Photostability of colloidal single photon emitter in near-infrared regime at room temperature

被引：0
|
作者：
靳思玥 [1 ,2 ]
许兴胜 [1 ,2 ,3 ]
机构：
[1] Key Laboratory of Optoelectronic Materials and Devices, Chinese Academy of Sciences
[2] Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences  3. Hefei National Laboratory
来源：
Chinese Physics B | 2024年 / 33卷 / 03期
基金：
中国国家自然科学基金;
关键词：
D O I：
暂无
中图分类号：
O431.2 [量子光学];
学科分类号：
摘要：
The photostability of a colloidal single photon emitter in near-infrared regime at room temperature is investigated.The fluorescence lifetime, blinking phenomenon, and anti-bunching effect of a single CdTeSe/ZnS quantum dot with an emission wavelength of 800 nm at room temperature are studied. The second-order correlation function at zero delay time is much smaller than 0.1, which proves that the emission from single quantum dots at 800 nm is a highly pure single-photon source. The effects of the irradiation duration on the fluorescence from single quantum dots are analyzed. The experimental results can be explained by a recombination model including a multi-nonradiative recombination center model and a multicharged model.
引用
收藏
页码：590 / 595
页数：6
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