Skip to main content
. 2016 Jan 5;6:18817. doi: 10.1038/srep18817

Figure 3.

Figure 3

UV-vis spectra of catalysts before and after reduction (a) Au/MPTMS-SiO2-as, (b) Au/MPTMS-SiO2-BH4, (c) Au/MPTMS-SiO2-H2 and (d) Au/MPTMS-SiO2-cal.