Heterojunction-Forming In–NiS/In2O3 Nanoparticles for the Photocatalytic Degradation of Tetracycline under Full Solar Spectrum Response

Exploring full solar spectrum-responsive heterojunction photocatalysts continues to pose significant challenges. In this study, In–NiS/In2O3 heterojunctions are constructed by introducing a high concentration of low-coordination-vacancy atoms for photocatalytic degradation of tetracycline (TC). In–N...

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Published inACS applied nano materials Vol. 7; no. 15; pp. 17424 - 17431
Main Authors Ren, Zhenxing, Li, Yang, Ren, Qiuyu, Zhou, Hongbo, Zhang, Xiaojie, Wang, Mengliang, Liu, Xinjuan, Pan, Likun
Format Journal Article
LanguageEnglish
Published American Chemical Society 09.08.2024
Subjects
indium oxide
full solar spectrum-responsive
heterojunctions
antibiotics
nickel sulfide
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Summary:Exploring full solar spectrum-responsive heterojunction photocatalysts continues to pose significant challenges. In this study, In–NiS/In2O3 heterojunctions are constructed by introducing a high concentration of low-coordination-vacancy atoms for photocatalytic degradation of tetracycline (TC). In–NiS/In2O3 heterojunctions show a nanoparticle structure and good light absorption in the full solar spectrum with 200–2400 nm and achieve the highest degradation rate of 99.3% under infrared light irradiation, as well as favorable photostability. The improved photocatalytic activity is attributed to the enhanced light absorption range and charge separation efficiency owing to the introduction of low-coordination-vacancy atoms. Moreover, the main active species are h+ and·O2 – in the TC degradation process.
ISSN:2574-0970
2574-0970
DOI:10.1021/acsanm.4c02460