| Autor: |
Ding J; Security and Disruptive Technologies Portfolio, National Research Council Canada, 1200 Montreal Road, M-12, Ottawa, Ontario K1A 0R6, Canada. Jianfu.ding@nrc-cnrc.gc.ca., Li Z, Lefebvre J, Cheng F, Dunford JL, Malenfant PR, Humes J, Kroeger J |
| Jazyk: |
angličtina |
| Zdroj: |
Nanoscale [Nanoscale] 2015 Oct 14; Vol. 7 (38), pp. 15741-7. Date of Electronic Publication: 2015 Sep 09. |
| DOI: |
10.1039/c5nr04851f |
| Abstrakt: |
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 cm(2) V(-1) s(-1) and current ON/OFF ratio of 10(4)-10(5) for channel lengths between 2.5 and 20 μm. |
| Databáze: |
MEDLINE |
| Externí odkaz: |
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