Abstract
In this paper, we prepared a polyvinyl alcohol-polyethylene (PVA-Co-PE) composite nanofiber membrane catalyst decorated by Fe-MOFs/SiC and completed the photocatalytic reduction of CO2 performance. The results show that the CO2 conversion rate of composite film materials under visible light irradiation is increased by 31 times compared with powdered Fe-MOFs/SiC materials. Through SEM, XRD, BET, FTIR, DRS and other characterization methods, the influencing factors of the photocatalytic CO2 reduction process of the composite nanofiber membrane were investigated. The synergistic effect of Fe-MOFs/SiC and nanofiber membrane photocatalysis is beneficial to electron-hole pairs. The effective separation and strong absorption in the visible light region make it exhibit excellent photocatalytic activity in the photocatalytic CO2 reduction reaction.
Highlights
Combining photocatalysts and nanofiber materials to form hybrid membranes is a good way to recoverThe rapid consumption of fossil fuels produces excessive carbon dioxide which is the main cause of climate warming[1,2,3,4]
Fe-MOFs/SiC was prepared by in-situ synthesis method and loaded on active PVA-Co-PE film, which showed excellent photocatalytic activity under visible light irradiation
The results show that in the process of preparing MOFs/SiC/PVA-Co-PE nanofiber suspension (PCP), MOFs/SiC/PCP retains two characteristic peaks of MOFs/SiC and PCP, and the intensity of characteristic peaks is due to the interface interaction between MOFs/SiC and PCP
Summary
Combining photocatalysts and nanofiber materials to form hybrid membranes is a good way to recoverThe rapid consumption of fossil fuels produces excessive carbon dioxide which is the main cause of climate warming[1,2,3,4]. Fe-MOFs/SiC was prepared by in-situ synthesis method and loaded on active PVA-Co-PE film, which showed excellent photocatalytic activity under visible light irradiation. 2.2 Synthesis of PVA-Co-PE nanofiber suspension (PCP) and composite nanofiber membrane (MOFs/SiC/PCP)
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