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所属单位：材料科学工程学院

发表刊物：Materials Letters

项目来源：省、市、自治区科技项目

关键字：Sol–gel preparation,Perovskites,Electrospinning,Nanomaterials,Morphology

摘要：Ultrafine one-dimensional LaFeO3 nanofibers were synthesized by electrospinning utilizing sol–gel precursors. The surface morphology, microstructure and crystal structure were investigated by scanning electron microscopy, X-ray diffraction and transmission electron microscopy. The nanofibers with smaller diameter were continuous and uniformly distributed. Typical fiber diameter was between 180 nm and 220 nm and the average diameter was 200 nm. The fibers consisted of many single-crystal LaFeO3 grains and the grain size was about 20–50 nm. The relationship between the diameter of as-synthesized fibers and the PVP concentration of the precursor was investigated. The experimental results indicated that the PVP concentration had a great impact on the fiber size and 5.89 wt.% PVP concentration in sol–gel precursors was advantageous to the formation of more uniform electrospun composite fibers with smaller diameter.

第一作者：冷静

论文类型：期刊论文

卷号：64

页面范围：1

是否译文：否

发表时间：2010-03-16