Disposable surface-enhanced Raman spectroscopy chip and preparation method
A surface-enhanced Raman, one-time technology, applied in the direction of Raman scattering, material excitation analysis, etc., can solve unapplied problems, and achieve the effects of low production cost, enhanced vibration signal, and uniform pore size
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[0027] A kind of disposable surface-enhanced Raman spectroscopy chip prepared in this embodiment, such as figure 1 As shown, it is a sheet structure, including the bottom layer 3, the middle layer 2 and the surface layer 1, the bottom layer 3 is an insulating substrate, the middle layer 2 is a conductive layer, and the conductive layer is made of conductive material or formed by screen printing or vacuum evaporation. Or it is formed by sputtering, the metal material used is silver, and the surface layer 1 is a porous nano-silver dendritic structure with a surface-enhanced Raman spectrum effect.
[0028] Prepare a method for preparing a disposable surface-enhanced Raman spectroscopic chip as described above, form an intermediate layer 2, that is, a conductive layer, on the bottom layer 3 insulating substrate by screen printing or vacuum evaporation or sputtering, and Conducting electrodeposition reaction treatment at room temperature to obtain a surface layer 1 with a surface-e...
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