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dc.contributor.authorLiu, L
dc.contributor.authorDing, J
dc.contributor.authorSarrigani, GV
dc.contributor.authorFitzgerald, P
dc.contributor.authorAljunid Merican, ZM
dc.contributor.authorLim, JW
dc.contributor.authorTseng, HH
dc.contributor.authorXie, F
dc.contributor.authorZhang, B
dc.contributor.authorWang, DK
dc.identifier.citationLiu, L., Ding, J., Sarrigani, G. V., Fitzgerald, P., Aljunid Merican, Z. M., Lim, J. W., Tseng, H. H., Xie, F., Zhang, B. & Wang, D. K. (2020). Enhanced catalyst dispersion and structural control of Co3O4-silica nanocomposites by rapid thermal processing. Applied Catalysis B: Environmental, 262,
dc.description.abstractWe synthesized cobalt tetroxide (Co3O4) silica nanocomposites based on the conventional tetraethyl orthosilicate (TEOS) monomer and ethoxy polysiloxane (ES40) oligomer by sol-gel chemistry coupled with rapid thermal process (RTP). The physicochemical properties and structural formation of cobalt oxide silica nanocomposites were comprehensive characterized. By using ES40, well-controlled, homogeneous nanoparticle dispersion and size of Co3O4 with 5 nm within the silica matrix were achieved leading to fractal-like morphology. The concentration of the Co3O4 nanocatalyst was also significantly enhanced by more than 50 folds. Fenton-like HCO3−/H2O2 catalytic system using acid orange 7 and nanocomposites was examined for organic degradation. 98% AO7 and naphthalene intermediates degradation efficiency was achieved after 20 min with ES40-derived catalyst, which was three to ten folds faster than that of the TEOS-derived catalyst and the commercial Co3O4 catalyst. The combined use of ES40 sol-gel and RTP enabled a simple way to nanomaterial preparation and lowers overall processing time.
dc.titleEnhanced catalyst dispersion and structural control of Co3O4-silica nanocomposites by rapid thermal processing
dc.typeJournal Article
melbourne.affiliation.departmentChemical and Biomolecular Engineering
melbourne.source.titleApplied Catalysis B: Environmental
melbourne.openaccess.statusPublished version
melbourne.contributor.authorLiu, Liang
melbourne.accessrightsAccess this item via the Open Access location

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