Yb3+-Tm3+共掺BiOBr纳米晶的近红外上转换发光特性研究
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
LI Yong-Jin1, LIU Qun2, ZHOU Yu-Ting2, QIU Jian-Bei2, SONG Zhi-Guo2
(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