Nucleation driving force-controlled fibril network formation using a non-halogenated solvent enables polythiophene solar cells with over 18% efficiency
Jianglong Li, Dongsheng Xie, Xiyue Yuan, Youle Li, Wenkui Wei, Yue Zhang, Yue Zhang, Haozhe Feng, Xiang Luo, Jiayuan Zhu, Zhao Qin, Jianbin Zhong, L. Zhang, Hongxiang Li, Wei Zhang, Yong Zhang, Yong Zhang, Fei Huang, Yong Cao, Chunhui Duan
Abstract
Classical Nucleation Theory guides fibril network formation in polythiophene-based photoactive blend using a non-halogenated solvent. Solar cells thus achieved 18.12% efficiency and 79.17% fill factor, both record-high for polythiophenes.
Topics & Concepts
PolythiopheneNucleationFibrilSolventMaterials scienceChemical engineeringChemical physicsChemistryPolymerOrganic chemistryComposite materialConductive polymerBiochemistryEngineeringConducting polymers and applicationsQuantum Dots Synthesis And PropertiesOrganic Electronics and Photovoltaics