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ZnGa 2O 4 was synthesized from Ga(NO 3) 3 and ZnCl 2 via a rapid and facile microwave-assisted hydrothermal method. The photocatalytic properties of the as-prepared ZnGa 2O 4 were evaluated by the degradation of pollutants in air and aqueous solution under ultraviolet (UV) light illumination. The results demonstrated that ZnGa 2O 4 had exhibited efficient photocatalytic activities higher than that of commercial P25 (Degussa Co.) in the degradation of benzene, toluene, and ethylbenzene, respectively. In the liquid phase degradation of dyes (methyl orange, Rhodamine B, and methylene blue), ZnGa 2O 4 has also exhibited remarkable activities higher than that of P25. After 32 min of UV light irradiation, the decomposition ratio of methyl orange (10 ppm, 150 mL) over ZnGa 2O 4 (0.06 g) was up to 99%. The TOC tests revealed that the mineralization ratio of MO (10 ppm, 150 mL) was 88.1% after 90 min of reaction. A possible mechanism of the photocatalysis over ZnGa 2O 4 was also proposed. © 2012 Elsevier Inc.
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Journal of Solid State Chemistry
ISSN: 0022-4596
Year: 2012
Volume: 190
Page: 135-142
2 . 0 4
JCR@2012
3 . 2 0 0
JCR@2023
JCR Journal Grade:2
CAS Journal Grade:3
Cited Count:
SCOPUS Cited Count: 44
ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 0
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