Issue 4, 2018
From the journal:

Materials Chemistry Frontiers

A carbon–oxygen-bridged hexacyclic ladder-type building block for low-bandgap nonfullerene acceptors†

Ting Li,‡ab   Honghong Zhang,‡b   Zuo Xiao, ORCID logo b   Jeromy J. Rech, ORCID logo c   Helin Niu,*a   Wei You ORCID logo *c  and  Liming Ding ORCID logo *b  

* Corresponding authors

a School of Chemistry & Chemical Engineering, Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials, Anhui University, Hefei 230601, China
E-mail: niuhelin@ahu.edu.cn

b Center for Excellence in Nanoscience (CAS), Key Laboratory of Nanosystem and Hierarchical Fabrication (CAS), National Center for Nanoscience and Technology, Beijing 100190, China
E-mail: ding@nanoctr.cn

c Department of Chemistry, University of North Carolina at Chapel Hill, NC 27599, USA
E-mail: wyou@unc.edu

Abstract

A hexacyclic carbon–oxygen-bridged ladder-type unit, COi6, was developed. Three nonfullerene acceptors (COi6IC, COi6FIC and COi6DFIC) based on COi6 were prepared. They present low optical bandgaps of 1.31–1.37 eV and strong absorbance in the near-infrared region. A 9.12% power conversion efficiency was achieved from the solar cells based on COi6FIC and a wide-bandgap copolymer donor (FTAZ).

Graphical abstract: A carbon–oxygen-bridged hexacyclic ladder-type building block for low-bandgap nonfullerene acceptors

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Article information

DOI
https://doi.org/10.1039/C8QM00004B
Article type
Research Article
Submitted
05 ጃንዩ 2018
Accepted
24 ጃንዩ 2018
First published
26 ጃንዩ 2018

Mater. Chem. Front., 2018,2, 700-703

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A carbon–oxygen-bridged hexacyclic ladder-type building block for low-bandgap nonfullerene acceptors

T. Li, H. Zhang, Z. Xiao, J. J. Rech, H. Niu, W. You and L. Ding, Mater. Chem. Front., 2018, 2, 700 DOI: 10.1039/C8QM00004B

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