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Microwave assisted synthesis of graphene-Bi8La10O27 nanocomposite as efficient catalytic counter electrode for dye-sensitized solar cell

Abstract

Graphene-Bi8La10O27 nanocomposite (GBL) was successfully synthesized by a facile microwave-assisted method, and applied as a counter electrode for efficient dye-sensitized solar cells. This allowed the size and distribution of the formed Bi8La10O27 nanoparticles onto a flexible graphene sheet to be effectively controlled, which is crucial for achieving high electrocatalytic activity on I3- reduction. GBL showed the highest catalytic activity and the lowest electrolyte diffusion resistance, mainly due to the homogeneous single-layer immobilization of Bi8La10O27 nanoparticles on a graphene sheet with high density. A dye-sensitized solar cell with GBL as a counter electrode can yield 7.09% photoelectric conversion efficiency, which is comparable to that of the cell with a Pt-film counter electrode (6.23), which demonstrates the application potential of GBL as a low cost non-Pt CE material for DSSC.

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Publication details

The article was received on 22 May 2017, accepted on 07 Jul 2017 and first published on 10 Jul 2017


Article type: Paper
DOI: 10.1039/C7NJ01782K
Citation: New J. Chem., 2017, Accepted Manuscript
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    Microwave assisted synthesis of graphene-Bi8La10O27 nanocomposite as efficient catalytic counter electrode for dye-sensitized solar cell

    W. Oh, Y. Areerob and K. Cho, New J. Chem., 2017, Accepted Manuscript , DOI: 10.1039/C7NJ01782K

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