Polymer-Assisted Direct Deposition of Uniform Carbon Nanotube Bundle Networks for High Performance Transparent Electrodes

Sondra L. Hellstrom, Hang Woo Lee, Zhenan Bao

Research output: Contribution to journalArticlepeer-review

143 Scopus citations

Abstract

Flexible transparent electrodes are crucial for touch screen, flat panel display, and solar cell technologies. While carbon nanotube network electrodes show promise, characteristically poor dispersion properties have limited their practicality. We report that addition of small amounts of conjugated polymer to nanotube dispersions enables straightforward fabrication of uniform network electrodes by spin-coating and simultaneous tuning of parameters such as bundle size and density. After treatment in thionyl chloride, electrodes have sheet resistances competitive with other reported carbon nanotube based transparent electrodes to date. © 2009 American Chemical Society.
Original languageEnglish (US)
Pages (from-to)1423-1430
Number of pages8
JournalACS Nano
Volume3
Issue number6
DOIs
StatePublished - May 7 2009
Externally publishedYes

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