A hybrid enrichment process combining conjugated polymer extraction and silica gel adsorption for high purity semiconducting single-walled carbon nanotubes (SWCNT)

From National Research Council Canada

DOIResolve DOI: https://doi.org/10.1039/C5NR04851F
AuthorSearch for: 1; Search for: 1; Search for: 1; Search for: 1; Search for: 1; Search for: 1; Search for: ; Search for:
Name affiliation
  1. National Research Council of Canada. Security and Disruptive Technologies
FormatText, Article
Journal titleNanoscale
ISSN2040-3364
Volume7
Pages15741–15747
Abstract
A novel purification process for the enrichment of sc-SWCNTs that combines selective conjugated polymer extraction (CPE) with selective adsorption using silica gel, termed hybrid-CPE (h-CPE), has been developed, providing a high purity sc-SWCNT material with a significant improvement in process efficiency and yield. Using the h-CPE protocol, a greater than 5 fold improvement in yield can be obtained compared to traditional CPE while obtaining sc-SWCNT with a purity >99.9% as assessed by absorption spectroscopy and Raman mapping. Thin film transistor devices using the h-CPE derived sc-SWCNTs as the semiconductor possess mobility values ranging from 10–30 cm2 V−1 s−1 and current ON/OFF ratio of 104–105 for channel lengths between 2.5 and 20 μm.
Publication date
LanguageEnglish
Peer reviewedYes
NPARC number21276379
Export citationExport as RIS
Report a correctionReport a correction
Record identifierd7a64ad2-04c0-4a1e-b934-b13c026812ee
Record created2015-10-07
Record modified2020-04-22
Report a problem on this page
Date modified: