Yb 3+  site occupation and host sensitization luminescence of a novel near‐infrared emitting Sr 2 CaMoO 6 :Yb 3+  phosphor | Zendy

Wang Enyan | Zendy; Zhou Wenli | Zendy; Liu Chunmeng | Zendy; Wang Jing | Zendy; Kuang Xiaojun | Zendy; Ye Yanmei | Zendy; Tang Jinke | Zendy; Su Qiang | Zendy

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Yb 3+ site occupation and host sensitization luminescence of a novel near‐infrared emitting Sr 2 CaMoO 6 :Yb 3+ phosphor

Author(s) -

Wang Enyan,

Zhou Wenli,

Liu Chunmeng,

Wang Jing,

Kuang Xiaojun,

Ye Yanmei,

Tang Jinke,

Su Qiang

Publication year - 2014

Publication title -

physica status solidi (rrl) – rapid research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.786

H-Index - 68

eISSN - 1862-6270

pISSN - 1862-6254

DOI - 10.1002/pssr.201308278

Subject(s) - phosphor , luminescence , raman spectroscopy , quantum yield , ultraviolet , infrared , materials science , ion , analytical chemistry (journal) , optoelectronics , chemistry , optics , physics , fluorescence , organic chemistry , chromatography

The host sensitized near‐infrared (NIR) emitting phosphor Sr 2 CaMoO 6 :Yb 3+ was fabricated by the solid state reaction method. The structural refinement and Raman spectra elucidate that Yb 3+ ions preferentially occupy Ca 2+ sites. The phosphor can harvest ultraviolet (UV)–blue photons and exhibits intense NIR emission at around 1012 nm with full‐width‐at‐half‐maximum of 1635 cm –1 . Moreover, the absolute NIR photoluminesence quantum yield (PLQY) is estimated to be about 9%. The Sr 2 CaMoO 6 :Yb 3+ phosphor may be a promising luminescence downshifting material for improving the spectral response of solar cells in the UV region. (© 2014 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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