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. 2014 Feb 5;4:3978. doi: 10.1038/srep03978

Figure 2. The photos and microscopy images of samples.

Figure 2

(a–c) The photo and SEM images of as-prepared PVP/Ta2O5/Ta(OEt)4 composite nonwoven cloth. (d–f) The photos and SEM images of Ta2O5 nonwoven cloth after the anneal in air at 600°C for 6 h. (g–i) The photo and SEM images of Ta3N5 nonwoven cloth after the nitridation at 800°C under NH3 flow (500 mL min−1) for 8 h. (j–l) TEM images of nanofibers from Ta3N5 nonwoven cloth and HR-TEM image of one nanoparticle in the nanofiber from Ta3N5 nonwoven cloth. (m–o) SEM image of Ta3N5-Pt nonwoven cloth, TEM image of Ta3N5 fiber decorated with Pt nanoparticles and HR-TEM image of one Pt nanoparticle on the surface of the nanofiber from Ta3N5-Pt nonwoven cloth.