Shamrock-shaped non-fullerene acceptors enable high-efficiency and high-voltage organic photovoltaics
Zongtao Wang, Mengwei Ji, Ailing Tang, Mengzhen Du, Chenyu Mu, Yingliang Liu, Ergang Wang, Erjun Zhou
Abstract
We developed two shamrock-shaped NFAs, AQI2 and AQI4. D18:AQI2 achieved a PCE of 16.48% with a V OC of 1.00 V, and D18:AQI4 achieved a higher PCE of 18.02% with a V OC of 0.95 V due to decreased energy loss and efficient photon utilization.
Topics & Concepts
Organic solar cellFullerenePhotovoltaicsMaterials scienceVoltageHigh voltageOptoelectronicsNanotechnologyEnvironmental sciencePhotovoltaic systemChemistryElectrical engineeringEngineeringComposite materialOrganic chemistryPolymerOrganic Electronics and PhotovoltaicsConducting polymers and applicationsMolecular Junctions and Nanostructures