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JOURNAL ARTICLE

ZnO nanowire arrays for enhanced photocurrent in PbS quantum dot solar cells

Joel Jean, Sehoon Chang, Patrick R Brown, Jayce J Cheng, Paul H Rekemeyer, Moungi G Bawendi, Silvija Gradečak, Vladimir Bulović

Advanced Materials 2013 May 28, 25 (20): 2790-6

Vertical arrays of ZnO nanowires can decouple light absorption from carrier collection in PbS quantum dot solar cells and increase power conversion efficiencies by 35%. The resulting ordered bulk heterojunction devices achieve short-circuit current densities in excess of 20 mA cm(-2) and efficiencies of up to 4.9%.

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