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An electron acceptor challenging fullerenes for efficient polymer solar cells.

Advanced materials (Deerfield Beach, Fla.) (2015-01-13)
Yuze Lin, Jiayu Wang, Zhi-Guo Zhang, Huitao Bai, Yongfang Li, Daoben Zhu, Xiaowei Zhan
ABSTRACT

A novel non-fullerene electron acceptor (ITIC) that overcomes some of the shortcomings of fullerene acceptors, for example, weak absorption in the visible spectral region and limited energy-level variability, is designed and synthesized. Fullerene-free polymer solar cells (PSCs) based on the ITIC acceptor are demonstrated to exhibit power conversion efficiencies of up to 6.8%, a record for fullerene-free PSCs.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
ITIC-Cl
Sigma-Aldrich
ITIC