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Yb3+-Tm3+共掺BiOBr纳米晶的近红外上转换发光特性研究
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李永进1 , 刘群2, 周玉婷2, 邱建备2, 宋志国2 |
Near-infrared Upconversion Luminescences Properties of Yb3+-Tm3+ Co-doped BiOBr Nanocrystals
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LI Yong-Jin 1 , LIU Qun 2, ZHOU Yu-Ting 2, QIU Jian-Bei 2, SONG Zhi-Guo 2
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(a)980 nm激发下BiOBr: Yb3+, Tm3+纳米晶随Yb3+离子浓度变化的上转换光谱图; (b)485、655 和801 nm波长发光强度与Yb3+离子浓度变化的关系图 |
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