Enhanced electron transfer and silver-releasing suppression in Ag-AgBr/titanium-doped Al 2O 3 suspensions with visible-light irradiation

Journal of Hazardous Materials

Volumn 219-220, Issue , 2012, Pages 276-282

  Zhou, Xuefeng ^a   Hu, Chun ^a   Hu, Xuexiang ^a   Peng, Tianwei ^a  

^a RESEARCH CENTER FOR ECO ENVIRONMENTAL SCIENCES   (China)

Author keywords

Ag dissolution; Ag AgBr Ti doped mesoporous alumina; Charge transfer; Photoactivity; Plasmon assisted photocatalyst

Indexed keywords

2-CHLOROPHENOLS; AG NANOPARTICLE; DEPOSITION PRECIPITATION METHODS; ELECTRON CIRCULATION; ELECTRON DONORS; ELECTRON TRANSFER; EXPERIMENTAL CONDITIONS; MESOPOROUS ALUMINA; PHOTOACTIVITY; PHOTOCATALYTIC ACTIVITIES; PHOTOGENERATED HOLES; TAP WATER; ULTRA-PURE WATER; VISIBLE-LIGHT IRRADIATION; WATER PURIFICATION;

ALUMINA; CATALYST ACTIVITY; CHARGE TRANSFER; CYCLIC VOLTAMMETRY; DISSOLUTION; ELECTRON TRANSPORT PROPERTIES; IRRADIATION; PHENOLS; PHOTOCATALYSIS; PHOTOCATALYSTS; PRECIPITATION (CHEMICAL); SILVER HALIDES; TITANIUM; WATER SUPPLY;

SILVER;

2 CHLOROPHENOL; ALUMINUM; ALUMINUM OXIDE; ANION; CARBONIC ACID; CHLORIDE; PHENOL; SILVER; SILVER BROMIDE; SILVER NANOPARTICLE; SULFATE; TAP WATER; TITANIUM; UNCLASSIFIED DRUG;

CATALYSIS; CATALYST; DISSOLUTION; ELECTRON; INORGANIC SALT; ION; PHENOL; PHOTODEGRADATION; RADIATION BALANCE; SILVER; VISIBLE SPECTRUM;

ARTICLE; CATALYSIS; CATALYST; CYCLIC POTENTIOMETRY; DISSOLUTION; ELECTRON TRANSPORT; LIGHT IRRADIANCE; PHOTOCATALYSIS; PHOTODEGRADATION; PRECIPITATION; PURIFICATION;

ALUMINUM OXIDE; CATALYSIS; ELECTRONS; LIGHT; MICROSCOPY, ELECTRON, TRANSMISSION; SILVER; SOLUBILITY; TITANIUM;

EID: 84860784666     PISSN: 03043894     EISSN: 18733336     Source Type: Journal    
DOI: 10.1016/j.jhazmat.2012.04.009     Document Type: Article

References (33)

