CdSe/CdS 量子点中的稳定和低阈值光增益：全胶体频率上转换激光。

Stable and Low-Threshold Optical Gain in CdSe/CdS Quantum Dots: An All-Colloidal Frequency Up-Converted Laser.

机构信息

Department of Electrical and Electronics Engineering, Department of Physics, and UNAM-National, Nanotechnology Research Center, Institute of Materials Science and Nanotechnology, Bilkent University, TR-06800, Bilkent, Ankara, Turkey.

出版信息

Adv Mater. 2015 May 6;27(17):2741-6. doi: 10.1002/adma.201500418. Epub 2015 Mar 24.

DOI:10.1002/adma.201500418

PMID:25807924

Abstract

An all-solution processed and all-colloidal laser is demonstrated using tailored CdSe/CdS core/shell quantum dots, which exhibit highly stable and low-threshold optical gain owing to substantially suppressed non-radiative Auger recombination.

摘要

利用经量身定制的 CdSe/CdS 核壳量子点，演示了一种全溶液处理和全胶体的激光，由于非辐射性的 Auger 复合被极大地抑制，该量子点表现出高稳定性和低阈值的光学增益。