Research Article
A Novel Hierarchical Structured Poly(lactic acid)/Titania Fibrous Membrane with Excellent Antibacterial Activity and Air Filtration Performance
Figure 6
TEM images of the PLA/TiO2 fibrous membranes loaded with 1.75 wt% TiO2 NPs fabricated under various relative humidities: (a) 15%, (b) 30%, (c) 45%, and (d) 60%.
(a) |
(b) |
(c) |
(d) |