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Adv Mater. 2016 May;28(17):3366-73. doi: 10.1002/adma.201504633. Epub 2016 Mar 04.

Homo-Tandem Polymer Solar Cells with VOC >1.8 V for Efficient PV-Driven Water Splitting.

Advanced materials (Deerfield Beach, Fla.)

Yangqin Gao, Vincent M Le Corre, Alexandre Gaïtis, Marios Neophytou, Mahmoud Abdul Hamid, Kazuhiro Takanabe, Pierre M Beaujuge

Affiliations

  1. Physical Sciences and Engineering Division, Solar and Photovoltaic Engineering Research Center (SPERC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia.

PMID: 26946165 DOI: 10.1002/adma.201504633

Abstract

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%.

© 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords: PBDTTPD; PCBM; PV-driven water splitting; bulk heterojunction solar cells; homo-tandem; multijunction devices; organic photovoltaics

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