Fig. 1. SEM images of electro-spun nanofibers and fiber diameter distribution: (a-c) LaSrCoFe/PVP nanofibers web and (d-f) La0.6Sr0.4Co0.2Fe0.8O3 perovskite nanofibrous web calcined at 800 ℃.
Fig. 2. SEM and EDS mapping images of 4.5 wt% Ag loaded La0.6Sr0.4Co0.2Fe0.8O3 perovskite nanofibrous web.
Fig. 3. XRD patterns of 4.5 wt% Ag loaded La0.6Sr0.4Co0.2Fe0.8O3 and only La0.6Sr0.4Co0.2Fe0.8O3 perovskite nanofibrous webs.
Fig. 4. XPS spectra of 4.5 wt% Ag loaded La0.6Sr0.4Co0.2Fe0.8O3 and only La0.6Sr0.4Co0.2Fe0.8O3 perovskite nanofibrous webs.
Fig. 5. Thermo-gravimetric analysis (TGA) results for soot oxidation of mixture (catalyst and soot): 4.5 wt% Ag loaded La0.6Sr0.4Co0.2Fe0.8O3 nanofibrous web, La0.6Sr0.4Co0.2Fe0.8O3 nanofibrous web and only carbon black.
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