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. 2018 Jul 27;4(9):1095–1101. doi: 10.1021/acscentsci.8b00306

Figure 5.

Figure 5

(a) k3 weighted XAFS data for 1 wt % Au/C–aqua regia and reference gold foil. (b) Representative STEM-HAADF image for 1 wt % Au/C–aqua regia showing isolated Au species. (c) k3 weighted XAFS data for 1 wt % Au/C–S2O3 and reference gold foil. (d) Representative STEM-HAADF image for 1 wt % Au/C–S2O3. (e) k3 weighted XAFS data for 1 wt % Au/C–aqua regia, 1 wt % Au/C–H2O, and reference gold foil. (f) Representative STEM-HAADF image for 1 wt % Au/C–aqua regia and 1 wt % Au/C–H2O showing the absence of isolated Au species (dated taken from ref (22)).