2008 NSTI Nanotechnology Conference and Trade Show - Nanotech 2008 - 11th Annual

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TechConnect Summit
Clean Technology 2008

Potential measurement through Nano-Scaled Liquid bridge using AFM System based on QTF and Nanopipette

S.M. An, S.J. Jang, W.H. Jhe
Seoul National University, KR

Keywords:
Nanopipette, AFM, Nano ion liquid

Abstract:
We demonstrated that the apex of the nanopipette with metal electrodes could be used as a potential-meter through nano-scaled liquid bridge using AFM System based on QTF and Nanopipette. The nanopipette was fabricated by commercial pipette puller(P-2000) and electrodes of Ti-Au was deposited by thermal evaporator. With high static electricity at the end of pipette by applying voltage to the nanopipette, tip contacted to the sample which has different potentials in ion solution, As a result, a current would be suddenly increased by forming of electron channel.


Nanotech 2008 Conference Program Abstract