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Increased piezoelectric response in functional nanocomposites through multiwall carbon nanotube interface and fused-deposition modeling three-dimensional printing

Published online by Cambridge University Press:  08 November 2017

Hoejin Kim*
Affiliation:
The University of Texas at El Paso 500W, University Ave, El Paso, Texas 79968, USA
Fernando Torres
Affiliation:
The University of Texas at El Paso 500W, University Ave, El Paso, Texas 79968, USA
Md Tariqul Islam
Affiliation:
The University of Texas at El Paso 500W, University Ave, El Paso, Texas 79968, USA
Md Didarul Islam
Affiliation:
The University of Texas at El Paso 500W, University Ave, El Paso, Texas 79968, USA
Luis A. Chavez
Affiliation:
The University of Texas at El Paso 500W, University Ave, El Paso, Texas 79968, USA
Carlos A. Garcia Rosales
Affiliation:
The University of Texas at El Paso 500W, University Ave, El Paso, Texas 79968, USA
Bethany R. Wilburn
Affiliation:
The University of Texas at El Paso 500W, University Ave, El Paso, Texas 79968, USA
Calvin M. Stewart
Affiliation:
The University of Texas at El Paso 500W, University Ave, El Paso, Texas 79968, USA
Juan C. Noveron
Affiliation:
The University of Texas at El Paso 500W, University Ave, El Paso, Texas 79968, USA
Tzu-Liang B. Tseng
Affiliation:
The University of Texas at El Paso 500W, University Ave, El Paso, Texas 79968, USA
Yirong Lin
Affiliation:
The University of Texas at El Paso 500W, University Ave, El Paso, Texas 79968, USA
*
Address all correspondence to Hoejin Kim at hkim4@miners.utep.edu
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Abstract

Multiwall carbon nanotubes (MWCNTs) are utilized to resolve low coupling coefficient issue by dispersing MWCNTs in poly(vinylidene fluoride) matrix to create stress reinforcing network, dispersant, and electron conducting functions for barium titanate (BT) nanoparticles. Various BT and MWCNT percentages of nanocomposite film are fabricated by FDM three-dimensional (3D) printing which can simplify the fabrication process as well as lower cost and design flexibility. Increasing MWCNTs and BT particles gradually increase piezoelectric coefficient (d 31) by 0.13 pC/N with 0.4 wt%-MWCNTs/18 wt%-BT. These results provide not only a technique to print piezoelectric nanocomposites but also unique materials combination for sensor application.

Information

Type
Research Letters
Copyright
Copyright © Materials Research Society 2017 

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