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. 2016 Sep 2;7:12697. doi: 10.1038/ncomms12697

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Copyright © 2016, The Author(s)

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(a) Charging current density differences plotted against scan rates; (b) CO₂ adsorption isotherms; (c) Nyquist plots; (d) single oxidative LSV scans in N₂-saturated 0.1 M NaOH for the Sn quantum sheets confined in graphene, 15 nm Sn nanoparticles mixed with graphene, 15 nm Sn nanoparticles and bulk Sn.