Highly Luminescent Self-Organized Sub-2-nm EuOF Nanowires

Ya-Ping Du†, Ya-Wen Zhang*†, Zheng-Guang Yan‡, Ling-Dong Sun† and Chun-Hua Yan*†
Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications & PKU-HKU Joint Laboratory in Rare Earth Materials and Bioinorganic Chemistry, Peking University, Beijing 100871, China, and Microstructure & Properties of Advanced Materials, Beijing University of Technology, Beijing 100022, China
J. Am. Chem. Soc., 2009, 131 (45), pp 16364–16365
DOI: 10.1021/ja9080088
Publication Date (Web): October 26, 2009
Copyright © 2009 American Chemical Society
yan@pku.edu.cn; ywzhang@pku.edu.cn., †

Peking University.

, ‡

Beijing University of Technology.

Abstract

Abstract Image

Monodisperse sub-2-nm EuOF nanowires were obtained by manipulating the fluorophilicity between crystalline seeds and capping surfactant molecules during the thermolysis of Eu(CF3COO)3 in oleic acid (OA) and oleylamine (OM). The uniform EuOF nanowires can self-organize on substrates to form parallel aligned superstructures and display strong Eu3+red emissions with high quantum yields of 65% under the UV light excitations due to the presence of dense surface Eu3+ sites in the ultrathin nanowires as well as the passivation of the surface defects by the capping ligands.

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History

  • Published In Issue November 18, 2009
  • Article ASAPOctober 26, 2009
  • Received: September 21, 2009

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