fig2
Figure 2. (A) PXRD patterns, (B) Raman spectra, (C) N2 sorption isotherms, (D) pore size distributions, (E) XPS N 1s and (F) Ni 2p spectra of the designed catalysts.
Figure 2. (A) PXRD patterns, (B) Raman spectra, (C) N2 sorption isotherms, (D) pore size distributions, (E) XPS N 1s and (F) Ni 2p spectra of the designed catalysts.
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