Figure 2 | Scientific Reports

Figure 2

From: Architecture engineering of nanostructured catalyst via layer-by-layer adornment of multiple nanocatalysts on silica nanorod arrays for hydrogenation of nitroarenes

Figure 2

(a) A photographic image of v-SiO2 NRs@Pd nanostructured catalyst on p-type Si wafer (left) and bare p-type Si wafer. The diameter of the p-type Si wafers is 4 inches. (b) Cross-sectional SEM image of the v-SiO2 NRs@Pd nanostructured catalyst. (c) GIXRD pattern of v-SiO2 NRs@Pd nanostructured catalysts on p-Si wafer. (d) XPS core level spectrum of Pd 3d for v-SiO2 NRs@Pd nanostructured catalyst.

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