Synthesis and photocatalytic activity of nano V-doped TiO2 particles in MCM-41 under UV-visible irradiation

Journal of Materials Research

Volumn 25, Issue 1, 2010, Pages 125-133

  Bhattacharyya, Kaustava ^a   Varma, Salil ^a   Tripathi, Arvind K ^a   Tyagi, Avesh K ^a  

^a BHABHA ATOMIC RESEARCH CENTRE   (India)

Author keywords

[No Author keywords available]

Indexed keywords

AMBIENT CONDITIONS; BLUE SHIFT; DIFFUSE REFLECTANCE; DOPED TITANIA; DOPED-TIO; HOST MATRICES; IMPREGNATED CATALYSTS; NANO-SIZED; PHOTOCATALYTIC ACTIVITIES; PHOTOCATALYTIC OXIDATIONS; TEM; TIO; TITANIA; UV- AND; UV-VISIBLE; VISIBLE IRRADIATION; VISIBLE REGION; WET IMPREGNATION;

ADSORPTION; ETHYLENE; IRRADIATION; TITANIUM DIOXIDE; TRANSMISSION ELECTRON MICROSCOPY; X RAY DIFFRACTION;

MESOPOROUS MATERIALS;

EID: 77956226833     PISSN: 08842914     EISSN: None     Source Type: Journal    
DOI: 10.1557/jmr.2010.0014     Document Type: Article

References (31)

1. J.S. Beck, J.V. Vartuli, and W.J. Roth: A new family of mesoporous molecular prepared with liquid crystal templates. J. Am. Chem. Soc. 114, 10834 (1992).
2. V. Homebecq, M. Antonietti, T. Cardinal, and M.T. Delapièrre: Stable silver nanoparticles immobilize in mesoporous silica. Chem. Mater. 15, 1993 (2003).
3. 2 nanoparticles. Chem. Mater. 17, 3820 (2005).
4. M.L. Occelli, S. Biz, and A. Auroux: Effects of isomorphous substitution of Si with Ti and Zr in mesoporous silicates with the MCM-41 structure. Appl. Catal., A 183, 231 (1999).
5. 2. Catal. Today 397, 107 (2005).
6. D.J. Lensveld, J.G. Mesu, A.J. Dillen, and K.P. Jong: Synthesis and characterization of MCM-41 supported nickel oxide catalysts. Microporous Mesoporous Mater. 44-45, 401 (2001).
7. T. Jiang, Y. Tang, Q. Zhao, and H. Yin: Effect of Ni-doping on the pore structure of pure silica MCM-41 mesoporous molecular sieve under microwave irradiation. Colloids Surf., A 315, 299 (2008).
8. V. Parvulescu and B.L. Su: Iron, cobalt or nickel substituted MCM-41 molecular sieves for oxidation of hydrocarbons. Catal. Today 69, 315 (2001).
9. M.T. Bore, H.N. Pham, E.E. Switzer, T.L. Warb, A. Fukuoka, and A.K. Datye: The role of pore size and structure on the thermal stability of gold nanoparticles within mesoporous silica. J. Phys. Chem. B 109, 2873 (2005).
10. 2 nanoparticles contained in mesoporous silica synthesized with leached talc as Si source. Microporous Mesoporous Mater. 102, 204 (2007).
11. 2 cryogel fibers through unidirectional freezing of hydrogel followed by freeze-drying. Chem. Mater. 16, 4987 (2004).
12. 2 with an extremely large surface area and stabilization of its surface by chemical vapor deposition. Chem. Mater. 14, 1023 (2002).
13. 2 microspheres in ionic liquids. J. Am. Chem. Soc. 125, 6386 (2003).
14. 2 structures produced by templating polymer gels. Langmuir 14, 6333 (1998).
15. 2-loaded MCM- 41 catalysts for visible- and UV-light driven photodegradation of aqueous organic pollutants. J. Phys. Chem. B 108, 17198 (2004).
16. 2 for the degradation of orange. Dyes Pigm. 76, 477 (2008).
17. L. Davydov, E.P. Reddy, P. France, and P.G. Smirniotis: Transition-metal-substituted titania-loaded MCM-41 as photocatalysts for the degradation of aqueous organics in visible light. J. Catal. 203, 157 (2001).
18. M. Matsuoka and M. Anpo: Local structures, excited states, and photocatalytic reactivities of highly dispersed catalysts constructed within zeolites. J. Photochem. Photobiol., A 3, 225 (2003).
19. 2-loaded Cr-modified molecular sieves for 4-chlorophenol photodegradation under visible light. J. Catal. 237, 314 (2006).
20. 2/CrMCM-41 molecular sieve irradiated with visible light for the degradation of thiophene in the gas phase. Catal. Today 133-135, 594 (2008).
21. 2-loaded MCM-41 catalysts for visible light photocatalysis. Appl. Catal., B 57, 139 (2005).
22. 2 molecular sieves and their application in photocatalysis. Microporous Mesoporous Mater. 110, 543 (2008).
23. 2/M-MCM-41 (M = Cr or Ce): Deactivation and by-product generation under UV-A and visible light. Appl. Catal., B 84, 643 (2008).
24. K. Bhattacharya, A.K. Tripathi, G.K. Dey, and N.M. Gupta: Vaporphase photo-oxidation of methanol over nano-size titanium dioxide clusters dispersed in MCM-41 host material. Part 1: Synthesis and characterization. J. Nanosci. Nanotechnol. 5, 790 (2005).
25. K. Bhattacharyya, S. Varma, D. Kumar, A.K. Tripathi, and N.M. Gupta: Vapor-phase photo-oxidation of methanol over nano-size titanium dioxide clusters dispersed in MCM-41 host material. Part 2: Catalytic properties and surface transient species. J. Nanosci. Nanotechnol. 5, 797 (2005).
26. 2 for gas-phase oxidation of ethene. J. Phys. Chem. C 112, 19102 (2008).
27. R.J. Chimentão, J.E. Herrera, J.H. Kwak, F. Medina, Y. Wang, C.H.F. Peden: Oxidation of ethanol to acetaldehyde over Na-promoted vanadium oxide catalysts. Appl. Catal., A 332, 263 (2007).
28. 2 supported on molecular sieves. Appl. Catal., B 31, 241 (2001).
29. A. Tuel and L.G. Hubert-Pfalzgraf: Nanometric monodispersed titanium oxide particles on mesoporous silica: Synthesis, characterization, and catalytic activity in oxidation reactions in the liquid phase. J. Catal. 217, 343 (2003).
30. X. Gao and I.E. Wachs: Titania-silica as catalysts: Molecular structural characteristics and physico-chemical properties. Catal. Today 51, 233 (1999).
31. K. Bhattacharyya, S. Vanna, A.K. Tripathi, S.R. Bharadwaj, and A.K. Tyagi: Mechanistic insight by in situ FTIR for the gas phase photo-oxidation of thylene by V-doped titania and nano-titania. J. Phys. Chem. B 113, 5917 (2009).