Skip to main content

Preparation and Characterization of Fibrous Cerium Oxide Templated from Activated Carbon Fibers

  • Mark Crocker (a1), Uschi M. Graham (a1), Rolando Gonzalez (a1), Erin Morris (a1), Gary Jacobs (a1) and Rodney Andrews (a1)...

High surface area cerium oxide has been prepared using a carbon templating method. Impregnation of a highly mesoporous activated carbon (Darco KB-B) with an aqueous solution of cerium nitrate, followed by carbon burn off, afforded ceria with surface area of up to 148 m2/g. According to thermogravimetric studies, ceria formation proceeds via decomposition of cerium nitrate at ca. 410 K; oxidation of the carbon template commences at the same temperature, being facilitated by the release of NO2 from the Ce compound. Use of activated carbon fibers (ACFs) as template was found to provide a simple route to fibrous cerium oxide. The lower surface areas (3 - 59 m2/g) of the resulting ceria fibers reflect the largely microporous nature of the ACFs; evidently the Ce nitrate solution is unable to penetrate their micropores. Consequently, the surface area of the ceria product is found to increase with increasing mesoporosity of the ACF template. Electron microscopy reveals that the ceria fibers are composed of highly crystalline primary particles of 5-10 nm diameter; further, the fibers display a number of interesting morphological features at the macro- and nano-scales.

Hide All
1. Kaspar, J., Fornasiero, P. and Graziani, M., Catal. Today 50, 285 (1990).
2. Yoo, J., Bhattacharyya, A., Radlowski, C. and Karch, J., Appl. Catal. B: Environmental 1, 169 (1992).
3. Trovarelli, A., C. de Leitenburg, Boaro, M. and Dolcetti, G., Catal. Today 50, 353 (1999).
4. Jacobs, G., Williams, L., Graham, U.M., Thomas, G.A., Sparks, D.E. and Davis, B.H., Appl. Catal. A: General 252, 107 (2003).
5. Liu, Y., Fu, Q. and Stephanopoulos, M. F., Catal. Today 93-95, 241 (2004).
6. Schwickardi, M., Johann, T., Schmidt, W. and Schüth, F., Chem. Mater. 14, 3913 (2002).
7. Ozawa, M. and Kimura, M., J. Mater. Sci. Lett. 9, 446 (1990).
8. Wakayama, H., Itahara, H., Tatsuda, N., Inagaki, S. and Fukushima, Y., Chem. Mater. 13, 2392 (2001).
9. Yue, Z., Pripusich-Sienkiewicz, K.E. and Economy, J., Preprints of extended abstracts, Div. of Environmental Chemistry, ACS National Meeting, N.Y., 43(2), 432 (2003).
10. Kim, H.J., Nam, K.H. and Shul, Y.G., Mater. Sci. Forum 439, 271 (2003).
11. Dong, A., Ren, N., Tang, Y., Wang, Y., Zhang, Y., Hua, W. and Gao, Z., J. Am. Chem. Soc. 125, 4976 (2003).
12. Kim, J.Y., Yoon, S.B. and Yu, J.-S., Chem. Commun., 790 (2003).
13. Kim, J.M., Kang, M., Yi, S.H., Yie, J.E., Joo, S.H. and Ryoo, R., Stud. Surf. Sci. Catal. 146 (Nanotechnology in Mesostructured Materials), 53 (2003).
14. Ajayan, P.M., Stephan, O., Redlich, Ph. and Colliex, C., Nature 375, 564 (1995).
15. Satishkumar, B.C., Govindaraj, A., Nath, M. and Rao, C.N.R., J. Mater. Chem. 10, 2115 (2000).
16. Summers, J.C., Houtte, S. Van and Psaras, D., Appl. Catal. B: Environmental 10, 139 (1996).
Recommend this journal

Email your librarian or administrator to recommend adding this journal to your organisation's collection.

MRS Online Proceedings Library (OPL)
  • ISSN: -
  • EISSN: 1946-4274
  • URL: /core/journals/mrs-online-proceedings-library-archive
Please enter your name
Please enter a valid email address
Who would you like to send this to? *


Full text views

Total number of HTML views: 0
Total number of PDF views: 2 *
Loading metrics...

Abstract views

Total abstract views: 27 *
Loading metrics...

* Views captured on Cambridge Core between September 2016 - 22nd April 2018. This data will be updated every 24 hours.