[Study on the spectra of Au/alpha-Fe2O3 catalysts modified by ZrO2 and Nb2O5 promoters].


A series of Au/alpha-Fe2O3 catalysts promoted with ZrO2 and Nb2O5 were prepared by parallel co-precipitation method. Detailed characterizations were conducted by techniques including UV-Vis-DRS, XPS, TEM and XRF. Results indicated that the enrichment of Au, ZrO2 and Nb2O5 on the surface induced by the strong interaction between ZrO2 and Nb2O5 kept the… (More)


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