纳米技术与信息技术、生物技术一起被并列为当代三大技术。纳米材料自从2 0世纪80年代开发问世之后,引起世界各国极大关注。1　全球纳米技术投资和市场美国1 999年制订了“国家纳米技术发展计划”,2 0 0 3年投资7 1 0亿美元,全面发展纳米科技,并成立了以发展纳米技术实用化为宗 Nanotechnology and information technology, biotechnology are tied together as the contemporary three major technologies. Nanomaterials have attracted great attention of all countries in the world since their development in the 1980s. 1 Global Nanotechnology Investment and Market The United States enacted the “National Nanotechnology Development Plan” in 1999, investing 710 billion U.S. dollars in 2003 to develop nanotechnology in an all-round way and set up a new state-of-the-art technology to develop nanotechnology into a reality