Fig. 3: Analysis of FLP sites. | Nature Communications

Fig. 3: Analysis of FLP sites.

From: High-density frustrated Lewis pairs based on Lamellar Nb2O5 for photocatalytic non-oxidative methane coupling

Fig. 3: Analysis of FLP sites.

a FT k3χ(R)Nb K-edge EXAFS of different Nb2O5 samples. b Fourier transformed EXAFS fitting results of the Nb-O coordination numbers (CNs) for different samples. Error bars represent standard deviation. c Nb K-edge EXAFS (points) and curvefit (line) for 873K-Nb2O5, shown in k3-weighted R-space (FT magnitude and imaginary components). The data are k3-weighted and not phase-corrected. d NH3-TPD spectra of samples. e Pyridine-IR spectra of different NaBH4-treated Nb2O5. (f) Relationship between the surface hydroxyl group and oxygen vacancy concentration of different samples.

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