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Krisztina Szendrei, Mark Speirs, Widianta Gomulya, Dorota Jarzab, Marianna Manca, Oleksandr V. Mikhnenko, Maksym Yarema, Bart J. Kooi, Wolfgang Heiss and Maria A. Loi Exploring the Origin of the Temperature-Dependent Behavior of PbS Nanocrystal Thin Films and Solar Cells Advanced Functional Materials 22

Version of Record online: 2 FEB 2012 | DOI: 10.1002/adfm.201102320

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Peculiar temperature-dependent electrical and optical properties of cross-linked PbS nanocrystal thin films are demonstrated. Extensive modeling suggests diffusion-dominated charge transport through the inhomogeneously coupled nanocrystal arrays. After benzenedithiol treatment, the thin films exhibit unusual optical properties that can be attributed to partial relaxation of the quantum confinement and opening of alternative recombination pathways.

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