Homo-Tandem Polymer Solar Cells with V sub(OC) >1.8 V for Efficient PV-Driven Water Splitting

Homo-Tandem Polymer Solar Cells with V sub(OC) >1.8 V for Efficient PV-Driven Water Splitting

Efficient homo-tandem and triple-junction polymer solar cells are constructed by stacking identical subcells composed of the wide-bandgap polymer PBDTTPD, achieving power conversion efficiencies >8% paralleled by open-circuit voltages >1.8 V. The high-voltage homo-tandem is used to demonstrate...

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Veröffentlicht in:Advanced materials (Weinheim) 2016-05, Vol.28 (17), p.3366-3373
Hauptverfasser: Gao, Yangqin, Le Corre, Vincent M, Gaitis, Alexandre, Neophytou, Marios, Hamid, Mahmoud Abdul, Takanabe, Kazuhiro, Beaujuge, Pierre M
Format: Artikel
Sprache:eng
Schlagworte:
Conversion
Electric potential
Energy conversion efficiency
Photovoltaic cells
Solar cells
Stacking
Voltage
Water splitting
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Zusammenfassung:Efficient homo-tandem and triple-junction polymer solar cells are constructed by stacking identical subcells composed of the wide-bandgap polymer PBDTTPD, achieving power conversion efficiencies >8% paralleled by open-circuit voltages >1.8 V. The high-voltage homo-tandem is used to demonstrate PV-driven electrochemical water splitting with an estimated solar-to-hydrogen conversion efficiency of approximately 6%.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201504633