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Issue 26, 2019
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Ternary organic solar cells: using molecular donor or acceptor third components to increase open circuit voltage

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Abstract

This report demonstrates that the open circuit voltage (VOC) and power conversion efficiency (PCE) of polymer:fullerene (PBDB-T:PC60BM) organic solar cells can be simultaneously enhanced by introducing a molecular π-conjugated donor or acceptor as a third component, thus affording high performance ternary blend devices. The use of a PDI-based acceptor “tPDI2N-hex” or benzothioxanthene-based donor “tBTI-IDT” as a third component leads to VOC increases of 60 to 150 mV without significant loss in power conversion efficiency (PCE). The best solar cell PCE of 8.8% was achieved by doping the PBDB-T:PC60BM system with 10% by weight of tPDI2N-hex.

Graphical abstract: Ternary organic solar cells: using molecular donor or acceptor third components to increase open circuit voltage

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Supplementary files

Article information


Submitted
27 Mar 2019
Accepted
03 Jun 2019
First published
06 Jun 2019

New J. Chem., 2019,43, 10442-10448
Article type
Paper

Ternary organic solar cells: using molecular donor or acceptor third components to increase open circuit voltage

S. V. Dayneko, A. D. Hendsbee, J. R. Cann, C. Cabanetos and G. C. Welch, New J. Chem., 2019, 43, 10442
DOI: 10.1039/C9NJ01574D

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