Liquid phase exfoliation of MoS2 and WS2 in aqueous ammonia and their application in highly efficient organic solar cells - Adilbekova,B; Lin,Y; Yengel,E; Faber,H; Harrison,G; Firdaus,Y; El-Labban,A; Anjum,DH; Tung,V; Anthopoulos,TD (JOURNAL OF MATERIALS CHEMISTRY C, 2020)