journal article·2020-07-27

Indacenodifuran-Based Non-Fullerene Electron Acceptors for Efficient Polymer Solar Cells

Enfang He, Xiaojing Wang, Yi Lu, Yuli Yin, Fengyun Guo, Shiyong Gao, Zhicai He, Liancheng Zhao, Yong Cao, Yong Zhang

ACS Applied Energy Materials· Volume 3· Issue 7
Publisher page

Abstract

Two indaceno[1,2-b:5,6-b′]difuran-based non-fullerene acceptors (NFAs) IDF-IC and IDF-4F were designed and synthesized. IDF-IC and IDF-4F showed strong absorptions in the visible and near-infrared (NIR) region with narrow bandgaps of 1.56–1.62 eV. The power conversion efficiencies (PCEs) of PM6:IDF-IC and PM6:IDF-4F devices were 7.80% and 7.81%, respectively, with open-circuit voltages (Voc’s) of 0.905 and 0.736 V, short-circuit current densities (Jsc’s) of 14.55 and 17.49 mA/cm2, and fill factors (FFs) of 59% and 61%. These results demonstrate that the fused-ring furan-based NFAs could be one of the promising building blocks in constructing high performance NFAs.
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Research context

OpenAlex topics: Organic Electronics and Photovoltaics · Conducting polymers and applications · Semiconductor materials and interfaces

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China

Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, China

School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China

Funding

Ministry of Education of the People's Republic of China · Ministry of Science and Technology of the People's Republic of China · Natural Science Foundation of Heilongjiang Province · National Natural Science Foundation of China · State Key Laboratory of Luminescent Materials and Devices, South China University of Technology

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