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Advances in Condensed Matter Physics
Volume 2015 (2015), Article ID 797056, 9 pages
Research Article

A Novel Orange-Red Emitting ZnB4O7:Eu3+ Phosphor with Urchin-Like Nanostructure

1Department of Advanced Technology Fusion, Saga University, Honjo-1, Saga 840-8502, Japan
2GBRY Co. Ltd., 1-62-6-201 Higashiyama, Hirakata, Osaka 570-003, Japan

Received 16 April 2015; Accepted 14 June 2015

Academic Editor: David Huber

Copyright © 2015 Hom Nath Luitel et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Supplementary Material

A novel phosphors, ZnB4O7:Eu3+, with urchin like nano-structure consisting of radially arranged high density nanorods were synthesized by hydrothermal process. The nanorods are 200 to 400 nm in diameter while urchins are few μm to 40 μm. The phosphor exhibited bright orange-red luminescence excited by UV or blue light. High thermal stability and better absorbance cross-section than the commercial Y2O2S:Eu3+ red phosphor indicates better usefulness of it for UV or blue light excited LEDs.

  1. Supplementary Material