Graphene-incorporated quasi-solid-state dye-sensitized solar cells
Abstract
The pursuit of technological implementation with no sacrifice of photovoltaic performances is a persistent objective for dye-sensitized solar cells (DSSCs). Herein, we report an experimental realization of a graphene-incorporated quasi-solid-state DSSC comprising a graphene/TiO2 anode, a graphene integrated polyacrylate–poly(ethylene glycol) (PAA–PEG) gel electrolyte with I−/I3− redox couples, and a graphene counter electrode. An efficiency of 3.62% is measured under global air mass irradiation for the quasi-solid-state solar cell with a graphene/TiO2 photoanode, a PAA–PEG/graphene gel electrolyte, and a graphene counter electrode. The new concept, along with promising results, demonstrates the potential application of the new solar cells for cost-effective electricity generation.
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