I have synthesized a nanoparticle which has piezo electric property and dispersed in the polymer solution to prepare nanofibres through the process of electrospinning. Is there any standard method to measure the piezo electricity of the nanomaterial or nanofibres?.
You have to make a pellet of the powder using a pellet press. Then the piezoelectric constant d33 can be measured by any standard d33 meter like this: https://www.americanpiezo.com/standard-products/d33-meter.html. [This link just for convenience, not a recommendation.]
Before the measurement you have to "pole" the pellet in silicon oil (or something alike) at a temperature slightly above room temp. You can find details about poling from any good papers online.
[e.g.: http://dx.doi.org/10.1016/j.ceramint.2016.09.207; again, just for convenience! It is not my publication.]
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