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Oxide gas sensor based on electrospun nanofibers were fabricated and studied in this paper. Polyvinyl pyrrolidone (PVP)/Nickel acetate precursor nanofibers were electrospun, which were sintered into Nickel oxide (NiO) nanofibers with diameter in the range of 100 to 400 nm. The morphology and structure of NiO nanofiber were characterized by scanning electron microscopy and X-ray diffraction. The Gas...
Ethyl cellulous (EC) fibrous films were fabricated via electrospinning from solutions with various DMF/acetone volume ratios and the hydrophobic properties were investigated. The morphology of electrospun EC films reveals a conversion from beads to uniform nanofibers by decreasing the DMF/acetone ratio. Pure DMF solution leads to bead structures while uniform nanofibers can be obtained from DMF/acetone...
Laminar sheath gas is introduced into the Electrohydrodynamic Direct-Write (EDW) to promote the stability of charged jet and deposition precision of printed micro/nano structure. A novel EDW spinneret with sheath gas is designed to fabricate fine 1D micro/nano structure under lower applied voltage. The laminar sheath gas restricts the whipping motion of charged jet as well as decreases the required...
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