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Resistance of graphene dispersion

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  1. Oct 1, 2013 #1
    Hi,

    I just got a small bottle of graphene dispersion (not GO) on ebay and put a small drop on a ciruit board as shown in the pic. I expected to measure a finite resistance because graphene is a conductor as much as I know. But it seems to have zero conductance from what I read on the multimeter. My question is: Why does it have zero conductance? Do I have to do a processing on the dispersion before it starts to be a good conductor?

    Thanks in advance...
     

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  3. Oct 1, 2013 #2

    UltrafastPED

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    It's not a conductor if there are gaps; you would need a continuous piece of graphene, or multiple pieces that are bonded together so that they conduct from one to the next.

    Here is a commercial supplier, with some helpful notes:
    https://graphene-supermarket.com/Conductive-Graphene-Dispersion-100.html
     
  4. Oct 1, 2013 #3
    Thanks...
     
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