Hostname: page-component-78c5997874-4rdpn Total loading time: 0 Render date: 2024-11-18T05:59:03.875Z Has data issue: false hasContentIssue false
  • English
  • Français

UV-resistant hydrophobic rutile titania aerogels synthesized through a nonalkoxide ambient pressure drying process

Published online by Cambridge University Press:  29 August 2012

Wei Wei ,
Jimin Xie ,
Yinyin Wu ,
Jianjun Zhu ,
Xiaomeng Lü  and
Zaoxue Yan
Wei Wei
Affiliation:
School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
Jimin Xie*
Affiliation:
School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
Yinyin Wu
Affiliation:
School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
Jianjun Zhu
Affiliation:
School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
Xiaomeng Lü
Affiliation:
School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
Zaoxue Yan
Affiliation:
School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
*
a)Address all correspondence to this author. e-mail: xiejm391@sohu.com
Get access

Abstract

The hydrophobic rutile titania aerogels were successfully prepared by nonalkoxide ambient pressure drying through a modification process. The resulted materials were characterized by x-ray diffraction, scanning electronic microscope, transmission electron microscope, contact angle analyzer, Brunauer–Emmett–Teller specific surface area, and ultraviolet (UV)–visible diffuse reflection spectrum. The experimental results demonstrated that the as-prepared samples nanoparticles with rutile crystalline structure were uniformly distributed. The UV-resistant hydrophobic samples having high surface area were used as photocatalysts for dye degradation reaction.

Keywords

titania aerogelsUV-resistantnon-alkoxide processambient pressure drying
Type
Articles
Information
Journal of Materials Research , Volume 28 , Issue 3: Focus Issue: Titanium Dioxide Nanomaterials , 14 February 2013 , pp. 378 - 384
Copyright
Copyright © Materials Research Society 2012

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

Fujishima, A. and Honda, K.: Electrochemical photolysis of water at a semiconductor electrode. Nature 238, 37 (1972).Google Scholar
Deng, X., Yue, Y., and Gao, Z.: Gas-phase photo-oxidation of organic compounds over nanosized TiO2 photocatalysts by various preparations. Appl. Catal., B 39, 135 (2002).Google Scholar
Aravind, P.R., Shajesh, P., Mukundan, P., Krishna Pillai, P., and Warrier, K.G.K.: Non-supercritically dried silica-silica composite aerogel and its possible application for confining simulated nuclear wastes. J. Sol-Gel Sci. Technol. 46, 146 (2008).CrossRefGoogle Scholar
Kistler, S.S., Fischer, E.A., and Freeman, I.R.: Sorption and surface area in silica aerogel. J. Am. Chem. Soc. 65, 1909 (1943).Google Scholar
Standeker, S., Veronovski, A., Novak, Z., and Knez, Z.: Silica aerogels modified with mercapto functional groups used for Cu (II) and Hg (II) removal from aqueous solutions. Desalination 269, 223 (2011).CrossRefGoogle Scholar
Schwertfeger, F., Frank, D., and Schmidt, M.: Hydrophobic waterglass based aerogels without solvent exchange or supercritical drying. J. Non-Cryst. Solids 225, 24 (1998).Google Scholar
Zhou, B., Shen, J., Wu, Y., Wu, G., and Ni, X.: Hydrophobic silica aerogels derived from polyethoxydisiloxane and perfluoroalkylsilane. Mater. Sci. Eng., C 27, 1291 (2007).Google Scholar
Prakash, S.S., Brinker, C.J., and Hurd, A.J.: Silica aerogel films at ambient pressure. J. Non-Cryst. Solids 190, 264 (1995).Google Scholar
Rao, A.V., Nilsen, E., and Einarsrud, M.A.: Effect of precursors, methylation agents and solvents on the physicochemical properties of silica aerogels prepared by atmospheric pressure drying method. J. Non-Cryst. Solids 296, 165 (2001).Google Scholar
Murakoshi, K., Hosokawa, H., Tanaka, N., Saito, M., Wada, Y., Sakata, T., Mori, H., and Yanagida, S.: Phase transition of ZnS nanocrystallites induced by surface modification at ambient temperature and pressure confirmed by electron diffraction. Chem. Commun. (3), 321 (1998).CrossRefGoogle Scholar
Wang, J.S., Li, H., Li, H.Y., Zuo, C., and Wang, H.: Thermal stability and optimal photoinduced hydrophilicity of mesoporous TiO2 thin films. J. Phys. Chem. C 116, 9517 (2012).Google Scholar
Hu, W.B., Li, L.P., Li, G.S., Tang, C.L., and Sun, L.: High-quality brookite TiO2 flowers: Synthesis, characterization, and dielectric performance. Cryst. Growth Des. 9, 3676 (2009).Google Scholar
Lee, S.L., Nur, H., and Hamdan, H.: Physical properties and bifunctional catalytic performance of phosphate-vanadium impregnated silica-titania aerogel. Catal. Lett. 132, 28 (2009).Google Scholar
Kim, W.I., Suh, D.J., Park, T.J., and Hong, I.K.: Photocatalytic degradation of methanol on titania and titania–silica aerogels prepared by non-alkoxide sol-gel route. Top. Catal. 44, 499 (2007).Google Scholar
Zhu, J.J., Xie, J.M., Chen, M., and Jiang, D.L.: Low temperature preparation and visible light induced photocatalytic activity of europium doped hydrophobic anatase TiO2-SiO2 photocatalysts. J. Nanosci. Nanotechnol. 10, 1 (2010).Google Scholar
Gash, A.E., Satcher, J.H., and Simpson, R.L.: Monolithic nickel (II)-based aerogels using an organic epoxide: The importance of the counterion. J. Non-Cryst. Solids 350, 145 (2004).Google Scholar
Du, A., Zhou, B., Shen, J., Gui, J.Y., Zhong, Y.H., Liu, C.Z., Zhang, Z.H., and Wu, G.M.: A versatile sol-gel route to monolithic oxidic gels via polyacrylic acid template. New J. Chem. 35, 1096 (2011).Google Scholar
Hüsing, N. and Schubert, U.: Aerogels-airy materials: Chemistry, structure, and properties. Angew. Chem. Int. Ed. 37, 22 (1998).Google Scholar
Rao, A.P., Rao, A.V., and Bangi, U.K.H.: Low thermal conductive, transparent and hydrophobic ambient pressure dried silica aerogels with various preparation conditions using sodium silicate solution. J. Sol-Gel Sci. Technol. 47, 85 (2008).CrossRefGoogle Scholar