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Colloidal quantum dot solar cells

Solar cells based on solution-processed semiconductor nanoparticles — colloidal quantum dots — have seen rapid advances in recent years. By offering full-spectrum solar harvesting, these cells are poised to address the urgent need for low-cost, high-efficiency photovoltaics.

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Figure 1: Solution-processed quantum dot solar cells.
Figure 2: Optoelectronic device architecture as a driver of colloidal quantum dot solar cell performance.

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Acknowledgements

E.H.S. acknowledges J. Flexman, I. Kramer and S. Masala for their contributions to the manuscript and figures. This publication is based in part on work supported by award KUS-11-009-21 from the King Abdullah University of Science and Technology, the Ontario Research Fund Research Excellence Program, the Natural Sciences and Engineering Research Council of Canada, and Angstrom Engineering and Innovative Technology.

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Correspondence to Edward H. Sargent.

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Sargent, E. Colloidal quantum dot solar cells. Nature Photon 6, 133–135 (2012). https://doi.org/10.1038/nphoton.2012.33

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