And through the calculation of the peak area, the content of Me-N in the three catalysts in the N peak in the entire XPS can be obtained (Table 4.4), which are 37 at%, 22 at%, and 22 at%, respectively.
Through peak area calculation, the content of me-n in the n peak in the whole XPS of the three catalysts can be obtained (table 4.4), which are 37 at%, 22 at% and 22 at% respectively