An N-ethylated barbituric acid end-capped bithiophene as an electron-acceptor material in fullerene-free organic photovoltaics

A new evaporable electron acceptor material for organic photovoltaics based on N-ethyl barbituric acid bithiophene (EBB) has been demonstrated. Bilayer devices fabricated with this non-fullerene acceptor and boron subphthalocyanine chloride (SubPc) donor produce power conversion efficiencies as high...

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Published inChemical communications (Cambridge, England) Vol. 51; no. 28; pp. 6222 - 6225
Main Authors Sullivan, Paul, Collis, Gavin E, Rochford, Luke A, Arantes, Junior Ferreira, Kemppinen, Peter, Jones, Tim S, Winzenberg, Kevin N
Format Journal Article
LanguageEnglish
Published England 11.04.2015
Subjects
Acceptor materials
Chlorides
Devices
Electric potential
Energy conversion efficiency
Photovoltaic cells
Solar cells
Voltage
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Summary:A new evaporable electron acceptor material for organic photovoltaics based on N-ethyl barbituric acid bithiophene (EBB) has been demonstrated. Bilayer devices fabricated with this non-fullerene acceptor and boron subphthalocyanine chloride (SubPc) donor produce power conversion efficiencies as high as 2.6% with an extremely large open-circuit voltage approaching 1.4 V.
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ISSN:1359-7345
1364-548X
DOI:10.1039/c5cc00564g