Self-limiting growth of two-dimensional palladium between graphene oxide layers

Yang Su, Eric Prestat, Chengyi Hu, Vinod Kumar Puthiyapura, Mehdi Neek-amal, Hui Xiao, Kun Huang, Vasyl G. Kravets, Sarah J. Haigh, Christopher Hardacre, Francois M. Peeters, Rahul R. Nair

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The ability of different materials to display self-limiting growth has recently attracted enormous attention due to the importance of nanoscale materials in applications for catalysis, energy conversion, (opto)electronics, etc. Here, we show that electrochemical deposition of palladium (Pd) between graphene oxide (GO) sheets result in a self-limiting growth of 5 nm thin Pd nanosheets. The self-limiting growth is found to be a consequence of strong interaction of Pd with the confining GO sheets which results in bulk growth of Pd being energetically unfavourable for larger thicknesses. Furthermore, we have successfully carried out liquid exfoliation of the resulting Pd-GO laminates to isolate Pd nanosheets and demonstrated their high efficiency in continuous flow catalysis and electrocatalysis.
Original languageEnglish
Pages (from-to)4678–4683
JournalNano Letters
Issue number7
Early online date7 Jun 2019
Publication statusPublished - 7 Jun 2019

Research Beacons, Institutes and Platforms

  • National Graphene Institute


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