Hostname: page-component-cd9895bd7-dzt6s Total loading time: 0 Render date: 2024-12-29T13:38:09.163Z Has data issue: false hasContentIssue false
  • English
  • Français

Nanometric oxides from molecular precursors in the presence of starch: Coatings of glass with these oxides in silica sols

Published online by Cambridge University Press:  01 July 2006

Emanuela Callone ,
Giovanni Carturan ,
Marco Ischia  and
Adriana Sicurelli
Emanuela Callone
Affiliation:
Department of Materials Engineering and Industrial Technologies, University of Trento, 38050 Trento, Italy
Giovanni Carturan*
Affiliation:
Department of Materials Engineering and Industrial Technologies, University of Trento, 38050 Trento, Italy
Marco Ischia
Affiliation:
Department of Materials Engineering and Industrial Technologies, University of Trento, 38050 Trento, Italy
Adriana Sicurelli
Affiliation:
Department of Materials Engineering and Industrial Technologies, University of Trento, 38050 Trento, Italy
*
a) Address all correspondence to this author. e-mail: giovanni.carturan@ing.unitn.it
Get access

Abstract

Sn, Sn-Sb, Ti, Ce, Zr, Zn, In, In–Sn, and Fe oxides of nanometric size were obtained through the hydrolytic route, starting from molecular precursors in the presence of starch. Gels were treated with α-amylase to produce oxide suspensions and starch degradation. Solid oxide products resulted from reaction with H2O2, washing with H2O, and centrifugation of the suspensions. The nanometric size and morphology of crystallites were assessed by x-ray diffractometry, transmission electron microscopy, and, for SnO2, solid-state nuclear magnetic resonance. Product consolidation at 600 °C did not produce any noticeable increase in dimensions. Thermal analysis coupled with mass spectrometry of evolved gaseous species showed that glucoside residues remain chemically bonded to the nanoparticles, thus explaining the effective stabilization of crystallite dimensions. Aqueous suspensions of nanopowders were mixed with a silicon tetra-ethoxide ethanol solution and subjected to an ordinary sol-gel process. The resulting suspensions were used to obtain stable and homogeneous coatings on glass sheets.

Keywords

NanoscaleOxideOrganic
Type
Articles
Information
Journal of Materials Research , Volume 21 , Issue 7 , July 2006 , pp. 1726 - 1737
Copyright
Copyright © Materials Research Society 2006

