Molecular dynamics study on the field effect ion transport in carbon nanotube |
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Authors: | Jeong Won Kang Ki Ryang Byun Ju Yul Lee Sun Cheol Kong Young Wan Choi Ho Jung Hwang |
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Affiliation: | aNano Electronic Future Technology Laboratory, School of Electrical and Electronic Engineering, Chung-Ang University, 221 HukSuk-Dong, DongJak-Ku, Seoul 156-756, Republic of Korea;bLaboratory of Optoelectronics and Optical Communications, School of Electrical and Electronic Engineering, Chung-Ang University, 221 HukSuk-Dong, DongJak-Ku, Seoul 156-756, Republic of Korea |
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Abstract: | We investigated potassium ion transport in the (5, 5) carbon nanotube by using classical molecular dynamics simulations under applying external force fields. This can be applied to nanoscale ionic-field-effect devices. As the applying external force field increases, the potassium ions rapidly go through the nanochannel. Under the low external force fields, the thermal fluctuation of the nanochannel affected on the tunneling of the potassium ions, whereas the effects of the thermal fluctuation were negligible under the high external force fields. |
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Keywords: | Nanoscale ionic-field-effect devices Carbon nanotube Nanochannel Nano electro-fluidics |
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