Encapsulation narrows excitonic homogeneous linewidth of exfoliated MoSe2 monolayerW. Martin Eric, Jason Horng, G. Ruth Hanna, Eunice Paik, Michael-Henr Wentzel, Hui Deng and T. Cundiff StevenEPJ Web Conf., 205 (2019) 06021DOI: https://doi.org/10.1051/epjconf/201920506021