A biopolymeric buffer layer improves device efficiency and stability in inverted organic solar cells
Nafees Ahmad, Li Yanxun, Xuning Zhang, Boxin Wang, Yuan Zhang, Huiqiong Zhou
Abstract
We investigate a biopolymeric interfacial modifier, polyaspartic acid (PASP), which is inserted between ZnO and photoactive layers in inverted organic solar cells. The PCE of these solar cells based on PM6:Y7 is boosted from 15.7% to 16.6%.
Topics & Concepts
Materials scienceOrganic solar cellPhotoactive layerLayer (electronics)Polyaspartic acidBuffer (optical fiber)Chemical engineeringPolymer solar cellEnergy conversion efficiencyOptoelectronicsNanotechnologyOrganic chemistryChemistryComposite materialPolymerComputer scienceEngineeringRaw materialTelecommunicationsOrganic Electronics and PhotovoltaicsConducting polymers and applicationsPerovskite Materials and Applications