Non-Fullerene Electron Acceptors for Use in Organic Solar Cells

Nielsen, Christian B.; Holliday, Sarah; Chen, Hung‐Yang; Cryer, Samuel J.; McCulloch, Iain

doi:10.1021/acs.accounts.5b00199

articleAccounts of Chemical ResearchOct 27, 2015HYBRID OA

Non-Fullerene Electron Acceptors for Use in Organic Solar Cells

CBChristian B. Nielsen SHSarah Holliday HCHung‐Yang Chen SJSamuel J. Cryer IMIain McCulloch

Imperial College London · King Abdullah University of Science and Technology

PubMed

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Abstract

The active layer in a solution processed organic photovoltaic device comprises a light absorbing electron donor semiconductor, typically a polymer, and an electron accepting fullerene acceptor. Although there has been huge effort targeted to optimize the absorbing, energetic, and transport properties of the donor material, fullerenes remain as the exclusive electron acceptor in all high performance devices. Very recently, some new non-fullerene acceptors have been demonstrated to outperform fullerenes in comparative devices. This Account describes this progress, discussing molecular design considerations and the structure-property relationships that are emerging. The motivation to replace fullerene acceptors…

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Topics & keywords

Topics

Keywords

Fullerene
Electron acceptor
Materials science
Perylene
Organic solar cell
Acceptor
Photocurrent
HOMO/LUMO

UN Sustainable Development Goals

Affordable and clean energy

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