Nano Science and Technology Institute
Nanotech 2010 Vol. 2
Nanotech 2010 Vol. 2
Nanotechnology 2010: Electronics, Devices, Fabrication, MEMS, Fluidics and Computational
Chapter 9: Inkjet Design, Materials & Fabrication

Nano-Patterning of NaCl Using Nanopipette based on the QTF-AFM System

Authors:S.M. An, M. Geol W.H. Jhe
Affilation:Department of Physics and Astronomy, Seoul National University, KR
Pages:550 - 551
Keywords:nano-patterning, NaCl, nanopipette
Abstract:We made nano-patterning of NaCl on the clean Au-Substrate & Mica using Nanopipette based on the QTF-AFM (Quartz Tunning Fork-Atomic Force Microscopy) nano-scaled water ejection system. The NaCl is ionized in liquid solution (we used deionized-Water) which can be easily extruded out from the hole of nanopipette, and the Na+ and Cl- ions would be resolved and be crystallized without liquid. After filled the NaCl solution in the nanopipette, we applied electric field to eject out the solution on the clean Au-Substrate and Mice. Used nanopipette’s apex diameter was 100~1000 nm which was fabricated by commercial pipette puller (P-2000). With QTF-AFM feedback system, we could sustain the distance between tip and substrate. The nano-patterned size could be controlled by the nanopipette’s size and applied electric field.
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