Materials interface engineering for solution-processed photovoltaics
KAUST Grant NumberKUS-11-009-21
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AbstractAdvances in solar photovoltaics are urgently needed to increase the performance and reduce the cost of harvesting solar power. Solution-processed photovoltaics are cost-effective to manufacture and offer the potential for physical flexibility. Rapid progress in their development has increased their solar-power conversion efficiencies. The nanometre (electron) and micrometre (photon) scale interfaces between the crystalline domains that make up solution-processed solar cells are crucial for efficient charge transport. These interfaces include large surface area junctions between photoelectron donors and acceptors, the intralayer grain boundaries within the absorber, and the interfaces between photoactive layers and the top and bottom contacts. Controlling the collection and minimizing the trapping of charge carriers at these boundaries is crucial to efficiency. © 2012 Macmillan Publishers Limited. All rights reserved.
CitationGraetzel M, Janssen RAJ, Mitzi DB, Sargent EH (2012) Materials interface engineering for solution-processed photovoltaics. Nature 488: 304–312. Available: http://dx.doi.org/10.1038/nature11476.
SponsorsE.H.S acknowledges that this Review is based, in part, on work supported by an award (no. KUS-11-009-21) made by King Abdullah University of Science and Technology (KAUST), by the Ontario Research Fund Research Excellence Program and by the Natural Sciences and Engineering Research Council (NSERC) of Canada. E. H. S acknowledges the contribution of I. Kramer, S. Thon and O. Voznyy to the figures and text. M. G. acknowledges that this Review is based, in part, on work supported by the Stanford University Center of Advanced Molecular Photovoltaics (CAMP) under an award (no. KUS-C1-015-21) made by KAUST and by the European Research Council (ERC) under the Advanced Research Grant No. 247404 (Mesolight project).
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