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Synthesising chain-like, interconnected Pt nanoparticles using a tubular halloysite clay template for an efficient counter electrode in dye-sensitised solar cells

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Abstract

We report an inexpensive fabrication route of a mesoporous counter electrode made of chain-like Pt nanoparticles using a tubular halloysite clay template. The pre-coated halloysite tubes (HTs) on a conducting substrate act as a material synthesising platform for a highly interconnected chain-like Pt nanostructure. The Pt-HT composite counter electrode shows effective electrolyte interaction and high catalytic activity towards tri-iodide reduction. As a result, Pt-HT counter electrode based dye-sensitised solar cells exhibit a higher energy conversion efficiency of 9.5% compared to the flat-type Pt film based counter electrode (8.2%) using liquid-type electrolyte.

Graphical abstract: Synthesising chain-like, interconnected Pt nanoparticles using a tubular halloysite clay template for an efficient counter electrode in dye-sensitised solar cells

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Publication details

The article was received on 15 Jun 2017, accepted on 16 Nov 2017 and first published on 16 Nov 2017


Article type: Communication
DOI: 10.1039/C7SE00292K
Citation: Sustainable Energy Fuels, 2018, Advance Article
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    Synthesising chain-like, interconnected Pt nanoparticles using a tubular halloysite clay template for an efficient counter electrode in dye-sensitised solar cells

    S. Nagarajan, S. Pitchaimuthu and Y. S. Kang, Sustainable Energy Fuels, 2018, Advance Article , DOI: 10.1039/C7SE00292K

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