'Afyon Kocatepe Universitesi Iktisadi ve Idari Bilimler Fakultesi Dergisi'
Abstract
TiO2 and Ru-doped TiO2 nanofibers were fabricated by calcining electrospun TiO2-PVP hybrid fibers at
600 o
C. Their humidity and O2 sensing properties were investigated. The morphologies of nanofibers
were characterized by scanning electron microscopy (SEM), which showed that the nanofibers with
diameter of 260 nm formed a non-woven mat structure. Phase structures of the nanofibers were
characterized by X-Ray difractometer (XRD) which showed that TiO2 nanofibers are polycrystalline with
a mixture of anatase and rutile structure at 600o
C. The effects of Ru doping in TiO2 sensing properties
were investigated. The results show that humidity and O2 gas sensing properties of TiO2 nanofibers are
effectively enhanced by Ru doping
