Asymmetric valley polarization and photoluminescence in MoS2/MoO3 heterostructure Shi, Wen-Bo ; He, Jie ; Li, Qing-Xuan ; She, Xi-Chao ; Wang, Di ; Jing, Hao ; Zhang, Rui-Li ; Zhao, Jin-Zhu ; Peng, Ru-Wen ; Xu, Hu ; Wang, Mu Abstract Publication: Optics Express Pub Date: December 2019 DOI: 10.1364/OE.27.038451 Bibcode: 2019OExpr..2738451S