Energy-level modulation of coumarin-based molecular donors for efficient all small molecule fullerene-free organic solar cells
Rashmirekha Pradhan, Hemraj Dahiya, Bhawani Prasad Bag, M. L. Keshtov, Rahul Singhal, Ganesh D. Sharma, Amaresh Mishra
Abstract
Despite their minimal HOMO energy level offset promising power conversion efficiencies up to 13.54% have been recorded for ternary organic solar cells using coumarin-based molecular donors and fullerene-free acceptors.
Topics & Concepts
FullereneCoumarinOrganic solar cellTernary operationEnergy conversion efficiencyMaterials scienceMoleculeSmall moleculeOrganic moleculesOffset (computer science)PhotochemistryChemistryOptoelectronicsOrganic chemistryBiochemistryComputer sciencePolymerProgramming languageOrganic Electronics and PhotovoltaicsFullerene Chemistry and ApplicationsMolecular Junctions and Nanostructures