The morphology control and full-spectrum photodegradation tetracycline performance of microwave-hydrothermal synthesized BiVO4:Yb3+,Er3+ photocatalyst

Q3 Energy 燃料化学学报 Pub Date : 2025-03-01 DOI:10.1016/S1872-5813(24)60514-1

Jiahui YU, Jixian DONG, Yutong ZHAO, Fuping ZHAO, Bo GE, Xipeng PU, Dafeng ZHANG

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Abstract

By adjusting the pH value of the precursor solution, different morphologies of BiVO₄:Yb³⁺,Er³⁺-X (BYE-X) were successfully synthesized via a facile microwave hydrothermal method. Tetracycline was employed as a model pollutant to evaluate the full-spectrum photocatalytic activity of BYE-X samples. The experimental results revealed that when the pH ranged from 3 to 8, BYE showed pure monoclinic BiVO₄ phase. At pH values of 10–12, the synthesized samples had mixed phases of Bi₂O(OH)(VO₄), Bi₂O₃, and BiVO₄. In addition, a notable variation in the morphological characteristics of BYE was observed with the increasing pH values. The samples of different pH values showed obvious up-conversion luminescence. Due to the up-conversion of Er³⁺ and Yb³⁺, the near-infrared (NIR) light was effectively utilized, successfully broadening the light response range. Under the visible or NIR light irradiation, BYE-5 demonstrated the optimal photodegradation activity. Based on the experimental results, a mechanism for full-spectrum photocatalysis was proposed. This work provides a feasible approach to improve the solar light utilization rate of semiconductor catalysts, thereby achieving efficient full-spectrum photocatalytic activity.

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来源期刊

燃料化学学报 Chemical Engineering-Chemical Engineering (all)

CiteScore

2.80

自引率

0.00%

发文量

5825

期刊介绍： Journal of Fuel Chemistry and Technology (Ranliao Huaxue Xuebao) is a Chinese Academy of Sciences(CAS) journal started in 1956, sponsored by the Chinese Chemical Society and the Institute of Coal Chemistry, Chinese Academy of Sciences(CAS). The journal is published bimonthly by Science Press in China and widely distributed in about 20 countries. Journal of Fuel Chemistry and Technology publishes reports of both basic and applied research in the chemistry and chemical engineering of many energy sources, including that involved in the nature, processing and utilization of coal, petroleum, oil shale, natural gas, biomass and synfuels, as well as related subjects of increasing interest such as C1 chemistry, pollutions control and new catalytic materials. Types of publications include original research articles, short communications, research notes and reviews. Both domestic and international contributors are welcome. Manuscripts written in Chinese or English will be accepted. Additional English titles, abstracts and key words should be included in Chinese manuscripts. All manuscripts are subject to critical review by the editorial committee, which is composed of about 10 foreign and 50 Chinese experts in fuel science. Journal of Fuel Chemistry and Technology has been a source of primary research work in fuel chemistry as a Chinese core scientific periodical.