Nature-Inspired Redox Shuttle with Regenerable Antioxidant for Efficient All-Perovskite Tandem Solar Cells.

ABSTRACT: Pb-Sn mixed perovskite solar cells (PSCs) are crucial components for realizing efficient all-perovskite tandem devices. However, their efficiency and stability are severely limited by oxidative degradation (Sn⁴⁺ formation) and metallic defects (Sn⁰/Pb⁰). In addition, the rapid and uncontrolled Sn²⁺ nucleation kinetics result in nonuniform crystallization. Herein, we introduce a natural redox shuttle glutathione (GSH) in Pb-Sn mixed PSCs, achieving regenerable antioxidation and crystallization regulation simultaneously. The reversible redox reactions between GSH and glutathione disulfide (GSSG) enable the self-healing of Sn⁴⁺ and Sn⁰/Pb⁰ impurities, creating a regenerable antioxidation protective shell at the perov

SUBMITTER: Meng R 

PROVIDER: S-EPMC12765756 | biostudies-literature | 2026 Jan

REPOSITORIES: biostudies-literature