Research Collection Journal Article Increased efficiency in pn-junction PbS QD solar cells via NaHS treatment of the p-type layer Author(s): Speirs, Mark J.; Balazs, Daniel M.; Dirin, Dmitry N.; Kovalenko, Maksym V.; Loi, Maria Antonietta Publication Date: 2017-03 Permanent Link: https://doi.org/10.3929/ethz-b-000130167 Originally published in: Applied Physics Letters 110(10), http://doi.org/10.1063/1.4978444 Rights / License: In Copyright - Non-Commercial Use Permitted This page was generated automatically upon download from the ETH Zurich Research Collection . For more information please consult the Terms of use . ETH Library