| Electrochemical potential at the interface between carbon nanotubes and electrolyte |
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| 作者姓名： | 吕建伟 |
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| 作者单位： | College of |
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| 摘 要： | IntroductionaCarbonnanotube(CNT)isakindofcarbonallotrope,whichwasfoundin19911].Carbonnanotubes,particularlysingle-walledcarbonnanotubes(SWNTs),areprototypeone-dimensionalnano-materialfortheirlargeaspectratio.Theyexhibitgoodconductorandsemiconductorbehaviorsbaseontheirstructures2].Sincetheirdiscovery,carbonnanotubeshaveattractedmuchattentionfortheirnovelstructureandmarvelousproperties.Scientistshavetakenalotofeffortstomakenano-circuitsandmolecularelectroniccomponentswithCNTs,includingfie…
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| 关 键 词： | 碳纳米棒 电解 电化学电位 场效应 纳米结构 |
Electrochemical potential at the interface between carbon nanotubes and electrolyte |
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| LU Jian-wei,WANG Wan-lu,Wu Zi-Hu,WANG Yong-tian.Electrochemical potential at the interface between carbon nanotubes and electrolyte[J].Journal of Chongqing University,2004,3(2):1-3. |
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| Authors: | LU Jian-wei WANG Wan-lu Wu Zi-Hu WANG Yong-tian |
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| Abstract: | The dependences of electrochemical potential at the interface between carbon nanotubes and electrolyte upon temperature and electrolyte concentration are studied. Carbon nanotubes were synthesized by hot filament chemical vapor deposition with Si as the substrate. Four substances were tested: NaCl solution, KCl solution, water and alcohol. It is found that for NaCl and KCl solutions, at the interface, there is a large electrochemical potential which increases with temperature and is larger for an electrolyte of higher concentration. There is a significant field effect of carbon nanotubes with electrolyte as the gate,and the effect depends on the ionizability of the electrolyte. Such physicochemical property invests carbon nanotube a potential application in nanoelectronics. |
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| Keywords: | carbon nanotubes field effect electrochemical potential electrolytes electrolyte carbon nanotubes interface potential application physicochemical property nanoelectronics field effect significant gate large solutions water alcohol NaCl Four substances Carbon synthesized hot filament chemical vapor deposition |
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