RESEARCH / A0240
Selective CO Conversion to Multicarbon Alcohols via Balancing Adsorbate Configurations
Read the original paper · 10.1021/jacs.5c15536 ↗
Source figures may contain other techniques and soft X-ray spectra. C, N and O measurements are outside our current hard-XAFS testing range.
Figure 2. Structural characterization of catalysts. (a) HAADF-STEM image of Ag@OD-Cu (scale bar: 500 nm). Inset: High-magnification HAADF-STEM image of Ag@OD-Cu (scale bar: 30 nm). (b) Corresponding EDX elemental maps showing the spatial distribution of Ag (red) and Cu (blue) across the same (scale bar: 500 nm). Inset: High-magnification EDX maps (scale bar: 30 nm). (c) HRTEM image of Ag@OD-Cu. Scale bar: 2 nm. (d) KPFM topography image of Ag@OD-Cu. Scale bar: 30 nm. (e) Contact potential difference map of Ag@OD-Cu. Scale bar: 30 nm. (f) Surface potential profile along the line marked in panel e for Ag@OD-Cu. (g) XRD patterns of OD-Cu and Ag@OD-Cu with a YLS-30T carbon paper as reference. (h) Cu K-edge XANES spectra of OD-Cu and Ag@OD-Cu. (i) Cu 2p XPS spectra of OD-Cu and Ag@OD-Cu.