1. Kraeutler B., Bard A.J. Heterogeneous photocatalytic preparation of supported catalysts. Photodeposition of platinum on titanium dioxide powder and other substrates. J. Am. Chem. Soc. 1978, 100:4317-4318.
2. He L., Musick M.D., Nicewarner S.R., Salinas F.G., Benkovic S.J., Natan M.J., Keating C.D. Colloidal Au-enhanced surface plasmon resonance for ultrasensitive detection of DNA hybridization. J. Am. Chem. Soc. 2000, 122:9071-9077.
3. 2 core-shell composite clusters under UV-irradiation. J. Am. Chem. Soc. 2005, 127:3928-3934.
4. Schattka J.H., Shchukin D.G., Jia J., Antonietti M., Caruso R.A. Photocatalytic activities of porous titania and titania/zirconia structures formed by using a polymer gel templating technique. Chem. Mater. 2002, 14:5103-5108.
5. 2 surface. J. Photochem. Photobiol. A 2003, 154:195-201.
6. 2 thin films for azo-dye degradation. J. Catal. 2003, 220:127-135.
7. 2/Ag photocatalysis system for decolorizing Procion red MX-5B. J. Hazard. Mater. 2010, 178:115-122.
8. 2 photocatalyst. Int. J. Photoenergy 2003, 5:123-130.
9. Link S., El-Sayed M.A. Spectral properties and relaxation dynamics of surface plasmon electronic oscillations in gold and silver nanodots and nanorods. J. Phys. Chem. B 1999, 103:8410-8426.
10. Daniel M.C., Astruc D. Gold nanoparticles: assembly, supramolecular chemistry, quantum-size-related properties, and applications toward biology, catalysis, and nanotechnology. Chem. Rev. 2004, 104:293-346.
11. Mock J.J., Barbic M., Smith D.R., Schults D.A., Schults S. Shape effects in plasmon resonance of individual colloidal silver nanoparticles. J. Chem. Phys. 2002, 116:6755-6759.
12. Jin R., Cao Y.C., Hao E., Meâtrauz G.S., Schatz G.C., Mirkin C.A. Controlling anisotropic nanoparticle growth through plasmon excitation. Nature 2003, 425:487-490.
13. Kim F., Song J.H., Yang P. Photochemical synthesis of gold nanorods. J. Am. Chem. Soc. 2002, 124:14316-14317.
14. Graètzel M. Photoelectrochemical cells. Nature 2001, 414:338-344.
15. 2 films. J. Phys. Chem. B 2001, 105:11439-11446.
16. 2 films loaded with gold nanoparticles. J. Am. Chem. Soc. 2005, 127:7632-7637.
17. 3 under visible-light irradiation. J. Am. Chem. Soc. 2010, 132:857-862.
18. Beydoun D., Amal R., Low G.K.C., McEvoy S. Novel photocatalyst: titania-coated magnetite. Activity and photodissolution. J. Phys. Chem. B 2000, 104:4387-4396.
19. 3 under visible-light irradiation. J. Phys. Chem. C 2010, 114:2746-2750.
20. Wang P., Huang B., Qin X., Zhang X., Dai Y., Wei J., Whangbo M. Highly efficient visible-light plasmonic photocatalyst Ag@AgCl. Angew. Chem. Int. Ed. 2008, 47:7931-7936.
21. Wang P., Huang B., Zhang X., Qin X., Hao J., Dai Y., Wang Z., Wei J., Zhan J., Wang S., Wang J., Whangbo M. Highly efficient visible-light plasmonic photocatalyst Ag@AgBr. Chem. Eur. J. 2009, 15:1821-1824.
22. 2 visible light photocatalyst for destruction of azodyes and bacteria. J. Phys. Chem. B 2006, 110:4066-4072.
23. Xu B., Xiao T., Yan Z., Sun X., Sloan J., González-Cortés L., Alshahrani F., Green M.L.H. Synthesis of mesoporous alumina with highly thermal stability using glucose template in aqueous system. Micropor. Mesopor. Mater. 2006, 91:293-295.
24. Shimizu K., Shibata J., Yoshida H., Satsumal A., Hattori T. Silver-alumina catalysts for selective reduction of NO by higher hydrocarbons: structure of active sites and reaction mechanism. Appl. Catal. B 2001, 30:151-162.
25. Christy A.A., Kvalheim O.M., Velapoldi R.A. Quantitative analysis in diffuse reflectance spectrometry: a modified Kubelka-Munk equation. Vib. Spectrosc. 1995, 9:19-27.
26. 3 catalysts for the selective catalytic oxidation of ammonia to nitrogen. J. Catal. 2009, 261:101-109.
27. Ledo A., Martínez F., López-Quintela M.A., Rivas J. Synthesis of Ag clusters in microemulsions: a time-resolved UV-vis and fluorescence spectroscopy study. Physica B 2007, 398:273-277.
28. Han J., Qiu W., Gao W. Potential dissolution and photo-dissolution of ZnO thin films. J. Hazard. Mater. 2010, 178:115-122.
29. An C., Peng S., Sun Y. Facile synthesis of sunlight-driven AgCl:Ag plasmonic nanophotocatalyst. Adv. Mater. 2010, 22:2570-2574.
30. Zhu M., Chen P., Liu M. Graphene oxide enwrapped Ag/AgX (X=Br, Cl) nanocomposite as a highly efficient visible-light plasmonic photocatalyst. ACS Nano 2011, 5:4529-4536.
31. 2 as a photoactive and durable catalyst for degradation of volatile organic compounds in the gas phase. Appl. Catal. B 2011, 106:445-452.
32. Cheng H., Huang B., Wang P., Wang Z., Lou Z., Wang J., Qin X., Zhang X., Dai Y. In situ ion exchange synthesis of the novel Ag/AgBr/BiOBr hybrid with highly efficient decontamination of pollutants. Chem. Commun. 2011, 47:7054-7056.
33. Kuai L., Geng B., Chen X., Zhao Y., Luo Y. Facile subsequently light-induced route to highly efficient and stable sunlight-driven Ag-AgBr plasmonic photocatalyst. Langmuir 2010, 26:18723-18727.