Dicyclopentadithienothiophene (DCDTT)-based organic semiconductor assisted grain boundary passivation for highly efficient and stable perovskite solar cells
Shakil N. Afraj, Arulmozhi Velusamy, Chung‐Yu Chen, Jen‐Shyang Ni, Yamuna Ezhumalai, Chun-Huang Pan, Kuan‐Yu Chen, Shuehlin Yau, Cheng‐Liang Liu, Chien‐Hung Chiang, Chun‐Guey Wu, Ming‐Chou Chen
Abstract
New dicyclopentadithienothiophene (DCDTT) based non-fullerene acceptors 1–3 are introduced into PSC films. The INCl-DCDTT−perovskite hybrid film exhibits an excellent power conversion efficiency of 21.39%.
Topics & Concepts
PassivationPerovskite (structure)Materials scienceGrain boundaryEnergy conversion efficiencySemiconductorOptoelectronicsOrganic semiconductorChemical engineeringNanotechnologyMetallurgyLayer (electronics)MicrostructureEngineeringPerovskite Materials and ApplicationsConducting polymers and applicationsOrganic Electronics and Photovoltaics