gap of the composites is 3.26 eV. The kinetics of photocatalytic decomposition in a Chicago Blue Sky dye solution is described by a pseudo-first order equation. In the presence of porous nanocomposites, the processes of oxidation of organic compounds proceed both on the surface of photocatalysts and in solution. The synthesized nanocomposites are promising for use in photocatalytic systems for water purification from organic contaminants.
作者简介
M. Gavrilova
Saint Petersburg State Institute of Technology (Technical University)
编辑信件的主要联系方式.
Email: amonrud@yandex.ru
俄罗斯联邦, Saint Petersburg
D. Gavrilova
Saint Petersburg State Institute of Technology (Technical University)
Email: amonrud@yandex.ru
俄罗斯联邦, Saint Petersburg
S. Evstropiev
Saint Petersburg State Institute of Technology (Technical University); ITMO University; Vavilov State Optical Institute
Email: amonrud@yandex.ru
俄罗斯联邦, Saint Petersburg; Saint Petersburg; Saint Petersburg
N. Nikonorov
ITMO University
Email: amonrud@yandex.ru
俄罗斯联邦, Saint Petersburg
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