镓掺杂诱导的同时尺寸/形状控制、增强的红色上转换发光以及改善的 ZnO:Yb/Tm 的 X 射线成像用于多功能纳米探针。
Ga Doping Induced Simultaneous Size/Shape Control, Enhanced Red Upconversion Luminescence, and Improved X-ray Imaging of ZnO:Yb/Tm for Multifunctional Nanoprobes.
机构信息
School of Chemistry and Chemical Engineering , Harbin Institute of Technology , Harbin , Heilongjiang 150001 , China.
Key Laboratory of Hormones and Development (Ministry of Health), Tianjin Key Laboratory of Metabolic Diseases, Tianjin Metabolic Diseases Hospital & Tianjin Institute of Endocrinology , Tianjin Medical University , 300070 Tianjin , China.
出版信息
Inorg Chem. 2018 Oct 1;57(19):12166-12173. doi: 10.1021/acs.inorgchem.8b01799. Epub 2018 Sep 10.
We report that the efficient Ga-doped ZnO:Yb/Tm (7/0.5 mol %) upconversion nanoparticles (UCNPs) can simultaneously control size/shape and enhance red upconversion luminescence (UCL) by transition-metal Ga doping. The dynamic decay time reveals that the intensity of red upconversion luminescence increases with increasing Ga content. Furthermore, upconversion nanoparticles are fabricated through silica layer with Stöber method. The lung of mouse with the ZnO:Ga/Yb/Tm@SiO injection can be readily visualized using X-ray imaging, which will influence the field of biological probe based on UCNPs@SiO.
我们报告称，高效掺镓 ZnO:Yb/Tm（7/0.5mol%）上转换纳米粒子（UCNPs）可通过过渡金属镓掺杂同时控制尺寸/形状并增强红色上转换发光（UCL）。动态衰减时间表明，红色上转换发光强度随镓含量的增加而增加。此外，通过 Stöber 法用二氧化硅层制备上转换纳米粒子。利用 X 射线成像可以很容易地观察到注射了 ZnO:Ga/Yb/Tm@SiO 的小鼠的肺部，这将影响基于 UCNPs@SiO 的生物探针领域。
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