我国著名科学家钱学森曾预言:“纳米左右和纳米以下的结构将是下一阶段科技发展的特点,会是一次技术革命,从而将是21世纪的又一次产业革命”。纳米技术已纷纷被美、日、英等发达国家列入21世纪的国家关键技术和战略 Qian Xuesen, a famous scientist in our country, predicted that: “The structures below about nanometers and nanometers will be the characteristics of the next phase of technological development and will be a technological revolution that will be another industrial revolution in the 21st century.” Nanotechnology has been listed by the developed countries such as the United States, Japan and Britain in the key technologies and strategies of the 21st century in the 21st century