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[科研快报]Preparation and characterization of hexagonal SrMnO3 nanofibers by electrospinning

2016-12-07 10:24:01   来源:合成纤维工业网站

[关键词]strontium manganate; polyvinylpyrrolidone; electrospinning; calcination; nanofibers

【摘要】SrMnO3/polyvinylpyrrolidone (PVP) composite nanofibers have been prepared successfully by electrospinning from strontium (Ⅱ) nitrate and manganese(Ⅱ) acetate tetrahydrate. The hexagonal SrMnO3 nanofibers was obtained after calcination at 800 ℃ for 3 h. The effect of PVP concentration was investigated. The structure and properties of nanofibers were characterized. The results showed that SrMnO3/PVP composite nanofibers became uniform and the beaded structure disappeared when the mass fraction of PVP reached 8%; PVP completely decomposed and all the feedstocks transformed into SrMnO3 during the calcination at 700  ℃,  thus a goodpurity hexagonal  SrMnO3 fibers of 150-200 nm in the diameter were obtained.

(Zhu Hua, Zhong Xin)

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