基于德温特专利数据的低维纳米碳材料发展态势文献分析

富勒烯、碳纳米管和石墨烯等低维纳米碳材料为近年来纳米材料和纳米技术领域的研究热点。本文以3种典型的低维纳米碳材料为研究对象，通过对德温特（Derwent）专利数据库收录的从2005—2015年专利受理数量、国家分布、专利权人名称、学科类别及国际专利分类代码等相关信息进行分析，发现近年来研发人员更加关注石墨烯，对碳纳米管和富勒烯的关注度在逐渐下降。经过对全球低维纳米碳材料技术创新现状与发展趋势的分析，指出我国低维纳米碳材料在进一步发展中还存着研发领域发展不均衡、缺乏全方位发展战略的整体布局研究、技术成果不能顺利转化、经费投入偏低等问题，并针对以上问题提出了建设性意见，以期为我国低维纳米碳材料相关领域的技术创新和决策提供参考。

Patent analysis on the development trend of low-dimensional carbon nanomaterials by Derwent innovations index

Low-dimensional carbon nanomaterials,including fullerene,carbon nanotube and grapheme,are the research hotspot in the field of nanomaterial and nanotechnology. In this paper,three kinds of typical low-dimensional carbon nanomaterials were selected as the research object. Patent information about the three kinds of low-dimensional carbon nanomaterials was collected by Derwent innovations index database from 2005 to 2015. Through analyzing the granted patent numbers,country distribution of patent applications,patentee's names,subject category and the international patent classification code,the authors found that in recent years,researchers has gradually paid pay more attention to grapheme,but less to carbon nanotubes and fullerene. By the analysis of the technical innovation status and the development trend of low-dimensional carbon nanomaterials,we also revealed the existing problems in the further development of low-dimensional carbon nanomaterials. The development levels of low-dimensional carbon nanomaterials in different research fields are unbalanced,and there is still lack of comprehensive development strategy. The industrialization of technological achievements and the research outcomes of original innovation is still problematic and the investment for research and development is insufficient. This article also gave the corresponding suggestions about the restrictions of developing low-dimensional carbon nanomaterials. The results will provide references for the technical innovation and strategic development of low-dimensional carbon nanomaterials.