Defect mitigation <i>via</i> fullerene-based functional additives for enhanced efficiency and stability in tin perovskite solar cells
Aman Shukla, Dhruba B. Khadka, C.-H. Angus Li, Masahiro Rikukawa, Yuko Takeoka, Ryoji Sahara, Masatoshi Yanagida, Yasuhiro Shirai
Abstract
This work demonstrates the critical role of fullerene derivatives with functional groups (COOH, OH, and OSO 3 H) in reducing Sn 4+ formation and defect passivation. The device with F-COOH improves efficiency from 8.20 to 11.22% and stability.
Topics & Concepts
FullerenePerovskite (structure)TinMaterials scienceChemical engineeringNanotechnologyStability (learning theory)OptoelectronicsChemistryComputer scienceMetallurgyOrganic chemistryEngineeringMachine learningPerovskite Materials and ApplicationsConducting polymers and applicationsChalcogenide Semiconductor Thin Films