Next Article in Journal
In-Situ Growth and Characterization of Indium Tin Oxide Nanocrystal Rods
Next Article in Special Issue
Flexible n-Type Tungsten Carbide/Polylactic Acid Thermoelectric Composites Fabricated by Additive Manufacturing
Previous Article in Journal
Microstructure and Mechanical Properties of TaN Thin Films Prepared by Reactive Magnetron Sputtering
Article Menu
Issue 12 (December) cover image

Export Article

Open AccessArticle

Flexible Thermoelectric Composite Films of Polypyrrole Nanotubes Coated Paper

School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 201418, China
CSIRO Manufacturing, Private Bag 10, Clayton South, VIC 3169, Australia
Authors to whom correspondence should be addressed.
Academic Editor: Norbert M. Nemes
Coatings 2017, 7(12), 211;
Received: 16 October 2017 / Revised: 12 November 2017 / Accepted: 13 November 2017 / Published: 24 November 2017
(This article belongs to the Special Issue Novel Thin Film Materials for Thermoelectric Applications)
PDF [2410 KB, uploaded 24 November 2017]


Flexible thermoelectric composite films of polypyrrole (PPy) nanotubes coated paper were fabricated by an in-situ polymerization procedure using methyl orange as a template and paper as the substrate for the first time. Both the electrical conductivity and Seebeck coefficient of the polypyrrole nanotubes coated paper composite films have been enhanced (from ~0.048 S/cm to ~0.068 S/cm and from ~5.34 μV/K to ~8.21 μV/K for the average value for three measurements, respectively) as the temperature increased from ~300 K to ~370 K, which lead to the same trend of the power factor. The thermal conductivity of the polypyrrole nanotubes coated composite films was very low (~0.1275 W·m−1·K−1 at ~300 K), and a highest ZT (material’s dimensionless figure of merit (S2σT/κ)) value of 3.2 × 10−7 was obtained at ~370 K. View Full-Text
Keywords: PPy nanotubes; coating; flexible; thermoelectric properties PPy nanotubes; coating; flexible; thermoelectric properties

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

Share & Cite This Article

MDPI and ACS Style

Li, J.; Du, Y.; Jia, R.; Xu, J.; Shen, S.Z. Flexible Thermoelectric Composite Films of Polypyrrole Nanotubes Coated Paper. Coatings 2017, 7, 211.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics



[Return to top]
Coatings EISSN 2079-6412 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top