Preparation of silver nanometer electrodes
A silver nanometer and electrode technology, applied in the field of nanomaterials, can solve the problems of high price, difficult mask production, and easy deformation of the mask.
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[0011] Embodiment: a kind of preparation method of silver nano-electrode, comprises comb-shaped gold electrode etching (on the P-type Si (100) substrate, is plated the comb-shaped gold electrode of 2-20 μ m spacing by the method for photolithography), also includes ( 1) Self-assembly substrate preparation: take the above-mentioned silicon substrate that has been ultrasonically treated in an organic solvent and washed with water, put it in a Piranha solution, wash it with water and dry it with a non-oxidizing gas, then treat it with an OTS solution and wash it with an organic solvent Cleaning; (2) nanowire etching: use the conductive atomic force microscope current simultaneous measurement mode to etch nanowires on the self-assembled substrate, and the radius of curvature of the needle tip is less than 50 nanometers; (3) nanowire generation: the etched substrate Soak the tablet in silver acetate aqueous solution, take it out and soak in ethanol for a short time, then soak in sod...
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