Bulk heterojunction organic photovoltaic cells based on D–A type BODIPY small molecules as non-fullerene acceptors
Ting Wei, Hemraj Dahiya, Xü Liang, Weihua Zhu, Sarvesh Kumar Pandey, Manish Kumar Singh, Haijun Xu, Ganesh D. Sharma
Abstract
The power conversion efficiency of PBDB-T:CF3-BDP-Cz is 13.07%, which is higher than that for PBDB-T:CF3-BDP-TPA, linked to the more appropriate nanoscale phase separation for exciton dissociation and charge transport.
Topics & Concepts
Materials scienceFullereneDissociation (chemistry)Organic solar cellHeterojunctionExcitonEnergy conversion efficiencyBODIPYPhotochemistryMoleculeSmall moleculePhotovoltaic systemOptoelectronicsOrganic chemistryFluorescenceOpticsChemistryPolymerBiochemistryQuantum mechanicsEcologyComposite materialPhysicsBiologyOrganic Electronics and PhotovoltaicsLuminescence and Fluorescent MaterialsConducting polymers and applications