Hierarchical TiO1.1Se0.9-wrapped carbon cloth as the TCO-free and Pt-free counter electrode for iodide-based and cobalt-based dye-sensitized solar cells

Hierarchical, flexible, and platinum-free TiO_1.1Se_0.9/carbon cloth counter electrode efficiently rendered its dye-sensitized solar cell 9.47% and 10.32% efficiencies in iodide-based and cobalt-based electrolytes, respectively.