An Unfused‐Core‐Based Nonfullerene Acceptor Enables High‐Efficiency Organic Solar Cells with Excellent Morphological Stability at High Temperatures

• Published in: Advanced materials (Weinheim) Vol. 30; no. 6
• Main Authors: Li, Shuixing, Zhan, Lingling, Liu, Feng, Ren, Jie, Shi, Minmin, Li, Chang‐Zhi, Russell, Thomas P., Chen, Hongzheng
• Format: Journal Article
• Language: English
• Published: Germany Wiley Subscription Services, Inc 08.02.2018
• Subjects: Efficiency; Energy conversion efficiency; Heat treatment; Materials science; morphological stability; Morphology; noncovalent interactions; nonfullerene acceptors; organic solar cells; Photovoltaic cells; Solar cells; unfused‐core acceptors; organic solar cells; morphological stability; unfused-core acceptors; noncovalent interactions; nonfullerene acceptors

Most nonfullerene acceptors developed so far for high‐performance organic solar cells (OSCs) are designed in planar molecular geometry containing a fused‐ring core. In this work, a new nonfullerene acceptor of DF‐PCIC is synthesized with an unfused‐ring core containing two cyclopentadithiophene (CPD...