Nano Research

, Volume 2, Issue 7, pp 565–574

Shape-controlled synthesis of octahedral α-NaYF4 and its rare earth doped submicrometer particles in acetic acid

Open Access
Research Article

Abstract

Submicrometer sized pure cubic phase, Eu3+ doped, and Yb3+/Er3+ co-doped α-NaYF4 particles with octahedral morphology have been prepared in acetic acid. The acetate anion plays a critical role in the formation of such symmetric octahedral structures through its selective adsorption on the (111) faces of the products. The size of the as-prepared octahedra can be tuned by varying the amount of sodium acetate added to the acetic acid. A possible formation mechanism for these octahedra has been proposed. The doped α-NaYF4 octahedral submicrometer particles show down-conversion and up-conversion photoluminescence typical of these materials.

Keywords

α-NaYF4 octahedral acetic acid photoluminescence 

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Copyright information

© Tsinghua University Press and Springer Berlin Heidelberg 2009

Authors and Affiliations

  1. 1.State Key Laboratory of Rare Earth Resource UtilizationChangchun Institute of Applied ChemistryChangchunChina
  2. 2.Graduate School of the Chinese Academy of SciencesBeijingChina
  3. 3.Division of Chemical and Biomolecular EngineeringNanyang Technological UniversitySingaporeSingapore

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