芯壳结构碳包覆二氧化锡纳米纤维膜制备及表征

纺织学报 ›› 2013, Vol. 34 ›› Issue (5): 7-11.

芯壳结构碳包覆二氧化锡纳米纤维膜制备及表征

刘俊雄¹ 单小红¹ 夏鑫^1,2

1. 新疆大学纺织与服装学院
2. 生态纺织教育部重点实验室（江南大学）

出版日期:2013-05-15 发布日期:2013-05-15
通讯作者: 夏鑫 E-mail:xjxiaxin@163.com
基金资助:
国家自然科学基金资助项目

Preparation and characterization of core-shell structured C/SnO₂ nanofiber membrane

Online:2013-05-15 Published:2013-05-15

摘要/Abstract

摘要： 采用同轴静电纺丝技术与溶胶凝胶法相结合制备了芯壳结构的碳包覆二氧化锡纳米纤维膜，应用扫描电子显微镜（SEM）、透射电子显微镜（TEM）对纳米纤维的形貌进行了表征，并测试了纳米纤维膜的拉伸力学性能。结果表明，随着芯层、壳层纺丝速率的增大，纳米纤维的平均直径逐渐增大，纳米纤维膜的断裂强力和断裂强度逐渐增大。当芯壳层纺丝速率分别为0.3、0.6 mL ∕ h 时，制备的纳米纤维连续性更好，表面形貌光滑，粗细更均匀，芯壳结构形貌明显优于其他2组，纳米纤维膜的断裂伸长率较大。

关键词: 同轴静电纺丝, 芯壳结构, 纳米纤维, 力学性能

Abstract: C/SnO₂ nanofibers with a core-shell structure were prepared by using coaxial electrospinning combined with sol-gel method. The morphologies of nanofibers were characterized by field emission scanning electron microscopy (SEM) and transmission electron microscopy (TEM), and the tensile mechanical properties of nanofiber membrane were measured. The results indicated that the average diameter of the nanlfibers increased with the increase of the electrospinning speed ratios of core/shell, making the breaking strength and tenacity of fibrous membrane increased. When electrospinning speed ratios of core/shell was at 0.3 mL?h^-1 respectively. The continuity of nanlfibers was better, and the nanofiber was uniform and smooth. The surface and the morphology of core-shell structure were obviously superior to the other two groups. The nanlfibers membrane had longer breaking elongation.

Key words: coaxial electrospinning, core-shell structure, nanofiber, mechanical property

刘俊雄单小红夏鑫. 芯壳结构碳包覆二氧化锡纳米纤维膜制备及表征[J]. 纺织学报, 2013, 34(5): 7-11.

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