Nanostructured TiO2 modified by perfluoropolyethers: Gas phase photocatalytic activity

Journal of Materials Research

Volumn 25, Issue 1, 2010, Pages 96-103

  Bianchi, Claudia L ^a   Ardizzone, Silvia ^a   Cappelletti, Giuseppe ^a   Cerrato, Giuseppina ^b   Navamni, Walter ^c   Sansotera, Maurizio ^c  

^a UNIVERSITY OF MILAN   (Italy)

^b UNIVERSITY OF TURIN   (Italy)

^c POLITECNICO DI MILANO   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

BRUNAUER EMMETT TELLERS; COATED TITANIUM; ELECTRONIC BAND GAPS; FLUORINATED COATING; GASPHASE; HIGH MOLECULAR WEIGHT; HYDROPHOBIC PROPERTIES; NANO-TIO; NANOSTRUCTURED TIO; PERFLUOROPOLYETHERS; PHOTOACTIVITY; PHOTOCATALYTIC ACTIVITIES; SURFACE AREA DETERMINATION; SURFACE COMPOSITIONS; WATER CONTACT ANGLE;

AMMONIUM COMPOUNDS; CONTACT ANGLE; GASES; SURFACE STRUCTURE; TITANIUM; TITANIUM OXIDES; TOLUENE; ULTRAVIOLET SPECTROSCOPY; ULTRAVIOLET VISIBLE SPECTROSCOPY; X RAY DIFFRACTION; X RAY DIFFRACTION ANALYSIS; X RAY PHOTOELECTRON SPECTROSCOPY;

HIGH RESOLUTION TRANSMISSION ELECTRON MICROSCOPY;

EID: 77957962701     PISSN: 08842914     EISSN: None     Source Type: Journal    
DOI: 10.1557/jmr.2010.0008     Document Type: Article

References (28)

1. 2 surfaces: Principles, mechanisms, and selected results. Chem. Rev. 95, 735 (1995).
2. I.P. Parkin and R.G. Palgrave: Self-cleaning coatings. J. Mater. Chem. 15, 1689 (2005).
3. J. Bico, C. Marzolin, and D. Quéré: Pearl drops. Europhys. Lett. 47, 220 (1999).
4. S. Shibuichi, T. Onda, N. Satoh, and K. Tsujii: Super waterrepellent surfaces resulting from fractal structure. J. Phys. Chem. 100, 19512 (1996).
5. S.R. Coulson, I. Woodward, J.P.S. Badyal, S.A. Brewer, and C. Willis: Super-repellent composite fluoropolymer surfaces. J. Phys. Chem. B 104, 8836 (2000).
6. W. Chen, A. Fadeev, M.C. Hsieh, and D. Oner: Ultrahydrophobic and ultralyophobic surfaces: Some comments and examples. Langmiur 15, 3395 (1999).
7. 2 surfaces: Preparation, photocatalytic wettability conversion, and superhydrophobicsuperhydrophilic patterning. J. Phys. Chem. C 111, 14521 (2007).
8. 2 films. Appl. Surf. Sci. 254, 5994 (2008).
9. 2-coated polystyrene beads. J. Photochem. Photobiol., A 132, 121 (2000).
10. 2 photocatalyst. J. Phys. Chem. C 113, 1552 (2009).
11. 2 in hydrophobic mesopores by simultaneous grafting and fiuorinating. Microporous Mesoporous Mater. 117, 356 (2009).
12. D. Sianesi, G. Marchionni, and R.J. De Pasquale: Perfluoropolyethers (PFPEs) from perfluoroolefin photooxidation, in Organofluorine Chemistry Principles and Commercial Applications, edited by R.E. Banks, B.E. Smart, IC Tallow (Plenum Press, New York, NY, 1994), p. 431.
13. M. Vecellio: Opportunities and developments in fluoropolymeric coatings. Prog. Org. Coat. 40, 225 (2000).
14. H. Wang, I Fang, T. Cheng, I Ding, L. Qu, L. Dai, X. Wang, and T. Lin: One-step coating of fiuoro-containing silica nanoparticles for universal, generation of surface superhydrophobicity. Chem, Commun. (Camb.) 7, 877 (2008).
15. g amorphous fiuoropolymers. J. Flourine Chem, 125, 73 (2004).
16. R.H. French, R.C. Wheland, W. Qiu, M.F. Lemon, E. Zhang, I Gordon, V.A. Petrov, V.F. Cherstkov, and N.I. Celaygina: Novel hydrofiuorocarbon polymers for use as pellicles in 157 nm semiconductor photolithography: Fundamentals of transparency. J. Flourine Chem. 122, 63 (2003).
17. F. Mikeš, Y. Yang, I. Teraoka, T. Ishigure, Y. Koike, and Y. Okamoto: Synthesis and characterization of an amorphous perfluoropolymer: Poly(perfluoro-2-methylene-4-methyl-1,3dioxolane). Maeromoleeules 38, 4237 (2005).
18. A. Russo, C Tonelli, and E. Barchiesi: New developments in the synthesis and characterization of phosphate esters of linear (per) fiuoropolyether monofunctional and difunctional macromonomers. J. Polym. Sci. Pol. Chem. 43, 4790 (2005).
19. 2. The optimal particle features for liquid, and gasphase photocatalytic reactions. J. Phys. Chem, C 111, 13222 (2007).
20. 2 polymorphs. Appl. Catal. B-Environ, 78, 193 (2008).
21. CL. Bianchi, S. Ardizzone, O. Cappelletti, A. Naldoni, and C. Pirola: Photocatalytic degradation of toluene in the gas phase. Relationship between the surface species and the catalytic features. Environ. Sci. Technol. 42, 6671 (2008).
22. 3 for photodegradation of air pollutants. Catal. Today 144, 31 (2009).
23. G. Marchionni, G. Ajroldi, and G. Pezzin: Structure-property relationships in perfiuoropolyethers: A family of polymeric oils, in Comprehensive Polymer Science, Second Supplement, edited by S.L. Aggarwal and S. Russo (Pergamon, London, England, 1996), p. 347.
24. G. Marchionni and A. Staccione: Process for preparing controller molecular weight perfiuoropolyethers having perfluoroalkyl or perfluorochloroalkyl end groups, US Patent 5, 446, 206 (1995).
25. A. Russo and C Tonelli: Process for obtaining mixtures of phosphoric mono- and diesters, US Patent 6, 653, 495 (2003).
26. JCPDS-ICDD card n. 21-1272, International Centre for Diffraction Data, Newtown Square, PA (2002).
27. 2 prepared by ultrasound. Nanoscale Res. Lett. 4, 97 (2009).
28. N.B. Colthup, L.H. Daly, and S.E. Wiberley: Introduction to Infrared and Raman Spectroscopy, 3rd ed. (Academic Press, New York, 1990).