Fig. 5From: The Two-Dimensional Nanocomposite of Molybdenum Disulfide and Nitrogen-Doped Graphene Oxide for Efficient Counter Electrode of Dye-Sensitized Solar Cells a CV results of the I−/I3 − redox system for Pt, nGO, MoS 2 , and MoS 2 /nGO CEs. b Nyquist plots based on Pt, nGO, MoS 2 , and MoS 2 /nGO CEs. c Tafel polarization curves of the Pt, nGO, MoS 2 , and MoS 2 /nGO CEs. d Photovoltaic characteristic efficiencies of DSSCs based on Pt, nGO, MoS 2 , and MoS 2 /nGO CEsBack to article page