摘要
钒氧化物一维纳米材料因其新颖的结构和独特的电输运等特性,在纳电子和锂离子电池等领域受到广泛的关注和重视。基于国内外最新研究进展及本课题组的研究工作,综述了钒氧化物一维纳米材料的制备技术和电输运性能研究。首先介绍了Mo掺杂VO2纳米线阵列的形成机理及其半导体-金属相变特性;然后介绍了AgVO3-PPy同轴纳米电缆和单根NH4V3O8纳米带器件的构筑与电输运特性。最后指出对单根钒氧化物一维纳米材料及其阵列器件的性能研究是更深入探索此类材料的有效途径及发展方向。
One-dimensional vanadium oxide nanomaterials have attracted great attention in the field of nanoelectronics,Li ion batteries and so on because of their novel structures and unique electrical transport and related properties.This paper reviews the current research on construction and electrical transport properties of one-dimensional vanadium oxide nanomaterials based on the latest literatures and our group＇s work.First,the formation mechanism and semiconductor-metal phase transition of Mo-doped VO2 nanowire arrays are introduced.Then,the construction and electrical transport of AgVO3-PPy coaxial nanocables and individual NH4V3O8 nanobelts are illustrated.It is pointed out that it is an effective way and development direction to investigate the properties of devices based on single one-dimensional vanadium oxide nanomaterials and arrays.
基金
国家自然科学基金资助项目(50702039)
高等学校博士学科点专项科研基金资助项目(20070497012)
国家教育部归国留学人员基金资助项目(教外司留(2008)890号)
武汉市创新人才开发资金专项(武人(2008)84号)
关键词
一维纳米材料
钒氧化物
构筑
电输运性能
one-dimensional nanomaterials
vanadium oxide
construction
electrical transport property
