Conductivity Enhancement of Transparent 2D Carbon Nanotube Networks Occurs by Resistance Reduction in All Junctions

Avigail Stern; Suzanna Azoubel; Ela Sachyani; Gideon I. Livshits; Dvir Rotem; Shlomo Magdassi; Danny Porath

doi:10.1021/acs.jpcc.8b01215

Conductivity Enhancement of Transparent 2D Carbon Nanotube Networks Occurs by Resistance Reduction in All Junctions

Avigail Stern, Suzanna Azoubel, Ela Sachyani, Gideon I. Livshits, Dvir Rotem, Shlomo Magdassi^*, Danny Porath

^*Corresponding author for this work

Institute of Chemistry

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

Transparent conductive networks are important for flexible electronics and solar cells. Often interwire (junction) conductivity is the limiting factor for network conductivity and can be improved by various treatments. The conductivity of individual junctions in a single walled carbon nanotube network was measured by conductive atomic force microscopy before and after exposure to nitric acid. The measurements show that this exposure improves the conductivity of each one of the junctions within the network. Our results suggest that the acid improves the conductivity by p-type charge transfer doping and by surfactant degradation.

Original language	English
Pages (from-to)	14872-14876
Number of pages	5
Journal	Journal of Physical Chemistry C
Volume	122
Issue number	26
DOIs	https://doi.org/10.1021/acs.jpcc.8b01215
State	Published - 5 Jul 2018

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© Copyright 2018 American Chemical Society.

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AU - Rotem, Dvir

AU - Magdassi, Shlomo

AU - Porath, Danny

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Conductivity Enhancement of Transparent 2D Carbon Nanotube Networks Occurs by Resistance Reduction in All Junctions

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