▎ 摘　　要

Cost-effective, parallel grids embedded dye-sensitized solar mini-modules were fabricated successfully by utilizing reduced graphene oxide (rGO) and rGO-silver (rGO-Ag) nanocomposites as grid current collectors. The pure rGO grids embedded dye-sensitized solar mini-module showed a maximum power conversion efficiency of 4.10% with improved fill factor, circumvented iodide/triiodide electrolyte corrosion, and reduced the module power loss significantly. Electrochemical impedance spectroscopy studies revealed that the 1:1 wt% ratio rGO-Ag nanocomposite grids improved the module's electron diffusion length, carrier mobility and lifetime, and produced a higher open-circuit voltage (V-oc) as compared with the pure silver grids in the dye-sensitized solar mini-module.