Fabrication of ZnO/Ag photocatalyst and its photocatalytic degradation properties on trimethylamine

IF 2.2 4区 化学 Q3 CHEMISTRY, MULTIDISCIPLINARY
Zhen Fan, Chunxia Li, Meijie Xu
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Abstract

ZnO/Ag nanocomposite was prepared via in situ method by using silver nitrate and ZnSO4 as the raw material. ZnO and ZnO/Ag were characterized by utilizing SEM, UV-vis, XRD, FTIR, and so on. The photocataytic degradation behaviors of ZnO and ZnO/Ag for trimethylamine (TEA) in air and solution were studied. The results indicated that ZnO/Ag had better photocatalytic degradation properties on trimethylamine under the condition of 0.06 g catalyst, 2 h photocatalytic time, and 15 A light intensity, and the degradation rates of TEA were up to 44 and 67% in air and solution, respectively. Furtherly, ZnO and ZnO/Ag also indicated perfect photocatalytic degradation properties toward to organic compounds in wastewater. Especially, the harmless treatment of triethylamine was achieved by using photocatalytic degradation method that provided a novel method for treating triethylamine. In all the above results leaded to a good application prospect of ZnO/Ag in the degradation of organic compounds in air and solution.

Abstract Image

氧化锌/银光催化剂的制备及其对三甲胺的光催化降解性能
以硝酸银和 ZnSO4 为原料,通过原位法制备了 ZnO/Ag 纳米复合材料。利用 SEM、UV-vis、XRD、FTIR 等对 ZnO 和 ZnO/Ag 纳米复合材料进行了表征。研究了 ZnO 和 ZnO/Ag 在空气和溶液中对三甲胺(TEA)的光催化降解行为。结果表明,在 0.06 g 催化剂、2 h 光催化时间和 15 A 光强条件下,ZnO/Ag 对三乙胺具有更好的光催化降解性能,在空气和溶液中对三乙胺的降解率分别高达 44% 和 67%。此外,ZnO 和 ZnO/Ag 对废水中的有机化合物也具有完美的光催化降解性能。尤其是利用光催化降解方法实现了对三乙胺的无害化处理,为处理三乙胺提供了一种新方法。综上所述,ZnO/Ag 在降解空气和溶液中的有机化合物方面具有良好的应用前景。
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来源期刊
CiteScore
4.40
自引率
8.30%
发文量
230
审稿时长
5.6 months
期刊介绍: JICS is an international journal covering general fields of chemistry. JICS welcomes high quality original papers in English dealing with experimental, theoretical and applied research related to all branches of chemistry. These include the fields of analytical, inorganic, organic and physical chemistry as well as the chemical biology area. Review articles discussing specific areas of chemistry of current chemical or biological importance are also published. JICS ensures visibility of your research results to a worldwide audience in science. You are kindly invited to submit your manuscript to the Editor-in-Chief or Regional Editor. All contributions in the form of original papers or short communications will be peer reviewed and published free of charge after acceptance.
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