TiO_2包覆CNTs复合纳米线的制备研究Preparation of TiO_2 coated CNTs composite nano-wire
赵龙志;王怀;赵明娟;张鹏;唐延川;刘德佳;李劲;宋立军;
摘要(Abstract)：
以钛酸四丁酯、碳纳米管、无水乙醇为原料,采用水解法制备具有核壳结构的TiO_2包覆CNTs复合纳米线,利用SEM、TEM、XRD、FTIR和DLS对复合纳米线的形貌、成分和结构进行表征,研究钛酸四丁酯添加量对核壳结构复合纳米线的影响。结果表明:以CNTs为模板载体,用水解法制备的TiO_2包覆CNTs复合纳米线表面均匀致密,CNTs模板中空结构被TiO_2原子充分填充;随钛酸四丁酯含量的增加,复合纳米线表面TiO_2壳层厚度增加,复合线表面平整性最佳;当钛酸四丁酯与碳纳米管的质量比高于30∶1时,复合纳米线表面附着了游离态的氧化钛颗粒,复合纳米线表面平整性下降。
关键词(KeyWords)： 核壳结构;复合纳米线;水解法;碳纳米管;钛酸四丁酯含量
基金项目(Foundation): 国家自然科学基金(51761012;51965022);; 江西省科技厅科技项目(20153BCB23005;20192BAB206028)
作者(Author): 赵龙志;王怀;赵明娟;张鹏;唐延川;刘德佳;李劲;宋立军;
Email:
DOI: 10.14024/j.cnki.1004-244x.20191212.002
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