Journal
CATALYSIS COMMUNICATIONS
Volume 136, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.catcom.2019.105910
Keywords
Adsorption; Photocatalytic; Ce-doped MIL-101-NH2/Ag3PO4 composites
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Funding
- Key Laboratory of Biomass Energy and Material, Jiangsu Province [JSBEM201912]
- Chinese Postdoctoral Science Foundation [2015M571761, 2016T90465]
- Priority Academic Program development of Jiangsu Higher Education Institution and Instrument and Equipment Foundation of Nanjing University of Science Technology
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Ce-doped MIL-101-NH2 sensitized Ag3PO4 composites were successfully prepared using an in-situ ion-exchange deposition method. The adsorption capacity of these composites was observed to decrease as Ce/Fe ratio was increased. Under white LED irradiation, the addition of Ce to MIL-101-NH2 improved the visible light response of the metal organic framework (MOF). The obtained Ce-doped MIL-101-NH2 sensitized Ag3PO4 composite shows excellent photocatalytic activity and stability for the degradation of pollutants. This superior performance can be explained by the redox couple Ce3+/Ce4+ accelerating the migration of photo-induced holes, thereby facilitating efficient separation of photo-generated electron-hole pairs.
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