Aggregation state tuning <i>via</i> controlling molecular weights of D–A<sub>1</sub>–A<sub>2</sub> type polymer donors for efficient organic photovoltaics
Shanlu Wang, Tianyi Chen, Shuixing Li, Lei Ye, Yúang Fu, Xinhui Lu, Haiming Zhu, Lijian Zuo, Minmin Shi, Hongzheng Chen
Abstract
A polymer donor with a D–A 1 –A 2 type structure was developed, whose aggregation state was tuned by molecular weight control, finally leading to over 15% power conversion efficiency.
Topics & Concepts
PolymerPhotovoltaicsEnergy conversion efficiencyOrganic solar cellMaterials scienceState (computer science)Type (biology)Photovoltaic systemOptoelectronicsComputer scienceElectrical engineeringEngineeringComposite materialEcologyBiologyAlgorithmOrganic Electronics and PhotovoltaicsConducting polymers and applicationsPerovskite Materials and Applications