An electron acceptor featuring a B–N covalent bond and small singlet–triplet gap for organic solar cells
Xinyuan Liu, Shuting Pang, Liang Zeng, Wanyuan Deng, Mingqun Yang, Xiyue Yuan, Junyu Li, Chunhui Duan, Fei Huang, Yong Cao
Abstract
the multiple resonance effect, is developed for organic solar cells. The optimized device based on BNTT2F offered an efficiency of 8.3%, suggesting the great prospect of B-N covalent bond-containing π-conjugated molecules for photovoltaics.
Topics & Concepts
Covalent bondSinglet stateOrganic solar cellConjugated systemAcceptorPhotochemistryBand gapMoleculeMaterials scienceElectron acceptorSolar cellChemistrySinglet fissionTriplet stateOptoelectronicsPolymerAtomic physicsExcited statePhysicsOrganic chemistryCondensed matter physicsOrganic Electronics and PhotovoltaicsPerovskite Materials and ApplicationsConducting polymers and applications