Abstract
Exciton Linewidth Due to strong multiparticle interactions in 2D transition metal dichalcogenides at room temperature, their homogeneous exciton linewidths are significantly broadened, degrading the quality of their excitonic mode and emission. In article number 2108721, Yuebing Zheng and co-workers achieve near-intrinsic exciton linewidth in monolayer WS2 at room temperature, approaching the theoretical limit at 0 K. A dielectric nanosphere is designed to boost the dynamic competition between exciton and trion decay channels, rebuilding the excitonic relaxation processes with suppressed exciton nonradiative recombination.
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