新型Bi2WO6负载Ag3PO4异质结可见光催化剂的制备及其对甲苯的高效去除

IF 3.6 4区环境科学与生态学 Q2 BIOCHEMISTRY & MOLECULAR BIOLOGY

Environmental Pollutants and Bioavailability Pub Date : 2022-11-15 DOI:10.1080/26395940.2022.2146000

Qi Zhang, Yuyu Zhu, Liangyun Yu, Xuexing Dong, Yifan Wu, Bairen Yang, Qixin Xu

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引用次数: 2

摘要

摘要采用水热沉淀法制备了一种新型的Ag3PO4/Bi2WO6光催化剂。通过XRD、XPS、SEM、TEM、HRTEM、BET、UV-vis DRS、PL等表征了其结构和形貌。通过可见光下的甲苯光降解实验，证明了Ag3PO4/Bi2WO6的光催化性能优于Ag3PO4和Bi2WO6，因为它们能有效分离电子-空穴对。当Ag3PO4与Bi2WO6的摩尔比为1:2时，对甲苯的降解率在180 min内可达到80%。本研究为简单制备廉价高效的可见光降解VOCs纳米复合材料提供了新的思路。

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Preparation of a visible light catalyst of novel Bi2WO6 loaded Ag3PO4 heterojunction and its efficient removal of toluene

ABSTRACT Herein, a novel photocatalyst of Ag3PO4/Bi2WO6 was developed via hydrothermal and precipitation method. Its structure and morphology was characterized through XRD, XPS, SEM, TEM, HRTEM, BET, UV-vis DRS, PL, and so on. By employing toluene photodegradation experiment under visible light, the photocatalytic performance of Ag3PO4/Bi2WO6 was proved to be better than Ag3PO4 and Bi2WO6 alone due to the efficient separation of electron-hole pairs. When the molar ratio of Ag3PO4 to Bi2WO6 was 1:2, the degradation rate of toluene could reach 80% within 180 min. This study provided a new idea for the simple preparation of cheap and efficient nanocomposite materials for VOCs degradation by visible light.

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来源期刊

Environmental Pollutants and Bioavailability Chemical Engineering-Chemical Health and Safety

CiteScore

4.30

自引率

3.00%

发文量

审稿时长

13 weeks

期刊介绍： Environmental Pollutants & Bioavailability is a peer-reviewed open access forum for insights on the chemical aspects of pollutants in the environment and biota, and their impacts on the uptake of the substances by living organisms. Topics include the occurrence, distribution, transport, transformation, transfer, fate, and effects of environmental pollutants, as well as their impact on living organisms. Substances of interests include heavy metals, persistent organic pollutants, and emerging contaminants, such as engineered nanomaterials, as well as pharmaceuticals and personal-care products as pollutants.