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Synthesis of Ruthenium Sulfide Nanoparticles Decorated on Reduced Graphene Oxide/multi-walled Carbon Nanotubes as a Catalytic Counter Electrode for Dye-sensitized Solar Cells Exceeding 13 % Efficiency by Mahin Mirzaei; Mohammad Bagher Gholivand is a Energy article available to read on EtoBox.

What is Synthesis of Ruthenium Sulfide Nanoparticles Decorated on Reduced Graphene Oxide/multi-walled Carbon Nanotubes as a Catalytic Counter Electrode for Dye-sensitized Solar Cells Exceeding 13 % Efficiency about?

The luxury price, shortage, and instability of platinum (Pt) markedly hamper its commercialization in dyesensitized solar cells (DSSCs). Consequently, developing an efficient alternative catalyst in lieu of noble Pt is imperative issue for the promotion of DSSCs. In this paper, a robust and electrochemically stable 3D nanocomposite comprised of amorphous ruthenium sulfide nanoparticles (RuS 2 NPs), reduced graphene oxide (RGO), and functionalized multi-walled carbon nanotubes (MWCNTs) was prepared by the facile hydrothermal method and explored as a counter electrode (CE) in DSSCs. The RuS 2 NPs uniformly decorated on the surfaces of the RGO/MWCNTs to form the RuS 2 /RGO/MWCNTs composite, which adequately inhibited aggregation of the RuS 2 NPs to fully exploit its impressive electrochemical activity. Benefiting from the unexceptionable catalytic activity of RuS 2 NPs in the RuS 2 /RGO/MWCNTs as well as superior electronic transmission channels provided by the conductive RGO/MWCNTs network, the designed DSSC with RuS 2 /RGO/MWCNTs exhibited a remarkable power conversion efficiency (PCE) of 13.24 % exceeding that of Pt CE (PCE: 9.53 %). Consequently, this research opens a new avenue t

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Author

Mahin Mirzaei; Mohammad Bagher Gholivand

Publisher

Elsevier BV

Published

2022

Language

EN

Field

Energy (Physical Sciences)