maurano_recombination_01

Figure 1: Energy level (in eV) of the PV architectures studied. The blue (red) dots and arrows represent the (holes) electrons and their pathway to the (anode) cathode. Green arrows represent the recombination pathways. a) P3HT:PCBM – between a layer of poly(3,4-ethylenedioxythiophene) poly(styrenesulfonate)–Pedot:pss–and ITO and Al as electrodes. b) ClAlPc:C60--between a layer of molybdenum oxide--MoOx--and ITO and Ag as electrodes. c) PbS QD:ZnO--between a layer of MoOx --and Au as anode and ITO as electrodes.