Synergetic effects of electrochemical oxidation of Spiro-OMeTAD and Li<sup>+</sup> ion migration for improving the performance of n–i–p type perovskite solar cells
Changzeng Ding, Rong Huang, Christian Ahläng, Jian Lin, Lianping Zhang, Dongyu Zhang, Qun Luo, Fangsen Li, Ronald Österbacka, Chang‐Qi Ma
Abstract
Oxidation of solar cells leads to Li<sup>+</sup> ion diffusion, which increases the conductivity of the Spiro-OMeTAD layer and the built-in potential within the cells. The synergetic effects improve charge injection at both interfaces and device performance.
Topics & Concepts
IonElectrochemistryPerovskite (structure)DiffusionConductivityLayer (electronics)ChemistryMaterials scienceElectrodeCharge (physics)Chemical engineeringInorganic chemistryNanotechnologyCrystallographyPhysical chemistryPhysicsOrganic chemistryThermodynamicsEngineeringQuantum mechanicsPerovskite Materials and ApplicationsConducting polymers and applicationsAdvanced battery technologies research