Barbiturate End-Capped Non-Fullerene Acceptors for Organic Solar Cells: Tuning Acceptor Energetics to Suppress Geminate Recombination Losses

Ching-Hong Tan, Jeffrey Gorman, Andrew Wadsworth, Sarah Holliday, Selvam Subramaniyan, Samson A. Jenekhe, Derya Baran, Iain McCulloch, James R. Durrant

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

We report the synthesis of two barbiturate end-capped non-fullerene acceptors and demonstrate their efficient function in high voltage output organic solar cells. The acceptor with the lower LUMO level is shown to exhibit suppressed geminate recombination losses, resulting in enhanced photocurrent generation and higher overall device efficiency.
Original languageEnglish (US)
Pages (from-to)2966-2969
Number of pages4
JournalChemical Communications
Volume54
Issue number24
DOIs
StatePublished - 2018

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