title: Preparation of LaFeO3 nanofibers by electrospinning for gas sensors with fast response and recovery.
abstract: LaFeO(3) nanofibers are successfully prepared by the electrospinning method. XRD patterns show that the materials belong to a cubic system. After calcination at 600 °C for 3 h, SEM photographs show that the diameters of the nanofibers are about 80-90 nm and their surfaces are smooth. The response-recovery properties of an LaFeO(3) nanofiber sensor to ethanol are better than those of an LaFeO(3) nanobelt and nanoparticle sensor. LaFeO(3) nanofibers have relatively low resistance, and they improve the weakness of LaFeO(3) nanoparticles upon application. An LaFeO(3) nanofiber sensor also has good reversibility and selectivity to ethanol and is a very good p-type semiconductor material.
authors.affiliation: State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun, People's Republic of China.
authors.forename: Hui-Tao
authors.initials: HT
authors.lastname: Fan
authors.forename: Xiu-Juan
authors.initials: XJ
authors.lastname: Xu
authors.forename: Xiao-Kang
authors.initials: XK
authors.lastname: Ma
authors.forename: Tong
authors.initials: T
authors.lastname: Zhang