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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Sun, Dongping Yu, Jiajie Wang, Tianhe Feng, Zhouzhou |
| Description | Author Affiliation: Feng Z ( Chemicobiology and Functional Materials Institute, Nanjing University of Science and Technology, Nanjing 210094, PR China.); Yu J ( Chemicobiology and Functional Materials Institute, Nanjing University of Science and Technology, Nanjing 210094, PR China.); Sun D ( Chemicobiology and Functional Materials Institute, Nanjing University of Science and Technology, Nanjing 210094, PR China. Electronic address: hysdp@njust.edu.cn.); Wang T ( Chemicobiology and Functional Materials Institute, Nanjing University of Science and Technology, Nanjing 210094, PR China. Electronic address: thwang56@126.com.) |
| Abstract | In this paper, Ag/AgCl and Ag/AgCl/Al2O3 photocatalysts were synthesized via a precipitation reaction between NaCl and CH3COOAg or Ag(NH3)2NO3, wherein Ag/AgCl was immobilized into mesoporous Al2O3 medium. The Ag/AgCl-based nanostructures were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), photoluminescence (PL) spectra, and so on. The photocatalysts displayed excellent photocatalytic activity for the degradations of methyl orange (MO) and methylene blue (MB) pollutants under visible light irradiation. The Ag/AgCl(CH3COOAg)/Al2O3 sample exhibited the best photocatalytic performance, degrading 99% MO after 9min of irradiation, which was 1.1 times, 1.22 times and 1.65 times higher than that of Ag/AgCl(Ag(NH3)2NO3)/Al2O3, Ag/AgCl(CH3COOAg) and Ag/AgCl(Ag(NH3)2NO3) photocatalyst, respectively. Meanwhile, Ag/AgCl(CH3COOAg)/Al2O3 also showed excellent capability of MB degradation. Compared to the data reported for Ag/AgCl/TiO2, the Ag/AgCl/Al2O3 prepared in this work exhibited a good performance for the degradation of methyl orange (MO). The results suggest that the dispersion of Ag/AgCl on mesoporous Al2O3 strongly affected their photocatalytic activities. O2(-), OH radicals and Cl(0) atoms are main active species during photocatalysis. |
| ISSN | 00219797 |
| Journal | Journal of Colloid and Interface Science |
| Volume Number | 480 |
| e-ISSN | 10957103 |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2016-10-15 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Colloid & Interface Science |
| Content Type | Text |
| Resource Type | Article |
| Subject | Surfaces, Coatings and Films Colloid and Surface Chemistry Biomaterials Electronic, Optical and Magnetic Materials |
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