Tethering mesoporous Pd nanoparticles to reduced graphene oxide sheets forms highly efficient electrooxidation catalysts

Muhammad Iqbal; Cuiling Li; Bo Jiang; Md. Shahriar A. Hossain; Md. Tofazzal Islam; Joel Henzie; Yusuke Yamauchi

doi:10.1039/C7TA05091G

Tethering mesoporous Pd nanoparticles to reduced graphene oxide sheets forms highly efficient electrooxidation catalysts†

Muhammad Iqbal,^ab Cuiling Li,^a Bo Jiang,^a Md. Shahriar A. Hossain,^ac Md. Tofazzal Islam,

^d Joel Henzie

*^a and Yusuke Yamauchi

*^abce

Author affiliations

* Corresponding authors

^a International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
E-mail: HENZIE.Joeladam@nims.go.jp

^b Faculty of Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan

^c Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW 2500, Australia
E-mail: yusuke@uow.edu.au

^d Department of Biotechnology, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur 1706, Bangladesh

^e School of Chemical Engineering, Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, Australia

Abstract

Uniformly sized mesoporous palladium (Pd) nanoparticles tethered to reduced graphene oxide (rGO) surfaces can be prepared with solution phase synthesis. rGO was modified with a block copolymer and a cationic surfactant was employed to assist in the formation of mesoporous metal nanoparticle on the surface of the rGO. This procedure effectively tethers Pd to rGO and ensures good electronic contact for enhanced electrocatalysis. The mesoporous Pd nanoparticles tethered to rGO were employed in the electrooxidation of formic acid. These hybrid composite materials exhibited excellent stability, specific activity and mass activity over state-of-the-art Pd/C catalysts as well as other similar structures reported in the literature.

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DOI: https://doi.org/10.1039/C7TA05091G
Article type: Paper
Submitted: 11 Jun 2017
Accepted: 24 Aug 2017
First published: 24 Aug 2017

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J. Mater. Chem. A, 2017,5, 21249-21256

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Tethering mesoporous Pd nanoparticles to reduced graphene oxide sheets forms highly efficient electrooxidation catalysts

M. Iqbal, C. Li, B. Jiang, Md. S. A. Hossain, Md. T. Islam, J. Henzie and Y. Yamauchi, J. Mater. Chem. A, 2017, 5, 21249 DOI: 10.1039/C7TA05091G

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Journal of Materials Chemistry A

Tethering mesoporous Pd nanoparticles to reduced graphene oxide sheets forms highly efficient electrooxidation catalysts†

Abstract

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Tethering mesoporous Pd nanoparticles to reduced graphene oxide sheets forms highly efficient electrooxidation catalysts

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