journal article·2020-06-17

Fuller-Rylenes: Paving the Way for Promising Acceptors

Jiajing Feng, Huiting Fu, Wei Jiang, Andong Zhang, Hwa Sook Ryu, Han Young Woo, Yanming Sun, Zhaohui Wang

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Abstract

The hybridization of different acceptors remains a fertile ground awaiting exploration, to fully promote the properties of both components. The concept of this work is to exploit a new form of fuller-rylene hybrids as promising acceptors by integrating planar rylene dye and spherical fullerene for boosting the power conversion efficiency. The synthesis of the fuller-rylenes via a straightforward synthetic strategy by one-pot Pd-catalyzed cyclization can be scaled-up. Specifically, our strategy allows the supplements and enhancement of absorption in the visible region, much wider structural and electronic variations by installing R1 groups as well as decorating R2 on the perylene core at will, and good processability without compromising the superior characteristics of fullerene. Thus, bay-decorated fuller-rylene S-Fuller-PMI revealed a ground-breaking efficiency as high as 8.01%, even outperforming [6,6]-phenyl-C61-butyric acid methyl ester (PC61BM) as a parallel comparison (7.09%). Our exploration paves a new way for the design of high-efficiency acceptors, which are promising alternatives to PC61BM in photovoltaic devices.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Fullerene Chemistry and Applications · Organic Electronics and Photovoltaics · Synthesis and Properties of Aromatic Compounds

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

Affiliations

Key Laboratory of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China

CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China

Department of Chemistry, College of Science, Korea University, Seoul 136-713, Republic of Korea

Heeger Beijing Research and Development Center, School of Chemistry, Beihang University, Beijing 100191, P. R. China

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

Funding

Ministry of Science and Technology of the People's Republic of China · State Key Laboratory of Luminescent Materials and Devices · National Natural Science Foundation of China

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