Simulation Studies of a “Nanogun” Based on Carbon Nanotubes

查看全文 作　　者：Yitao [1]Dai;Chun [1]Tang;Wanlin [1]Guo

机构地区：[1]Institute of Nano Science,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China

出　　处：《Nano Research》索引2008年第1卷第2期,共8页

基　　金：by the 973 Program(2007 CB936204);the Ministry of Education(No.705021,IRT0534);NSF(10732040)of China. 摘　　要：Quantum mechanical molecular dynamics simulations show that electrically neutral carbon nanotubes or fullerene balls housed in an outer carbon nanotube can be driven into motion by charging the outer tube uniformly.Positively and negatively charged outer tube are found to have quite different actions on the initially neutral nanotubes or fullerene balls.A positively charged tube can drive out the molecule inside it out at speeds over 1 km/s,just like a“nanogun”,while a negatively charged tube can drive the molecule into oscillation inside it and can absorb inwards a neutral molecule in the vicinity of its open end,like a“nano-manipulator”.The results demonstrate that changing the charge environment in specifi c ways may open the door to conceptually new nano/molecular electromechanical devices. 关键词：Energy conversion carbon nanotube neutral molecule driving mechanisms

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Simulation Studies of a “Nanogun” Based on Carbon Nanotubes

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