期刊
JOURNAL OF HAZARDOUS MATERIALS
卷 389, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jhazmat.2019.121907
关键词
Type II; Z-Scheme; Heterojunction; Dual pathways; Ag3PO4/Co-3(PO4)(2)/g-C3N4
资金
- National Natural Science Foundation of China [21906072, 31971616]
- Natural Science Foundation of Jiangsu Province [BK20190982]
- Doctoral Scientific Research Foundation of Jiangsu University of Science and Technology (China) [1062931806, 1142931803]
- Science and Technology Innovation Development Plan of Jilin City [201830811]
- Science Development Project of Jilin City [20190104056]
- Natural Science Foundation Project of Jilin Provincial Science and Technology Development Plan [20190104120]
A novel ternary Ag3PO4/Co-3(PO4)(2)/g-C3N4 (APO/CPO/CN) heterostructure photocatalyst was successfully synthesized via a simple precipitation method for photocatalytic degradation of tetracycline (TC) under visible light irradiation. The experimental result reveals that the ternary APO/CPO/CN heterojunction showed enhanced photocatalytic performance compared with single semiconductor CPO and CN, binary composite CPO/CN. And APO/CPO/CN-15 % composite exhibits highest photocatalytic degradation efficiency, which can degrade TC around 88 % under visible light within 120 min. The enhanced photocatalytic performance is due to the synergy effects between CPO, CN and APO with the aid of following Z-scheme and Type II heterojunction dual pathways for effective separation of photogenerated charges. This work provides a new approach in the rational design of ternary heterojunction photocatalyst with multilevel electron transfer for environmental decontamination.
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