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Highly efficient polycarbazole-based organic photovoltaic devices

From National Research Council Canada

DOIResolve DOI: https://doi.org/10.1063/1.3182797
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Affiliation
  1. National Research Council of Canada. NRC Institute for Microstructural Sciences
FormatText, Article
Abstract
We combined experimental and computational approaches to tune the thickness of the films in poly(N-9′-heptadecanyl-2,7-carbazole-alt-5,5-(4′,7′-di-2-thienyl-2′,1′,3′-benzothiadiazole) (PCDTBT)-based organic solar cells to maximize the solar absorption by the active layer. High power-conversion efficiencies of 5.2% and 5.7% were obtained on PCDTBT-based solar cells when using [6,6]-phenyl C61-butyric acid methyl ester (PC60BM) and [6,6]-phenyl C71-butyric acid methyl ester (PC70BM) as the electron acceptor, respectively. The cells are designed to have an active area of 1.0 cm2, which is among the largest organic solar cells in the literature, while maintaining a low series resistance of 5 Ω cm2.
Publication date
PublisherAIP Publishing
In
  • Applied Physics Letters 95, no. 6, 063304.
LanguageEnglish
Peer reviewedYes
NPARC number23004966
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Record identifierad19a0d2-bd24-4318-96ac-12c9d3935b37
Record created2019-01-24
Record modified2020-04-16
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