title: A new fullerene-free bulk-heterojunction system for efficient high-voltage and high-fill factor solution-processed organic photovoltaics.
authors: Biomolecular and Organic Electronics, IFM, and Center of Organic Electronics, Linköping University, SE-581 83, Linköping, Sweden.
authors: Zheng
authors: Z
authors: Tang
authors: Bo
authors: B
authors: Liu
authors: Armantas
authors: A
authors: Melianas
authors: Jonas
authors: J
authors: Bergqvist
authors: Wolfgang
authors: W
authors: Tress
authors: Qinye
authors: Q
authors: Bao
authors: Deping
authors: D
authors: Qian
authors: Olle
authors: O
authors: Inganäs
authors: Fengling
authors: F
authors: Zhang
keywords: bulk-heterojunction films, fullerene-free materials; organic photovoltaics; organic solar cells; polymer acceptors