Abstract

The droplet generation under the action of the pyroelectric field created by uniform heating or cooling of the monodomain lithium tantalate plate was studied. The droplets of dielectric and conductive liquid with the volume below picoliter have been deposited on glass substrate with good reproducibility. It was shown that the drying of the dispensed colloid droplets allowed producing the uniform circular and ring-like micron-size patterns of Ag nanoparticles on the substrate. The numerical simulation of attractive force induced by pyroelectric field which is applied to the drop allowed us to explain the obtained results.

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