Homo‐Tandem Polymer Solar Cells with  V  OC  >1.8 V for Efficient PV‐Driven Water Splitting | Zendy

Gao Yangqin | Zendy; Le Corre Vincent M. | Zendy; Gaïtis Alexandre | Zendy; Neophytou Marios | Zendy; Hamid Mahmoud Abdul | Zendy; Takanabe Kazuhiro | Zendy; Beaujuge Pierre M. | Zendy

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Homo‐Tandem Polymer Solar Cells with V OC >1.8 V for Efficient PV‐Driven Water Splitting

Author(s) -

Gao Yangqin,

Le Corre Vincent M.,

Gaïtis Alexandre,

Neophytou Marios,

Hamid Mahmoud Abdul,

Takanabe Kazuhiro,

Beaujuge Pierre M.

Publication year - 2016

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.201504633

Subject(s) - tandem , materials science , stacking , polymer , open circuit voltage , water splitting , voltage , band gap , energy conversion efficiency , photovoltaic system , optoelectronics , nanotechnology , engineering physics , electrical engineering , physics , photocatalysis , engineering , chemistry , biochemistry , nuclear magnetic resonance , composite material , catalysis

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 ≈6%.

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