N-Doped Graphene/PEDOT Composite Films as Counter Electrodes in DSSCs: Unveiling the Mechanism of Electrocatalytic Activity Enhancement

Georgios Paterakis,Dimitrios Raptis,Alexandros Ploumistos,Meltiani Belekoukia,Lamprini Sygellou,Madeshwaran Sekkarapatti Ramasamy,Panagiotis Lianos,Dimitrios Tasis

Applied Surface Science（2017）

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摘要

•Doping of graphene was accomplished by thermal approach in the presence of urea.•N-doped graphene/PEDOT films were used as efficient counter electrodes in DSSCs.•No chemical interaction between heteroatoms was observed between N-doped graphene and PEDOT.•Photovoltaic activity was attributed to charge transfer interactions, due to both diffusion and CC bonding between components.

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关键词

N-Doped reduced graphene oxide,Urea,PEDOT,DSSC

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