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research-article

Electrohydrodynamic Casting Bismuth Telluride Micro Particle Loaded Carbon Nanofiber Composite Material with Multiple Sensing Functions

[+] Author and Article Information
Yong X. Gan

Department of Mechanical Engineering, California State Polytechnic University Pomona, 3801 W Temple Avenue, Pomona, CA 91768
yxgan@cpp.edu

Ann D. Chen

Department of Mechanical Engineering, California State Polytechnic University Pomona, 3801 W Temple Avenue, Pomona, CA 91768
ashdoris522@gmail.com

Jeremy Gan

Diamond Bar High School, 21400 Pathfinder Road, Diamond Bar, CA 91765
jeremygan49@yahoo.com

Kevin R. Anderson

Department of Mechanical Engineering, California State Polytechnic University Pomona, 3801 W Temple Avenue, Pomona, CA 91768
kranderson1@cpp.edu

1Corresponding author.

ASME doi:10.1115/1.4038432 History: Received July 19, 2017; Revised October 30, 2017

Abstract

In this work, an electrohydrodynamic casting approach was used to manufacture a carbon nanofiber composite material containing bismuth telluride (Bi2Te3) particles. A 10% polyacrylonitrile (PAN) polymer solution was taken as the precursor to generate nanofibers. Bismuth telluride micro particles were added into the polymer solution. The particle-containing solution was electrohydrodynamically cast onto a substrate to form a PAN-based nanofiber composite mat. High temperature heat treatment on the polymeric matrix composite mat in hydrogen atmosphere resulted in the formation of a micro particle loaded carbon nanofiber composite material. Scanning electron microscopic (SEM) analysis was conducted to observe the morphology and reveal the composition of the composite material. Energy conversion functions in view of converting heat into electricity, electromagnetic wave energy into heat, and photon energy into electricity were shown. Strong Seebeck effect, hyperthermia and photovoltaics of the composite mat were found. In addition, the potential applications as sensors were discussed.

Copyright (c) 2017 by ASME
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