Understanding the Photoluminescence Quenching of Liquid Exfoliated WS<sub>2</sub> Monolayers
Zhaojun Li, Farnia Rashvand, Hope Bretscher, Beata M. Szydłowska, James Xiao, Claudia Backes, Akshay Rao
Abstract
dispersions is a major reason for their quenched PL. Our results suggest that LPE TMDs are not inherently highly defective and could have a high potential for optoelectronic device applications if improved strategies to purify the LPE materials and reduce aggregation could be implemented.
Topics & Concepts
MonolayerPhotoluminescenceMaterials scienceExfoliation jointOptoelectronicsExcitonQuenching (fluorescence)Band gapNanotechnologyOpticsFluorescenceGrapheneCondensed matter physicsPhysics2D Materials and ApplicationsGraphene research and applicationsPerovskite Materials and Applications