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Facile Preparation, Characterization of Flexible Organic Solar Cells Using P3HT-MWCNTS Composite Photoactive Layer
Advanced Research Group of Nano-Semiconducting Materials and Devices (ARGD), University of Engineering and Technology, VNU in Hanoi, Hanoi, Vietnam
Advanced Research Group of Nano-Semiconducting Materials and Devices (ARGD), University of Engineering and Technology, VNU in Hanoi, Hanoi, Vietnam
Advanced Research Group of Nano-Semiconducting Materials and Devices (ARGD), University of Engineering and Technology, VNU in Hanoi, Hanoi, Vietnam
- 1 Advanced Research Group of Nano-Semiconducting Materials and Devices (ARGD), University of Engineering and Technology, VNU in Hanoi, Hanoi, Vietnam
- 2 Advanced Research Group of Nano-Semiconducting Materials and Devices (ARGD), University of Engineering and Technology, VNU in Hanoi, Hanoi, Vietnam
- 3 Advanced Research Group of Nano-Semiconducting Materials and Devices (ARGD), University of Engineering and Technology, VNU in Hanoi, Hanoi, Vietnam
Journal of Materials Science and Chemical Engineering·Volume 08 (2020)·Pages 1–10·Published 30 September 2020·DOI10.4236/msce.2020.810001
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Abstract
Multiwalled carbon nanotubes (MWCNTs) mixed in poly(3-hexylthiophene) (P3HT) were used as a photoactive layer for organic solar cells (OSC). The flexible OSCs of a structure of PET/rGO-P3HT/P3CT/PCBM/LiF-Al were prepared by spincoating. The UV-Vis absorption spectra of the photoactive films and current-voltage characteristics of the OSCs showed the advantage of the composite devices above the pristine-polymeric ones. Under illumination of light with a 100 mW/cm 2 -powerdensity, the photoelectrical conversion efficiency (PCE) of the OSCs with 3.0 wt% MWNCTs embedded in the photoactive layer possess a value as large as 2.35%. The obtained results suggest further useful applications of the flexible large-area solar cells.
KeywordsP3HT-MWCNTsComposite PhotovoltageUV-Vis AbsorptionPhotoluminescence (PL) QuenchingJ-V CharacteristicsPhotoelectrical Conversion Efficiency (PCE)
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