Electronic Supplementary Information for New Journal of Chemistry
Paper b801764f
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The dependence of cathodic peak currents on scan rates and the square roots of scan rates for PMo
12
aqueous-modified electrode and PMo
12
sol-modified electrode (Fig. S1), XPS spectra of molybdenum and sulfur elements for the silica after exposure to SO
2
(Fig. S2), X-ray diffraction pattern of silica containing PMo
12
(Fig. S3), and main relevant IR data observed for PMo
12
and PMo
12
–SiO
2
hybrid materials (Table S1)
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