Solution-processable organic semiconductors with over 220 °C glass transition temperature: manipulating morphology using a helical polycyclic heteroaromatic motif
Lingyi Fang, Yuyan Zhang, Yaohang Cai, Jing Zhang, Yuefang Wei, Yi Yuan, Peng Wang
Abstract
A triple-helicene-based organic semiconductor was synthesized, with excellent solution-processability and exceptionally high glass temperature. This material excels as a heat-resistant hole transporter in perovskite solar cells.
Topics & Concepts
HeliceneMaterials scienceSemiconductorOrganic semiconductorGlass transitionChemical engineeringNanotechnologyOptoelectronicsCrystallographyPolymerChemistryOrganic chemistryComposite materialMoleculeEngineeringPerovskite Materials and ApplicationsOrganic Electronics and PhotovoltaicsSynthesis and Properties of Aromatic Compounds