Optimized Graphene-Oxide-Based Interconnecting Layer in All-Perovskite Tandem Solar Cells.

ABSTRACT: All-perovskite tandem solar cells represent a significant advancement in next-generation photovoltaics toward higher power conversion efficiencies than single junction cells. A critical component of a monolithic tandem solar cell is the interconnecting layer, which facilitates the integration of the wide bandgap and low bandgap subcells. Conventional designs in all-perovskite tandem cells are based on an ultrathin metal recombination layer, typically Au, alongside a poly(3,4-ethylenedioxythiophene):polystyrenesulfonate (PEDOT:PSS) hole transporting layer, which introduce optical and recombination losses, and instabilities. Here, we present a new interconnecting layer based on a graphene-oxide recombination layer, which facilitates the replacement of PEDOT:PSS with the preferred self-assemb

SUBMITTER: Fitzsimmons MR 

PROVIDER: S-EPMC11834147 | biostudies-literature | 2025 Feb

REPOSITORIES: biostudies-literature