Nano Research

, Volume 7, Issue 8, pp 1093–1102 | Cite as

Hollow spherical rare-earth-doped yttrium oxysulfate: A novel structure for upconversion

  • Gen Chen
  • Fashen Chen
  • Xiaohe LiuEmail author
  • Wei Ma
  • Hongmei Luo
  • Junhui LiEmail author
  • Renzhi Ma
  • Guanzhou Qiu
Research Article


A facile biomolecule-assisted hydrothermal route followed by calcination has been employed for the preparation of monoclinic yttrium oxysulfate hollow spheres doped with other rare-earth ions (Yb3+ and Eu3+ or Er3+). The formation of hollow spheres may involve Ostwald ripening. The resulting hybrid materials were used for upconversion applications. The host crystal structure allows the easy co-doping of two different rare-earth metal ions without significantly changing the host lattice. The luminescent properties were affected by the ratio and concentration of dopant rare-earth metal ions due to energy transfer and the symmetry of the crystal field. The type of luminescent center and the crystallinity of samples were also shown to have a significant influence on the optical properties of the as-prepared products.


Y2O2SO4 Hollow sphere Hydrothermal Ostwald ripening Upconversion 


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Supplementary material

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Copyright information

© Tsinghua University Press and Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  1. 1.Department of Inorganic Materials, School of Resources Processing and BioengineeringCentral South UniversityChangsha, HunanChina
  2. 2.Department of Chemical EngineeringNew Mexico State UniversityLas CrucesUSA
  3. 3.State Key Laboratory of High Performance Complex Manufacturing, School of Mechanical and Electronical EngineeringCentral South UniversityChangsha, HunanChina
  4. 4.International Center for Materials Nanoarchitectonics (MANA)National Institute for Materials Science (NIMS)Tsukuba, IbarakiJapan

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