Isomeric N-Annulated Perylene Diimide Dimers for Organic Solar Cells

Zetong Ma; Huiting Fu; Dong Meng; Wei Jiang; Yanming Sun; Zhaohui Wang

doi:10.1002/asia.201800058

Isomeric N-Annulated Perylene Diimide Dimers for Organic Solar Cells

Chem Asian J. 2018 Apr 16;13(8):918-923. doi: 10.1002/asia.201800058. Epub 2018 Mar 14.

Authors

Zetong Ma^{1

2}, Huiting Fu^{1

2}, Dong Meng¹, Wei Jiang¹, Yanming Sun³, Zhaohui Wang¹

Affiliations

¹ CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.
² University of Chinese Academy of Sciences, Beijing, 100049, P. R. China.
³ Heeger Beijing Research and Development Center, School of Chemistry and Enviroment, Beihang University, Beijing, 100191, P. R. China.

PMID: 29443455
DOI: 10.1002/asia.201800058

Abstract

Two isomeric N-annulated perylene diimide dimers, namely, p-BDNP and m-BDNP were designed and synthesized via geometric tuning. The distinct molecular geometry and packing arrangements of isomers with almost identical optical and electrochemical properties rendered us an in-depth understanding of the molecular structure-aggregation state-photovoltaic performance relationship. Blended with the commercially available donor PCE-10, p-BDNP and m-BDNP showed distinct differences in photovoltaic performance with power conversion efficiencies (PCEs) of 5.01 % and 4.15 %, respectively.

Keywords: crystal engineering; fused-ring systems; perylene diimides; solar cells; synthesis design.