Hostname: page-component-8448b6f56d-c47g7 Total loading time: 0 Render date: 2024-04-20T02:34:00.783Z Has data issue: false hasContentIssue false
  • English
  • Français

Synthesis of α–Fe2O3 particle/oligomer hybrid material

Published online by Cambridge University Press:  31 January 2011

Toshinobu Yogo ,
Tomoyuki Nakamura ,
Ko-ichi Kikuta ,
Wataru Sakamoto  and
Shin-ichi Hirano
Toshinobu Yogo
Affiliation:
Department of Applied Chemistry, School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464–01, Japan
Tomoyuki Nakamura
Affiliation:
Department of Applied Chemistry, School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464–01, Japan
Ko-ichi Kikuta
Affiliation:
Department of Applied Chemistry, School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464–01, Japan
Wataru Sakamoto
Affiliation:
Department of Applied Chemistry, School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464–01, Japan
Shin-ichi Hirano
Affiliation:
Department of Applied Chemistry, School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464–01, Japan
Get access

Abstract

A nanocrystalline α–Fe2O3 particle/oligomer hybrid can be synthesized by polymerization of iron (III) 3-allylacetylacetonate (IAA) followed by in situ hydrolysis. The polymerization of IAA was dependent upon the polymerization temperature and solvent. GPC measurement showed that the polymerization degree of the IAA oligomer ranged from ∼3 to ∼6. The magnetic particle/oligomer hybrid was synthesized by hydrolysis of the IAA oligomer under a neutral or alkaline condition. Crystalline particles from 10 to 40 nm were finely dispersed in the oligomeric matrix, depending upon the hydrolysis conditions. The nanocrystalline particles below 10 nm in diameter were identified to be α−Fe2O3 by electron diffraction. The nanosized α−Fe2O3/oligomer hybrid was found to show superparamagnetic behavior.

Type
Articles
Information
Journal of Materials Research , Volume 11 , Issue 2 , February 1996 , pp. 475 - 482
Copyright
Copyright © Materials Research Society 1996

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.Schmidt, H., in Better Ceramics Through Chemistry, edited by Brinker, C. J., Clark, D. E., and Ulrich, D.R. Mater. Res. Soc. Symp. Proc. 32 (Elsevier Science Publishing, New York, 1984), p. 927.Google Scholar
2.Schmidt, H., J. Non-Cryst. Solids 73, 681 (1985).CrossRefGoogle Scholar
3.Wilkes, G. L., Orler, B., and Huang, H-H., Polym. Prep. 26, 300 (1985).Google Scholar
4.Schmidt, H., Chemical Processing of Advanced Materials, edited by Hench, L.L. and West, J. K. (John Wiley & Sons, New York, 1992), p. 727.Google Scholar
5.Sanchez, C. and Inn, M., J. Non-Cryst. Solids 147/148, 1 (1992).CrossRefGoogle Scholar
6.Pieters, B. R., Williams, R.A., and Webb, C., in Colloid and Surface Engineering: Applications in the Process Industry, edited by Williams, R. A. (Butterworth, Oxford, 1992), p. 248.Google Scholar
7.Nixon, L., Koval, C.A., Noble, D.A., and Slaff, G. S., Chem. Mater. 4, 117 (1992).Google Scholar
8.Ugelstad, J., Berge, A., Ellingsen, T., Aune, O., Kilass, L., Nilsen, T. N., Schmid, R., Stenstad, P., Funderud, S., Kvalheim, G., Nustad, K., Lea, T., Vartdal, F., and Danielsen, H., Makromol. Chem. Macromol. Symp. 17, 177 (1988).CrossRefGoogle Scholar
9.Okada, H., Sakata, K., and Kunitake, T., Chem. Mater. 6, 89 (1990).CrossRefGoogle Scholar
10.Nguyen, M. T. and Diaz, A. F., Adv. Mater. 6, 858 (1994).Google Scholar
11.Davis, R. B. and Hurd, P., J. Am. Chem. Soc. 77, 3284 (1955).Google Scholar
12.Tayim, H. A. and Sabri, M., Inorg. Nucl. Chem. Lett. 9, 753 (1973).CrossRefGoogle Scholar
13.Schidknecht, C. E., Allyl Compounds and Their Polymers (Wiley-Interscience, New York, 1973).Google Scholar
14.Singh, P. R. and Sahai, R., Aust. J. Chem. 22, 1169 (1969).Google Scholar
15.Davydova, S. L. and Plate, N. L., Coord. Chem. Rev. 16, 195 (1975).Google Scholar
16.Higuchi, K., Naka, S., and Hirano, S., Adv. Ceram. Mater. 1, 104 (1986).Google Scholar
17.Takada, T., Denkikagaku 37, 328 (1969).Google Scholar