Narrow‐Bandgap Diketo‐Pyrrolo‐Pyrrole Polymer Solar Cells: The Effect of Processing on the Performance
Eindhoven University of Technology
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Abstract
Solar cells based on a new conjugated donor polymer with alternating quaterthiophene and diketo pyrrolo-pyrrole units in combination with C60 and C70 PCBM acceptors afford high external quantum efficiencies over a broad spectral range into the near-infrared. The cells provide power conversion efficiencies of up to 4.0% under simulated AM1.5G solar light conditions.
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4Topics & keywords
Topics
Keywords
- Materials science
- Pyrrole
- Band gap
- Polymer
- Polymer solar cell
- Nanotechnology
- Optoelectronics
- Composite material
UN Sustainable Development Goals
- Affordable and clean energy
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