jean_nwqdsolarcells_01

Figure 1: (a) Schematic and (b) energy band diagram of a standard planar quantum dot photovoltaic (QDPV) device with parallel light absorption and carrier collection pathways. A modified architecture incorporating ZnO nanowires—shown here by (c) schematic and (d) cross-sectional scanning electron micrograph—decouples absorption from collection and extends the effective depletion width throughout a QD film of arbitrary thickness.

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    ahmed al-obeidi akintunde akinwande anantha chandrakasan brian wardle carl thompson caroline ross center for excitonics charles sodini clifton fonstad dana weinstein dimitri antoniadis duane boning eugene fitzgerald farnaz niroui frances hill gallium nitride gang chen graphene hae-seung lee harry tuller healthcare iii-v materials jeffrey lang jesús del alamo jing kong joel voldman jongyoon han judy l. hoyt karl berggren lionel kimerling luca daniel luis velasquez-garcia marc baldo mildred dresselhaus pablo jarillo-herrero pao lin patrick brown qing hu sang-gook kim silvija gradecak tomas palacios vladimir bulovic vladimir stojanovic yu-chung hsiao zohaib mahmood