Photocatalytic Properties of Zinc Oxide Prepared by Combustion of Jellied Precursor

被引：2
作者：
Zazhigalov, V. O. [1 ]
Brazhnyk, D. V. [1 ]
Sachuk, O. V. [2 ]
Kiziun, O. V. [1 ]
Bacherikova, I. V. [1 ]
Alessandri, I. [3 ]
Depero, L. E. [3 ]
机构：
[1] NAS Ukraine, Inst Sorpt & Problems Endoecol, Kiev, Ukraine
[2] State Sci Res Forens Ctr MIA Ukraine, Kiev, Ukraine
[3] Brescia Univ, Via Branze 38, Brescia, Italy
来源：
THEORETICAL AND EXPERIMENTAL CHEMISTRY | 2023年 / 59卷 / 01期
关键词：
zinc oxide; gel combustion method; photocatalysis; rhodamine B; metronidazole; AZO-DYE; ZNO; DEGRADATION; PHOTODEGRADATION; NANOPARTICLES; OXIDATION; CATALYST; WATER;
D O I：
10.1007/s11237-023-09761-w
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
It is shown that zinc oxide synthesized by combustion of jellied precursor forms well-crystallized micro-sized particles when treated at 600 degrees C. It is shown that these particles reveal high photocatalytic activity in rhodamine B dye and metronidazole degradation processes in an aqueous medium, exceeding the activity of commercial nano-sized samples of ZnO. The activity increase of the synthesized sample is connected with the presence of oxygen vacancies, which provides to formation of the charged oxygen species and OH groups on the oxide surface. The formation of zinc oxide microcrystals contributes to the separation of photogenerated charges and reduces the probability of their recombination.
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收藏
页码：25 / 31
页数：7
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