Upconversion Photoluminescence Properties of  KGd ( WO 4  ) 2 :Ho 3+ /Yb 3+  Phosphors Synthesized by Microwave‐assisted Sol‐Gel Method | Zendy

Lim Chang Sung | Zendy

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Upconversion Photoluminescence Properties of KGd ( WO 4 ) 2 :Ho 3+ /Yb 3+ Phosphors Synthesized by Microwave‐assisted Sol‐Gel Method

Author(s) -

Lim Chang Sung

Publication year - 2015

Publication title -

bulletin of the korean chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.237

H-Index - 59

ISSN - 1229-5949

DOI - 10.1002/bkcs.10037

Subject(s) - photon upconversion , tungstate , phosphor , raman spectroscopy , materials science , photoluminescence , analytical chemistry (journal) , doping , dopant , chemistry , optoelectronics , optics , physics , chromatography , metallurgy

Under excitation at 980 nm, the UC intensities of KGd 0.7 (WO 4 ) 2 :Ho 0.1 Yb 0.2 and KGd 0.5 (WO 4 ) 2 Ho 0.05 Yb 0.45 particles exhibited yellow emissions based on strong 550‐ and 655‐nm emission bands in the green and red regions, respectively, which in turn were assigned to the 4 S 2 / 5 F 4 → 5 I 8 and 5 F 5 → 5 I 8 transitions, respectively.

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