Communication

Up- and Down-Conversion Cubic Zirconia and Hafnia Nanobelts†

  1. Changlong Jiang1,
  2. Feng Wang1,
  3. Nianqiang Wu2,*,
  4. Xiaogang Liu1,*

Article first published online: 20 OCT 2008

DOI: 10.1002/adma.200801459

Issue

Advanced Materials

Advanced Materials

Volume 20, Issue 24, pages 4826–4829, December 17, 2008

Additional Information

How to Cite

Jiang, C., Wang, F., Wu, N. and Liu, X. (2008), Up- and Down-Conversion Cubic Zirconia and Hafnia Nanobelts. Adv. Mater., 20: 4826–4829. doi: 10.1002/adma.200801459

Author Information

  1. 1

    Department of Chemistry, National University of Singapore 3 Science Drive 3, Singapore 117543 (Singapore)

  2. 2

    Department of Mechanical and Aerospace Engineering West Virginia University, Morganton, WV 36506 (USA)

*Department of Mechanical and Aerospace Engineering West Virginia University, Morganton, WV 36506 (USA).

  1. †

    This study was supported by NUS Academic Research Fund (grant nos. R-143-000-317 and R-143-000-342) and a Young Investigator Award (grant no. R-143-000-318) to X. L. by NUS. N. W. acknowledges the partial financial support of WVNano Nanoscience Initiative Fund through the West Virginia University Research Corporation. X. L. is grateful to Y. Han for helpful discussions. Supporting Information is available online from Wiley InterScience or from the author.

Publication History

  1. Issue published online: 16 DEC 2008
  2. Article first published online: 20 OCT 2008
  3. Manuscript Received: 28 MAY 2008

Funded by

  • NUS Academic Research Fund. Grant Numbers: R-143-000-317, R-143-000-342
  • Young Investigator Award. Grant Number: R-143-000-318)

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Keywords:

  • cubic;
  • nanobelts;
  • nanoparticles;
  • oxide-semiconductor;
  • up-conversion
Thumbnail image of graphical abstract

Single-crystalline, cubic ZrO2- and HfO2 nanobelts have been fabricated via a direct thermal-decomposition process under atmospheric pressure. The formation of cubic nanobelts can be controlled by varying the dopant concentration of nanobelt precursors, heating temperatures, and heating rates. The lanthanide-doped nanobelts show a dual capability for both down- and up-conversion emissions (see picture) in the visible range.

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