29 April 2016 Optical and THz reflectance investigations of organic solar cells
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Two Organic Photovoltaic devices having a photoactive layer containing Poly[N-9′-heptadecanyl-2,7-carbazole-alt-5,5- (4′,7′-di-2-thienyl-2′,1′,3′-benzothiadiazole)] (PCDTBT) and [6,6]-phenyl C61-butyric acid methyl ester (PCBM, 99%), and the layer sequences – glass/ITO/ZnO/PAL/PEDOT:PSS/Ag/encapsulation were non-destructively investigated by diffuse optical spectral reflectance, THz spectroscopy and THz imaging. The proposed methods proved to be powerful tools to support quality assurance in organic solar cells development, facilitating both the localization of manufacturing defects and the device degradation, as they are combined with “classical” evaluation means.
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Dan Sporea, Dan Sporea, Laura Mihai, Laura Mihai, Adelina Sporea, Adelina Sporea, Yulia Galagan, Yulia Galagan, } "Optical and THz reflectance investigations of organic solar cells", Proc. SPIE 9898, Photonics for Solar Energy Systems VI, 989814 (29 April 2016); doi: 10.1117/12.2230693; https://doi.org/10.1117/12.2230693

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