Journal
MATERIALS LETTERS
Volume 313, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2022.131716
Keywords
Dual Z-scheme; Tandem charge transfer; MO removal; E. coli disinfection
Funding
- Brain Pool Program through the National Research Foundation of Korea (NRF) - Ministry of Science and ICT [2020H1D3A1A04081409]
- King Saud University, Riyadh, Saudi Arabia [RSP-2021/6]
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A novel CQDs decorated MnIn2S4/Cu2O/Ag2O dual Z-scheme tandem hybrid was fabricated for MO removal and E. coli disinfection under visible light illumination. The dual Z-scheme structure showed enhanced catalytic inactivation performance and degradation effect.
A novel CQDs decorated MnIn2S4/Cu2O/Ag2O dual Z-scheme tandem hybrid is fabricated via hydrothermal method for MO removal and E. coli disinfection under visible light illumination. CQDs shuttle electrons in CQDsMnIn(2)S(4)/Cu2O/Ag2O interface via dual Z-scheme electron transferal route which lead to upgrade in charge separation and visible light absorption. The Z-scheme hybrid displayed best catalytic inactivation performance of E. coli and degradation of MO which totally disinfect bacteria within 3 h and displayed 98.6% of MO degradation in 70 min in visible light radiation. The unique dual Z-scheme junction supports enhanced redox capabilities, prolong lifespan of photo-excitons, stability, spatial separation and enhanced visible light absorption.
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