Integrated dual-confinement effects of quantum dots and spatial CO2 activation for enhanced photoreduction
Jia Zheng1, Xiaoxue Zhao2, Yang Li3
1College of Chemistry, Changchun Normal University, Changchun 130032, P.R. China.
Abstract:
A novel dual-confinement photocatalyst based on Co3S4 quantum dots and NiAl-LDH enables efficient CO2 photoreduction by coupling charge separation with surface activation. An interfacial electric field drives electron accumulation at hydroxyl-rich confined sites, lowers the COOH* formation barrier, and affords a CO evolution rate 17.8-fold higher than that of pristine NiAl-LDH.
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