Stable and low-threshold optical gain in CdSe/CdS quantum dots : an all-colloidal frequency up-converted laser

• Main Authors: Guzelturk, Burak, Kelestemur, Yusuf, Gungor, Kivanc, Yeltik, Aydan, Akgul, Mehmet Zafer, Wang, Yue, Chen, Rui, Dang, Cuong, Sun, Handong, Demir, Hilmi Volkan
• Other Authors: School of Electrical and Electronic Engineering
• Format: Article
• Language: English
• Published: 2015
• Subjects: DRNTU::Engineering::Materials::Functional materials
• Online Access: https://hdl.handle.net/10356/96909; http://hdl.handle.net/10220/25632
• Institution: Nanyang Technological University

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.