Constructing a novel all-solid-state Z-scheme BiVO4/CQDs/FeVO4 photocatalyst and its enhancement to the photocatalytic activity

Sheetal Sharma, Vishal Dutta, Pankaj Raizada, Ahmad Hosseini-Bandegharaei, Vijay Kumar Thakur, Archana Singh, Quyet Van Le, Van-Huy Nguyen, Pardeep Singh

Research output: Contribution to journalArticlepeer-review

Abstract

A novel all-solid-state (ASS) Z-scheme BiVO4/CQDs/FeVO4 photocatalyst with highly enhanced photocatalytic performance was successfully fabricated via a simple hydrothermal technique. The photocatalytic activity of the as-prepared sample was evaluated by the degradation of methylene blue under visible-light irradiation. The ASS Z-scheme BiVO4/CQDs/FeVO4 photocatalyst decomposed 98% methylene blue after 120 min irradiation, which was greater than that of pristine BiVO4 and FeVO4. With unique structural configuration, ASS Z-scheme BiVO4/CQDs/FeVO4 heterojunction could enhance charge separation efficacy, improve redox ability, and prolong the lifetime of photo-excitons, resulting in remarkably improved durability and photocatalytic performance.
Original languageEnglish
Article number129940
JournalMaterials Letters
Early online date25 Apr 2021
DOIs
Publication statusFirst published - 25 Apr 2021

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