Apparent Power Law Scaling of Variable Range Hopping Conduction in Carbonized Polymer Nanofibers
Journal article, 2016

We induce dramatic changes in the structure of conducting polymer nanofibers by carbonization at 800 degrees C and compare charge transport properties between carbonized and pristine nanofibers. Despite the profound structural differences, both types of systems display power law dependence of current with voltage and temperature, and all measurements can be scaled into a single universal curve. We analyze our experimental data in the framework of variable range hopping and argue that this mechanism can explain transport properties of pristine polymer nanofibers as well.

Author

Kyung Ho Kim

Seoul National University

Samuel Lara Avila

Chalmers, Microtechnology and Nanoscience (MC2), Quantum Device Physics

H. Kang

Seoul National University

Hans He

Chalmers, Microtechnology and Nanoscience (MC2), Quantum Device Physics

Johnas Eklöf

Chalmers, Chemistry and Chemical Engineering, Applied Chemistry, Polymer Technology

S. J. Hong

Seoul National University

M. Park

Seoul National University

Kasper Moth-Poulsen

Chalmers, Chemistry and Chemical Engineering, Applied Chemistry, Polymer Technology

S. Matsushita

Kyoto University

K. Akagi

Kyoto University

Sergey Kubatkin

Chalmers, Microtechnology and Nanoscience (MC2), Quantum Device Physics

YungWoo Park

Seoul National University

Scientific Reports

2045-2322 (ISSN)

Vol. 6 37783

Areas of Advance

Nanoscience and Nanotechnology (2010-2017)

Subject Categories

Polymer Technologies

Infrastructure

Chalmers Materials Analysis Laboratory

Nanofabrication Laboratory

DOI

10.1038/srep37783

More information

Latest update

5/17/2018