Synthesis and optical properties of T2.9Al5O12:0.1Ce3+ phosphor film from facile sol-gel technology

Yunyun Zhao, Huarui Xu, Xiuyun Zhang, Guisheng Zhu, Dongliang Yan, Qia Ling, Minsheng Chen, Aibing Yu

Research output: Contribution to journalArticleOtherpeer-review

3 Citations (Scopus)

Abstract

Transparent and homogenous T2.9Al5O12:0.1Ce3+(TAG:Ce3+) phosphor film with thickness of 5 μm and nano-crystalline particles about 60 nm was firstly synthesized by sol-gel technology via 40 layers deposition, which introduced the nitrates combustion process into the conventional sol-gel method using terbium, cerium, aluminum nitrates as precursors, glycine and urea as fuel. The as-synthesized TAG:Ce3+phosphor film exhibited good optical properties with strong absorption in the ultraviolet-light and blue-light range, and considerable photoluminescence performances, which displayed a broad emission peak centered at 551 nm with a quantum yield (QY) of 49% under 457 nm excitation and an enlarged full width of about 10 nm at the half maximum as well as a red-shifted emission of about 19 nm, in contrast to the commercial YAG:Ce3+phosphor tested, which would be suitable for application in solid-state devices such as WLEDs and display systems.

Original languageEnglish
Pages (from-to)223-226
Number of pages4
JournalMaterials Letters
Volume173
DOIs
Publication statusPublished - 15 Jun 2016

Keywords

  • Photoluminescence
  • Sol-gel
  • TAG:Ce3+ film
  • WLED

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