NSTI Nanotech 2009

Piezoelectric Inkjet Printing of Metal Particle Films

L.F. Deravi, D.E. Cliffel, D.W. Wright
Vanderbilt University, US

Keywords: Piezoelectric, inkjet, printing

Abstract:

Piezoelectric inkjet printing is proving to be a powerful method for the rapid preparation of functional thin films. A number of important parameters must be considered in order to reach the potential of this method. These factors include the fluid parameters of the ink and methods to stabilize the multiple components therein to achieve a jettable fluid. We will present new work that details the use of the Dimatix Materials Printer (DMP) to directly deposit thin films of gold metal particle clusters onto the surface of non conductive substrates. The distribution of the nanoparticles within a printed, heterogeneous spot was characterized using TEM analysis and bright field microscopy. The electrocatalytic properties of the patterned spots (12 3 / spot for 1 pL drop vols.) were examined by scanning electrochemical microscopy (SCEM) to understand the lateral electron transport associated on or within the surface of a printed spot. These results highlight possible future applications for self assembled memory storage and electrocatalytic sensor arrays.
 
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