Controlling the influence of Auger recombination on emission from colloidal quantum dots by photonic crystal

被引：0
|
作者：
Xu, Xingsheng [1 ]
机构：
[1] Chinese Acad Sci, State Key Lab Integrated Optoelect, Beijing 100083, Peoples R China
来源：
OPTICS LETTERS | 2014年 / 39卷 / 13期
基金：
中国国家自然科学基金;
关键词：
2-PHOTON; EXCITATION;
D O I：
10.1364/OL.39.003806
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
By investigating the time-resolved spectra of colloidal quantum dots (QDs) on silicon nitride (SiN) photonic crystals (PhCs), it is found that the ratio of charged-exciton (trion) emission and the multiexciton emission to the total emission can be controlled by two-dimensional PhCs. Even by conservative estimates, the ratios of trion to total emission from QDs on PCs reaches 10%, which is much larger than that of the dark state seen in the blinking phenomenon of single QDs. Therefore Auger recombination could be controlled by SiN PhCs. (C) 2014 Optical Society of America
引用
收藏
页码：3806 / 3809
页数：4
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