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

1.Hill, J., Heriot, S.Y., Worsfold, O., Richardson, T.H., Fox, A.M., Bradley, D.D.C.: Dynamics of Forster transfer in polyfluorene-based polymer blends and Langmuir–Blodgett nanostructures. Synth. Met. 139, 787 (2003).CrossRefGoogle Scholar
2.Salata, O.V.: Applications of nanoparticles in biology and medicine. J. Nanobiotechnol. 2, 3 (2004).CrossRefGoogle ScholarPubMed
3.Wissing, S.A., Müller, R.H.: Cosmetic applications for solid lipid nanoparticles (SLN). Int. J. Pharm. 254, 65 (2003).CrossRefGoogle ScholarPubMed
4.Tan, C.P., Nakajima, M.: b-Carotene nanodispersions: Preparation, characterization and stability evaluation. Food Chem. 92, 661 (2005).CrossRefGoogle Scholar
5.Henry, J., Anand, A., Chowdhury, M., Coté, G., Moreira, R., Good, T.: Development of a nanoparticle-based surface-modified fluorescence assay for the detection of prion proteins. Anal. Biochem. 334, 1 (2004).CrossRefGoogle ScholarPubMed
6.Murray, C.B., Kagan, C.R., Bawendi, M.G.: Synthesis and characterization of monodiperse nanocrystals and close-packed nanocrystal assemblies. Ann. Rev. Mater. Sci. 30, 545 (2000).CrossRefGoogle Scholar
7.Chiorino, A., Ghiotti, G., Prinetto, F., Carotta, M.C., Gallana, M., Martinelli, G.: Characterization of materials for gas sensors. Surface chemistry of SnO2 and MoOx –SnO2 nano-sized powders and electrical responses of the related thick films. Sens. Actuators B. Chem. B59, 203 (1999).CrossRefGoogle Scholar
8.Bell, A.T.: The impact of nanoscience on heterogeneous catalysis. Science 299, 1688 (2003).CrossRefGoogle ScholarPubMed
9.Mansoori, G.A.: Advances in atomic & molecular nanotechnology. Tech Monitor, (Sept–Oct) 53 (2002).Google Scholar
10.Jolivet, J.P.: Metal Oxide Chemistry and Synthesis. From Solution to Solid State. 1st ed. (John Wiley and Sons, New York, 2000).Google Scholar
11.Pashley, R., Karaman, M.: Applied Colloid and Surface Chemistry 1st ed. (John Wiley and Sons, New York, 2004).CrossRefGoogle Scholar
12.Mu, L., Seow, P.H., Ang, S.N., Feng, S.S.: Study on surfactant coating of polymeric nanoparticles for controlled delivery of anticancer drug. Colloid Polym. Sci. 283, 58 (2004).CrossRefGoogle Scholar
13.Reetz, M.T., Winter, M., Breimbauer, R., Thurn-Albrecht, T., Vogel, W.: Size-selective electrochemical preparation of surfactant-stabilized Pd-, Ni-, and Pt/Pd colloids. Chem. Eur. J. 7, 1084 (2001).3.0.CO;2-J>CrossRefGoogle ScholarPubMed
14.Ryu, B.H., Lee, J.D., Kang, Y.C., Park, H.S.: Synthesis of highly concentrated silver nanoparticles assisted polymeric dispersant. Key Eng. Mater. 264–268, 141 (2004).CrossRefGoogle Scholar
15.Callone, E., Carturan, G., Sicurelli, A.: Nanopowders of metallic oxides by the hydrolytic route with starch stabilization and biological abetment. J. Nanosci. Nanotechnol. 6, 1 (2006).CrossRefGoogle ScholarPubMed
16.Brinker, C.J., Hurd, A.J.: Fundamentals of sol-gel dip-coating. J. Phys. III France 4, 1231 (1994).Google Scholar
17.Brinker, C.J., Scherer, G.W.: Sol-Gel Science: The Physics and Chemistry of Sol-Gel Processing (Academic Press, San Diego, CA, 1990).Google Scholar
18.Brinker, C.J., Hurd, A.J., Schunk, P-R., Ashley, C.S.: Review of sol-gel thin film formation. J. Non-Cryst. Solids 147–148, 424 (1992).CrossRefGoogle Scholar
19. ANSI B.46.1-85 Surface Texture (Surface Roughness, Waviness, and Lay) ANSI/ASME American Society of Mechanical Engineers Ed., New York, NY, 1985.Google Scholar
20. DIN 4776: 1990 Surface Texture (Parameters R k, R pk, R vk, Mrl, Mr2 for the description of the material portion in the roughness profile; measuring conditions and evaluation procedures), Berlin, Germany.Google Scholar
21.Lutterotti, L., Matthies, S., and Wenk, H.R.: in Proceeding of the Twelfth International Conference on Textures of Materials (ICOTOM-12) (1999), p. 1599.Google Scholar
22.Campostrini, R., Sorarù, G.D., Ceccato, R., Carturan, G., Dandrea, G.: Pyrolysis study of methyl-substituted Si-H containing gels as precursors for oxycarbide glasses, by combined thermogravimetry, gas chromatographic and mass spectrometric analysis. J. Mater. Chem. 6, 585 (1996).CrossRefGoogle Scholar
23.Bradley, D.C., Caldwell, E.V., Wardlaw, W.: The preparation and properties of stannic alkoxides. J. Chem. Soc. A 79, 4775 (1957).CrossRefGoogle Scholar
24.Matijevic, E.: Monodispersed metal (hydrous) oxides—A fascinating field of colloid science. Acc. Chem. Res. 14, 22 (1981).CrossRefGoogle Scholar
25.Clayden, N.J., Dobson, C.M., Fern, A.: High-resolution solid-state tin-119 nuclear-magnetic-resonance spectroscopy of ternary tin oxides. J. Chem. Soc. Dalton Trans.: Inorg. Chem. (1972– 1999), 843 (1989).CrossRefGoogle Scholar
26.Tunstall, D.P., Patou, S., Liu, R.S., Kao, Y.H.: Size effects in the NMR of SnO2 powders. Mater. Res. Bull. 34, 1513 (1999).CrossRefGoogle Scholar
27.Films Sol-Gel Technology for Thin Fibers, Preforms, Electronics and Speciality Forms edited by Klein, L.C. (Noyes, Park Ridge, NJ, 1988).Google Scholar
28.Hench, L.L., West, J.K.: The sol-gel process. Chem. Rev. 90, 33 (1990).CrossRefGoogle Scholar
29.Mathur, S. in NATO ASI Series: Chemical Physics of Thin Film Deposition for Micro- and Nano-Technologies edited by Pauleau, Y. (Kluwer Academic Publications, Dordrecht, Netherlands, 2002), p. 91.CrossRefGoogle Scholar
30.Dinnebier, R.E., Vensky, S., Jansen, M., Hanson, J.C.: Crystal structures and topological aspects of the high-temperature phases and decomposition products of the alkali metal oxalates M2[C2O4] (M = K, Rb,Cs). Chem. Eur. J. 11, 1119 (2005).CrossRefGoogle ScholarPubMed
31.Mohamed, M.A., Galwey, A.K., Halawy, S.A.: A comparative study of the thermal reactvities of some transition metal oxides in selected atmospheres. Thermochim. Acta 429, 57 (2005).CrossRefGoogle Scholar
32.Frost, R.L., Weier, M.L.: Thermal decomposition of humboldtine—A high resolution thermogravimetric and hot stage Raman spectroscopic study. J. Therm. Anal. Calorim. 75, 277 (2004).CrossRefGoogle Scholar
33.Zhang, S., Lee, W.E.: Improving the water-wettability and oxidation resistance of graphite using Al2O3/SiO2 sol-gel coatings. J. Eur. Ceram. Soc. 23, 1215 (2003).CrossRefGoogle Scholar
34.Díaz-Flores, L.L., Espinoza-Beltrán, F.J., Yáñez-Limón, J.M., Mendoza-Galván, A., Ramírez-Bon, R., González-Hernández, J.: Qualitative evaluation of sol-gel SiO2 as a protective layer for soft surfaces. Surf. Coat. Technol. 148, 1 (2001).CrossRefGoogle Scholar
35.Villegas, M.A.: Chemical and microstructural characterization of sol-gel coatings in the ZrO2–SiO2 system. Thin Solid Films 382, 124 (2001).CrossRefGoogle Scholar
36.Landau, L.D., Levich, B.: Dragging of a liquid by a moving plate. Acta Physiochim. URSS. 17, 42 (1942).Google Scholar