Journal
SOLAR ENERGY
Volume 135, Issue -, Pages 848-853Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.solener.2016.06.055
Keywords
Photovoltaic cells; Ellipsometry; Helicenes; Thin films
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This article presents results of a study of photovoltaic devices based on organic compounds, called SP69, SP70, SP71-helical structures containing 7-membered fused rings. During tests heterojunction solar cells were built with ITO/PEDOT:PSS/organic active layer/aluminum architecture, in which an active layer was two- or three-component organic compounds mixture. Parameters characterizing a photovoltaic cell were determined based on current-voltage characteristics. Conversion efficiency of light energy for helicene and P3HT active layer was about 1%, for P3HT:PCBM and helicene about 2%. There was also ellipsometric spectroscopy research performed. (C) 2016 Elsevier Ltd. All rights reserved.
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