薄壁纳米碳管杂原子可控掺杂及官能团催化作用研究

项目名称： 薄壁纳米碳管杂原子可控掺杂及官能团催化作用研究

项目编号： No.51202262

项目类型： 青年科学基金项目

立项/批准年度： 2013

项目学科： 无机非金属材料学科

项目作者： 张建

作者单位： 中国科学院宁波材料技术与工程研究所

项目金额： 25万元

中文摘要： 以纳米碳管为代表的纳米碳材料是国际纳米科学领域研究的热点之一。氧、氮、硼等杂原子在石墨结构中掺杂后可显著提高其表面活性，掺杂材料在催化、环保、储能、药物输送等领域有着广泛的应用前景，解析杂原子渗入机制、探索可控掺杂方法对纳米碳材料应用研究将起到关键作用。本项目以薄壁纳米碳管掺杂材料为主要研究对象，采用同步辐射与光谱表征技术分析掺杂物种分布，掌握氧、氮、硼等原子掺入石墨结构机制与动力学特征，开发结构可控、经济实用的掺杂新技术，探索纳米碳管掺杂材料及其金属复合材料在选择氧化反应中的催化性能。本项目将着重从"结构解析、掺杂机理、构效关系"三个方面开展纳米碳管掺杂研究，为纳米碳管复合材料在工业催化领域的规模化应用提供理论支撑。

中文关键词： 纳米碳管；掺杂；表面；催化；机理

英文摘要： Carbon nanomaterials, e.g. fullerene, carbon nanotube and graphene, are one of the hottest topics inside the research field of nanoscience. Doping with oxygen, nitrogen, boron and other heteroatoms can efficiently improve the surface reactivity of graphitic domains. The doped carbon materials have wide applications in the fields of catalysis, environmental protection, energy storage, drug delivery, etc.. It is necessary to investigate the doping mechanism of heteroatoms and controllable doping methods, and this will promote the applications of doped carbon nanomaterials. This project will focus on the doped thin-walled carbon naotubes materials, analyze the distribution of doped speices by using synchrontron-excited and spectroscopic technologies, understand the mechanistic and kinetic features of heteroatoms (e.g. oxygen, nitrogen, boron) doping graphitic structure, and explore some structurally controllable, economical and applicable doping methods. The catalytic performance of doped carbon nanotubes and its composited materials will be explored in selective oxidation reactions. The research of doping chemistry mainly includes the structure identification, doping mechanism and structure-performance relationship, which will provide the solid theoretical support for the batch applications of carbon nanotubes in

英文关键词： Carbon nanotube；Doping；Surface；Catalysis；Mechanism