Excited State Biexcitons in Atomically Thin MoSe2

a p a ti, S u d h a , Lü, Tiey u, Z h e n g , Jin-C h e n g, Qi n, Qi n g h u a , N e s h ev, D r a g o mir, Ta n, H a r k H o e, Ja g a di s h, C h e n n u p a ti a n d Lu, Yue r ui 2 0 1 7 .Excit e d s t a t e bi excit o n s in a t o mic ally t hi n M o S e 2. ACS N a n o 1 1 (7) , p p. 7 4 6 8-7 4 7 5. 1 0.