Polymethyl(1-Butyric acidyl)silane-Assisted Dispersion and Density Gradient Ultracentrifugation Separation of Single-Walled Carbon Nanotubes.

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Article in Nanomaterials (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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1citing papers in PubMed

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1 citing paper in PubMed.

Advancing Single-Walled Carbon Nanotubes toward Next-Generation Electronic Materials: The Critical Roles of Purity and Processability.Small methods · 2026
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5 · Who and what money

Authors and funding

3 authors.

Hongming LiuKey Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, China.

Qin ZhouKey Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, China.ORCID 0000-0002-0312-9446

Yongfu LianKey Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, China.ORCID 0000-0002-5217-514X

Funding

National Natural Science Foundation of China 51572071Program for Innovative Research Team in University, Ministry of Education, China. T-1237the earmarked fund for China Agriculture Research System CARS-170503

6 · The paper itself

Abstract

Individual single-walled carbon nanotubes (SWNTs) with distinct electronic types are crucial for the fabrication of SWNTs-based electronic and magnetic devices. Herein, the water-soluble polymethyl(1-butyric acidyl)silane (BA-PMS) was synthesized via the hydrosilylation reaction between 3-butenoic acid and polymethylsilane catalyzed by 2,2'-azodibutyronitrile. As a new dispersant, BA-PMS displayed a quite good dispersing capacity to arc-discharged SWNTs and moderate selectivity for metallic species. The application of sucrose-DGU, the density gradient ultracentrifugation with sucrose as the gradient medium, to the co-surfactants (BA-PMS and sodium dodecyl sulfonate) individually dispersed SWNTs yielded metallic SWNTs of 85.6% purity and semiconducting SWNTs of 99% purity, respectively. This work paves a path to the DGU separation of the SWNTs dispersed by polymer-based dispersants with hydrophobic alkyl chains.

Indexed as

density gradient ultracentrifugationdispersionpolymethyl(1–butyric acidyl)silane

Identifiers

PMID35745430

DOI10.3390/nano12122094

PMCPMC9227055

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LicenceCC BY

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