Investigation of the up-conversion properties of Er–Yb-doped calcium tantalates with various Ca/Ta ratios

Sayaka Tamura, Michio Iwaoka, Yasushi Sato, Makoto Kobayashi, Masato Kakihana, Koji Tomita

研究成果: Article

3 引用 (Scopus)

抜粋

Er3+/Yb3+ co-doped calcium tantalate up-conversion (UC) phosphors were synthesized via a parallel synthesis scheme using the gelable citrate complex method. Samples with various Ca/Ta atomic ratios were prepared, and their UC emission properties were compared. Under 980-nm near-infrared laser excitation, α-Ca2Ta2O7: Er3+, Yb3+ showed an extremely weak UC emission intensity and CaTa4O11: Er3+, Yb3+ demonstrated an excellent UC emission intensity. In addition, the local symmetry around the rare-earth dopant ions affected the UC luminescence properties.

元の言語English
ページ(範囲)507-512
ページ数6
ジャーナルJournal of Photopolymer Science and Technology
30
発行部数4
DOI
出版物ステータスPublished - 2017 1 1

ASJC Scopus subject areas

  • Polymers and Plastics
  • Organic Chemistry
  • Materials Chemistry

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