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

Guzelturk, Burak; Kelestemur, Yusuf; Gungor, Kivanc; Yeltik, Aydan; Akgul, Mehmet Zafer; Wang, Yue; Chen, Rui; Dang, Cuong et al. · Adv Mater · 2015

basic_science · Level V

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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.