We fabricated prophyrin-embeded and -coated PVA nanofibers using an electrospinning technique. Tetraethyl olthosilicate (TEOS) was used as a cross-linking agent for PVA to decrease solubility in aqueous solution. FT-IR and XPS results confirm the stru...
We fabricated prophyrin-embeded and -coated PVA nanofibers using an electrospinning technique. Tetraethyl olthosilicate (TEOS) was used as a cross-linking agent for PVA to decrease solubility in aqueous solution. FT-IR and XPS results confirm the structural compositions of porphyrin/TEOS/PVA nanofibers. UV-vis spectroscopy shows a strong Q band and relatively weak Soret bands from the porphyrin/polymer nanofibers, and fluorescence microscopy displays strong red emission from all over the fibers. These results indicate that the porphyrins are homogeneously dispersed in and on the fibers. We also compared acid vapor sensitivity of the porphyrin-embeded PVA nanofibers with that of porphyrin-coated fibers.