A kind of biosensor of graphene/copper particle hybrid structure and preparation method
A biosensor, hybrid structure technology, applied in instruments, scientific instruments, measuring devices, etc., can solve the problems of difficult detection of mixed biomolecules, cumbersome preparation process, low sensitivity, etc., achieve high chemical adsorption and physical enhancement mechanism, reduce process Process, the effect of high crystal quality
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[0072] The preparation method of the biosensor of graphene / copper nanoparticle, such as Figure 4 shown.
[0073] 1. Use scissors to cut a 5cm×15cm blank glass fiber paper, and cut a certain quality of copper sheet.
[0074] 2. Turn on the evaporating and splashing instrument, put a certain mass of copper into the evaporating boat, then put the glass fiber into the evaporating instrument, turn off the evaporating and splashing instrument, and check whether the airtightness is good.
[0075] 3. Turn on the working switch of the instrument, turn on the mechanical pump, bypass valve, and molecular pump in turn, and vacuum the evaporation instrument to 3×10 -3 Torr.
[0076] 4. After vacuuming, turn on the evaporation button, slowly increase the evaporation current to 135A, continue evaporation for one minute, and then turn off the evaporation button. After waiting for ten minutes, turn off the suction pump, open the evaporation apparatus and take out the glass fiber material. ...
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