Journal
CATALYSIS COMMUNICATIONS
Volume 17, Issue -, Pages 39-42Publisher
ELSEVIER
DOI: 10.1016/j.catcom.2011.10.012
Keywords
Nitro reduction; 4-nitroaniline; p-Phenylenediamine; SrBi2Nb2O9; Photocatalysis
Categories
Funding
- Natural Science Foundation of Fujian Province, China [2010J01033, 2011J01041]
- National Natural Science Foundation of China [21177024, U1033603]
- National Key Basic Research Program of China (973 Program) [2011CB612314]
- Program for Changjiang Scholars and Innovative Research Team in University [PCSIRT0818]
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High efficient photocatalytic reduction of 4-nitroaniline to p-phenylenediamine over microcrystalline SrBi2Nb2O9 was observed upon purging with N-2 under UV-light irradiation. Its photocatalytic activity was higher than that of sample P25 (commercial TiO2, Degussa Co.). The analysis results of X-ray diffraction and X-ray photoelectron spectroscopy revealed that microcrystalline SrBi2Nb2O9 had high stability for the photocatalytic reduction of 4-nitroaniline. Further experiments indicated that ammonium oxalate was indispensable for the photocatalytic reduction of 4-nitroaniline. Moreover, the high efficient photocatalytic reduction of 4-nitroaniline over microcrystalline SrBi2Nb2O9 might be ascribed to its relatively high conduction band. (C) 2011 Elsevier B.V. All rights reserved.
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