Analysis of upconversion luminescence from Yb3+, Er3+ co-doped SrMoO4 (Yb3+와 Er3+ 이온이 동시 도핑 된 SrMoO4에서 발생되는 업컨버젼 현상에 대한 분석)

정준호; 허태형; 이정훈; 이상엽; Suk Hyun Kang (강석현); 김소연; 김새암; Bonggeun Choi (최봉근); Kwang Bo Shim (심광보)

doi:10.6111/JKCGCT.2012.22.5.241

Analysis of upconversion luminescence from Yb3+, Er3+ co-doped SrMoO4

Journal of the Korean Crystal Growth and Crystal Technology
Abbr : J. Korean Cryst. Growth Cryst. Technol.
2012, 22(5), pp.241-246
DOI : 10.6111/JKCGCT.2012.22.5.241
Publisher : The Korea Association Of Crystal Growth, Inc.
Research Area : Engineering > Materials Science and Engineering

정준호 ¹, 허태형 ¹, 이정훈 ¹, 이상엽 ¹, Suk Hyun Kang ¹, 김소연 ¹, 김새암 ¹, Bonggeun Choi ¹, Kwang Bo Shim ¹

¹한양대학교

Accredited

ABSTRACT

Yb3+, Er3+ co-doped SrMoO4 (SrMoO4 : Yb3+/Er3+) specimens have been successfully synthesized via the complex citrate-gel method and their structural and optical properties were investigated in detail. Under 980 nm excitation,SrMoO4 : Yb3+/Er3+ UC phosphors have been emitted strong green luminescence at 530 and 550 nm with weak red emission around 670 nm corresponding to the intra 4f transitions of Er3+ (4F9/2, 2H11/2, 4S3/2) → Er3+ (4I15/2). The optimal doping concentrations of Er3+ and Yb3+ ions were verified to 2/16 mol% and a possible upconversion mechanism depending on pump power dependence is studied in detail.

KEYWORDS

SrMoO4 : Yb3+/Er3+, upconversion (UC) luminescence, upconversion mechanism

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Journal of the Korean Crystal Growth and Crystal Technology 2023 KCI Impact Factor : 0.19

Analysis of upconversion luminescence from Yb3+, Er3+ co-doped SrMoO4

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Journal of the Korean Crystal Growth and Crystal Technology 2023 KCI Impact Factor : 0.19

Analysis of upconversion luminescence from Yb3+, Er3+ co-doped SrMoO4

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