Facile Preparation of ZnO Nanoparticles and AgZnO Nanocomposite and Their Photocatalytic Activities under Visible Light
Joint Authors
Vu, Anh Tuan
Pham, Thi Anh Tuyet
Tran, Van Anh
Le, Van Duong
Nguyen, Minh Viet
Truong, Duc Duc
Do, Xuan Truong
Source
International Journal of Photoenergy
Issue
Vol. 2020, Issue 2020 (31 Dec. 2020), pp.1-14, 14 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2020-10-22
Country of Publication
Egypt
No. of Pages
14
Main Subjects
Abstract EN
Zinc oxide (ZnO) has been known as an excellent photocatalyst for the degradation of a variety of organic pollutants under UV irradiation.
This work describes a synthesis of ZnO nanoparticles via a facile precipitation method, and Ag was doped into Ag/ZnO nanocomposite to improve the photocatalytic degradation of BPA under visible light irradiation.
The obtained ZnO nanoparticles were 20 nm in size and had a relatively high surface area and pore volume, 26.2 m2/g and 0.48 cm3/g, respectively.
The deposition of Ag led to a decrease in the surface area, pore volume, and band gap energy (Eg) of ZnO nanoparticles.
However, the photocatalytic activity of Ag/ZnO composite in the case increased.
The performance of ZnO was compared with Ag/ZnO composites at the different molar ratios, and the kinetic reaction of BPA in these catalysts was investigated by the first-order kinetic model.
The sample of Ag/ZnO-10 composite had the highest catalytic activity and showed the degradation efficiency, reaction rate, and degradation capacity of 100% in 120 min, 0.014 min-1, and 40 mg/g, respectively.
In comparison, the effects of Ag/ZnO molar ratio, catalyst dosage, solution pH, and concentration of BPA on photocatalytic degradation were investigated.
Additionally, the photocatalytic performance of Ag/ZnO-10 composite was evaluated by the degradation of other persistent organic compounds such as phenol, tartrazine, and methylene blue and compared to other catalysts in literature.
American Psychological Association (APA)
Pham, Thi Anh Tuyet& Tran, Van Anh& Le, Van Duong& Nguyen, Minh Viet& Truong, Duc Duc& Do, Xuan Truong…[et al.]. 2020. Facile Preparation of ZnO Nanoparticles and AgZnO Nanocomposite and Their Photocatalytic Activities under Visible Light. International Journal of Photoenergy،Vol. 2020, no. 2020, pp.1-14.
https://search.emarefa.net/detail/BIM-1173298
Modern Language Association (MLA)
Pham, Thi Anh Tuyet…[et al.]. Facile Preparation of ZnO Nanoparticles and AgZnO Nanocomposite and Their Photocatalytic Activities under Visible Light. International Journal of Photoenergy No. 2020 (2020), pp.1-14.
https://search.emarefa.net/detail/BIM-1173298
American Medical Association (AMA)
Pham, Thi Anh Tuyet& Tran, Van Anh& Le, Van Duong& Nguyen, Minh Viet& Truong, Duc Duc& Do, Xuan Truong…[et al.]. Facile Preparation of ZnO Nanoparticles and AgZnO Nanocomposite and Their Photocatalytic Activities under Visible Light. International Journal of Photoenergy. 2020. Vol. 2020, no. 2020, pp.1-14.
https://search.emarefa.net/detail/BIM-1173298
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1173298