Preparation of AuNPs/GQDs/SiO₂ Composite and Its Catalytic Performance in Oxidation of Veratryl Alcohol

Table 1

Concentrations of constituent elements of AuNPs/GQDs/SiO₂, as determined by XPS measurements.

Element	C 1s	N 1s	O 1s	Si 2p	Au 4f
Atomic Conc. (%)	59.2	6.22	24.3	9.35	0.92
Mass Conc. (%)	43.6	5.34	23.9	16.1	11.1