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. 2018 Dec 17;9:5335. doi: 10.1038/s41467-018-07807-5

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© The Author(s) 2018

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 4 — Device characteristics and stability of cs-NP-based organic solar cells. a Light current–voltage, b EQE, c photocurrent as function of effective voltage, d IQE values at wavelength of 730 nm as function of applied bias, e Photo-CELIV traces after a delay time of 1 µs, f Charge carrier lifetime τ, obtained from TPV, as function of charge density n, calculated from CE measurements under V_OC conditions and g PCE in the course of 2000 h light exposure with UV filter in N₂ atmosphere of P3HT:IDTBR-based solar cells processed by BHJ THF solution, water dispersion with NPs (SDS) and water dispersion with cs-NPs. Device architecture: glass/ITO/ZnO/active layer/MoO_x/Ag