Solar Cells by Chemically Doping Graphene (original) (raw)
Graphene has been utilized as straightforward cathodes in natural organic solar cells (OSCs) due to its great physical and optical properties. Nonetheless, the electrical conductivity of graphene films combined by substance vapor testimony chemical vapor deposition (CVD) is still mediocre compared to that of routine indium tin oxide (ITO) cathodes of tantamount straightforwardness, bringing about a lower execution of OSCs. Here, we report an effective technique to enhance the execution and long haul dependability of graphene-based OSCs utilizing electrostatically doped graphene films by means of a ferroelectric polymer. The sheet resistance of electrostatically doped few layer graphene films was decreased to ∼70ω/sq. at 87% optical transmittance. Such graphene-based OSCs display an efficiency of 2.07% with a better security when looked at than artificially doped grapheme based OSCs. Moreover, OSCs built on ultrathin ferroelectric film as a substrate of just a couple of miniaturized scale meters demonstrate amazingly great mechanical flexibility and strength and can be moved up into a chamber.
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