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A bifunctional photocatalyst-Fe-benzenedicarboxylate (MIL-53(Fe)) has been synthesized successfully via a facile solvothermal method. The resulting MIL-53(Fe) photocatalyst exhibited an excellent visible light (lambda ＞= 420 nm) photocatalytic activity for the reduction of Cr(VI), the reduction rate have reached about 100% after 40 min of visible light irradiation, which has been more efficient than that of N-doped TiO2 (85%) under identical experimental conditions. Further experimental results have revealed that the photocatalytic activity of MIL-53(Fe) for the reduction of Cr(VI) can be drastically affected by the pH value of the reaction solution, the hole scavenger and atmosphere. Moreover, MIL-53(Fe) has exhibited considerable photocatalytic activity in the mixed systems (Cr(VI)/dyes). After 6 h of visible light illumination, the reduction ratio of Cr(VI) and the degradation ratio of dyes have been exceed 60% and 80%, respectively. More significantly, the synergistic effect can also be found during the process of photocatalytic treatment of Cr(VI) contained wastewater under the same photocatalytic reaction conditions, which makes it a potential candidate for environmental restoration. Finally, a possible reaction mechanism has also been investigated in detail. (C) 2015 Elsevier B.V. All rights reserved.
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JOURNAL OF HAZARDOUS MATERIALS
ISSN： 0304-3894
Year： 2015
Volume： 287
Page： 364-372
4 . 8 3 6
JCR@2015
1 2 . 2 0 0
JCR@2023
ESI Discipline： ENGINEERING;
ESI HC Threshold：183
JCR Journal Grade：1
CAS Journal Grade：1
Cited Count：
WoS CC Cited Count： 588
SCOPUS Cited Count： 615
ESI Highly Cited Papers on the List： 44 Unfold All
WanFang Cited Count：
Chinese Cited Count：
30 Days PV： 5
