Fig. 10

4-NP reduction reaction by sodium borohydride in the presence of the PD-AuNP catalyst. a UV-visible spectra and b plot of ln(C t /C 0 ) as a function of time (min)
4-NP reduction reaction by sodium borohydride in the presence of the PD-AuNP catalyst. a UV-visible spectra and b plot of ln(C t /C 0 ) as a function of time (min)