纳米颗粒中的量子剪裁产生两个绿色光子。
Quantum cutting in nanoparticles producing two green photons.
作者信息
Lorbeer C, Mudring A-V
机构信息
Inorganic Chemistry III-Materials Engineering and Characterization, Ruhr-Universität Bochum, Universitätsstr. 150, 44801 Bochum, Germany.
出版信息
Chem Commun (Camb). 2014 Nov 11;50(87):13282-4. doi: 10.1039/c4cc04400b. Epub 2014 Sep 17.
PMID:25229069
Abstract
A synthetic route to nanoscale NaGdF4:Ln is presented which allows for quantum cutting based on the Gd-Er-Tb system. This shows, that cross-relaxation and other energy transfer processes necessary for multiphoton emission can be achieved in nanoparticles even if the large surface and the potentially huge amount of killer traps would suggest a lack of subsequent emission.
摘要
本文提出了一种合成纳米级NaGdF4:Ln的路线，该路线实现了基于Gd-Er-Tb体系的量子剪裁。这表明，即使纳米颗粒具有较大的表面积和潜在大量的猝灭陷阱，可能预示缺乏后续发射，但多光子发射所需的交叉弛豫和其他能量转移过程仍能在纳米颗粒中实现。
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