Nguyen, Phuong Hoai Nam
(2020)
Facile Preparation, Characterization of Flexible
Organic Solar Cells Using P3HT-MWCNTS
Composite Photoactive Layer.
Journal of Materials Science and Chemical Engineering
.
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/cm2-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.
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