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Figure 7
Cu K-edge normalized XANES spectra of the sample (1%Cu/SiO2) (a) initially and (b)–(d) during reduction under hydrogen (solid lines) or carbon dioxide (dashed lines) at (b) 192°C, (c) 241°C and (d) 291°C. |
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Figure 7
Cu K-edge normalized XANES spectra of the sample (1%Cu/SiO2) (a) initially and (b)–(d) during reduction under hydrogen (solid lines) or carbon dioxide (dashed lines) at (b) 192°C, (c) 241°C and (d) 291°C. |