Optimum conditions for electrochemical deposition of 3-D mesoporous platinum framework

Samina Akbar; Joanne M. Elliott; Adam M. Squires; Aneela Anwar

doi:10.1007/s11051-020-04912-9

Optimum conditions for electrochemical deposition of 3-D mesoporous platinum framework

Samina Akbar, Joanne M. Elliott, Adam M. Squires, Aneela Anwar

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

6 Citations (SciVal)

Abstract

Here, we report a systematic investigation of the effect of experimental parameters on the structure, morphology and electrochemically active surface area of 3-D mesoporous platinum (Pt) framework. Template-assisted deposition of the mesoporous Pt framework is achieved using phytantriol-based inverse bicontinuous cubic phase of double diamond morphology (Q_II^D) with Pn3m symmetry. Platinum is deposited electrochemically using hexachloroplatinic acid solution present within the aqueous domains of the cubic phase template. Deposition conditions, particularly the deposition potentials, are shown to significantly affect the surface morphology, porosity and electrochemically active surface area of the deposited Pt framework. Furthermore, the effect of underlying substrate on the structure and morphology of the mesoporous Pt framework is also investigated.

Original language	English
Article number	170
Journal	Journal of Nanoparticle Research
Volume	22
Issue number	6
DOIs	https://doi.org/10.1007/s11051-020-04912-9
Publication status	Published - 16 Jun 2020

Funding

Samina Akbar was funded by the University of Engineering and Technology, Lahore. The SAXS and electron microscopy experiments were carried out at the University of Reading’s Chemical Analysis Facility and Centre for Advanced Microscopy, respectively.

Keywords

Cubic phase
Electrodeposition
Framework
Nanostructured catalysts
Platinum
Template

ASJC Scopus subject areas

Bioengineering
General Chemistry
Atomic and Molecular Physics, and Optics
Modelling and Simulation
General Materials Science
Condensed Matter Physics

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10.1007/s11051-020-04912-9

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abstract = "Here, we report a systematic investigation of the effect of experimental parameters on the structure, morphology and electrochemically active surface area of 3-D mesoporous platinum (Pt) framework. Template-assisted deposition of the mesoporous Pt framework is achieved using phytantriol-based inverse bicontinuous cubic phase of double diamond morphology (QIID) with Pn3m symmetry. Platinum is deposited electrochemically using hexachloroplatinic acid solution present within the aqueous domains of the cubic phase template. Deposition conditions, particularly the deposition potentials, are shown to significantly affect the surface morphology, porosity and electrochemically active surface area of the deposited Pt framework. Furthermore, the effect of underlying substrate on the structure and morphology of the mesoporous Pt framework is also investigated.",

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AU - Akbar, Samina

AU - Elliott, Joanne M.

AU - Squires, Adam M.

AU - Anwar, Aneela

PY - 2020/6/16

Y1 - 2020/6/16

N2 - Here, we report a systematic investigation of the effect of experimental parameters on the structure, morphology and electrochemically active surface area of 3-D mesoporous platinum (Pt) framework. Template-assisted deposition of the mesoporous Pt framework is achieved using phytantriol-based inverse bicontinuous cubic phase of double diamond morphology (QIID) with Pn3m symmetry. Platinum is deposited electrochemically using hexachloroplatinic acid solution present within the aqueous domains of the cubic phase template. Deposition conditions, particularly the deposition potentials, are shown to significantly affect the surface morphology, porosity and electrochemically active surface area of the deposited Pt framework. Furthermore, the effect of underlying substrate on the structure and morphology of the mesoporous Pt framework is also investigated.

AB - Here, we report a systematic investigation of the effect of experimental parameters on the structure, morphology and electrochemically active surface area of 3-D mesoporous platinum (Pt) framework. Template-assisted deposition of the mesoporous Pt framework is achieved using phytantriol-based inverse bicontinuous cubic phase of double diamond morphology (QIID) with Pn3m symmetry. Platinum is deposited electrochemically using hexachloroplatinic acid solution present within the aqueous domains of the cubic phase template. Deposition conditions, particularly the deposition potentials, are shown to significantly affect the surface morphology, porosity and electrochemically active surface area of the deposited Pt framework. Furthermore, the effect of underlying substrate on the structure and morphology of the mesoporous Pt framework is also investigated.

KW - Cubic phase

KW - Electrodeposition

KW - Framework

KW - Nanostructured catalysts

KW - Platinum

KW - Template

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Optimum conditions for electrochemical deposition of 3-D mesoporous platinum framework

Abstract

Funding

Keywords

ASJC Scopus subject areas

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