Photoluminescence Properties of Hierarchical YBO3: Eu3+ Nanostructures

Sandeep Sohal, Xianwen Zhang, Archis Marathe, V. V. Kuryatkov, Marauo Davis, Louisa J. Hope-Weeks, Jharna Chaudhuri, Mark Holtz

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

We report optical properties of nano- and micro-structures of YV.Oz:u3+ synthesized using a hydro(solvo)thermal approach. Photoluminescence (PL) properties were examined under different excitation wavelengths, ranging from the deep to the near ultraviolet. Single crystal nanoflakes gathered together to evolve into a hierarchical structures through self assembly processes with eight different types of three dimensional morphologies. The samples show strong orange (O) and red (R) PL at 591, 611, 627 nm at all excitation wavelengths. The PL originates from 5Do - 7Fj (J = 1, 2, 3, 4) transition levels of Eu3+. YV.Oz:u3+ prepared using ethanol solvent has the highest R/O ratio with chromaticity coordinates. We observed that the R/O ratio increases as we go from deep to near ultraviolet excitation, making them attractive candidate for producing red emission in white light emitting diodes.

Original languageEnglish
Title of host publicationTMS 2013 142nd Annual Meeting and Exhibition, Annual Meeting
PublisherWiley-Blackwell
Pages119-125
Number of pages7
ISBN (Electronic)9781118663547
ISBN (Print)9781118605813
DOIs
StatePublished - Jan 1 2013

Keywords

  • Chromaticity
  • Nano-and micro-structures
  • Photoluminescence

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    Sohal, S., Zhang, X., Marathe, A., Kuryatkov, V. V., Davis, M., Hope-Weeks, L. J., Chaudhuri, J., & Holtz, M. (2013). Photoluminescence Properties of Hierarchical YBO3: Eu3+ Nanostructures. In TMS 2013 142nd Annual Meeting and Exhibition, Annual Meeting (pp. 119-125). Wiley-Blackwell. https://doi.org/10.1002/9781118663547.ch16