Ultrafast energy transfer from polymer donors facilitating spectral uniform photocurrent generation and low energy loss in high-efficiency nonfullerene organic solar cells
Zeng Chen, Chengliang He, Ran Peng, Xu Chen, Yao Zhang, Chi Zhang, Runchen Lai, Yang Yang, Hongzheng Chen, Haiming Zhu
Abstract
Ultrafast (∼80 fs) lossless Förster resonance energy transfer process followed by a reverse hole transfer process in high efficiency nonfullerene OSCs, facilitating spectral uniform photocurrent generation and lowering the energy loss.
Topics & Concepts
PhotocurrentOrganic solar cellMaterials scienceEnergy transferOptoelectronicsUltrashort pulseSolar energyPolymerOpticsChemical physicsPhysicsLaserElectrical engineeringComposite materialEngineeringOrganic Electronics and PhotovoltaicsPerovskite Materials and ApplicationsConducting polymers and applications