Abstract
ZnO/In2O3 composite nanofibers were fabricated by electrospinning method and effects of process parameters on the distribution and mean diameter of synthesized NFs were investigated. Electrospinning process followed by post calcination was performed at two different temperatures to optimize the synthesis condition of ZnO and In2O3 NFs. Thermal Analysis was done on electrospun fibrocomposites to find calcination temperatures. Electrospinning parameters (Tip to Collector Distance (TCD), feeding rate, and applied voltage), which led to a uniform distribution and thinnest NFs, were used for synthesizing ZnO/In2O3 composite in the co-electrospinning process. Structural, morphological, and chemical studies were also carried out on the NFs. TCD increment led to the improvement of diameter distribution and homogeneity of synthesized NFs. Low voltages (below 20 kV) resulted in thinner fibers without appearing any remarkable beads defect and the optimum feeding rate was found to be 1 ml/h. For further application of NFs in gas sensors, well distributed thinnest fibers were obtained.
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