Sub-single exciton optical gain threshold in colloidal semiconductor quantum wells with gradient alloy shelling

• Main Authors: Taghipour, Nima, Delikanli, Savas, Shendre, Sushant, Sak, Mustafa, Li, Mingjie, Isik, Furkan, Tanriover, Ibrahim, Guzelturk, Burak, Sum, Tze Chien, Demir, Hilmi Volkan
• Other Authors: School of Electrical and Electronic Engineering
• Format: Article
• Language: English
• Published: 2020
• Subjects: Science; Colloidal Quantum Wells; Lasing
• Online Access: https://hdl.handle.net/10356/144175
• Institution: Nanyang Technological University

Colloidal semiconductor quantum wells have emerged as a promising material platform for use in solution-processable lasers. However, applications relying on their optical gain suffer from nonradiative Auger decay due to multi-excitonic nature of light amplification in II-VI semiconductor nanocrystal...