Dispersion of non-covalently functionalized single-walled carbon nanotubes with high aspect ratios using poly(2-dimethylaminoethyl methacrylate-co-styrene)

Single-walled carbon nanotubes (SWCNTs) with high aspect ratios were well dispersed in organic solvents to form stable suspensions using poly(2-dimethylaminoethyl methacrylate-co-styrene) (poly(DMAEMA-co-St)). The polymeric dispersant poly(DMAEMA-co-St) was synthesized in various compositions by ato...

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Bibliographic Details
Published inCarbon (New York) Vol. 72; pp. 57 - 65
Main Authors Kim, Bong-Soo, Kim, Donghyun, Kim, Keon-Woo, Lee, Taeheon, Kim, Sumin, Shin, Kwonwoo, Chun, Sangki, Han, Jong Hun, Lee, Young Sil, Paik, Hyun-jong
Format Journal Article
LanguageEnglish
Published Kidlington Elsevier Ltd 01.06.2014
Elsevier
Subjects
Carbon
Cross-disciplinary physics: materials science; rheology
Dispersions
Exact sciences and technology
Fullerenes and related materials; diamonds, graphite
High aspect ratio
Materials science
Nanoscale materials and structures: fabrication and characterization
Nanotubes
Physics
Polymerization
Scanning electron microscopy
Single wall carbon nanotubes
Specific materials
Stability analysis
Ultraviolet
Chemical modification
Singlewalled nanotube
Styrene
Hydrocarbons
Carbon nanotubes
Benzenic compound
Dispersions
Aspect ratio
Carbon
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Summary:Single-walled carbon nanotubes (SWCNTs) with high aspect ratios were well dispersed in organic solvents to form stable suspensions using poly(2-dimethylaminoethyl methacrylate-co-styrene) (poly(DMAEMA-co-St)). The polymeric dispersant poly(DMAEMA-co-St) was synthesized in various compositions by atom transfer radical polymerization. The structures and the compositions of the poly(DMAEMA-co-St) were confirmed by 1H NMR spectroscopy. The stability and dispersion of the functionalized SWCNTs with high aspect ratios in suspension were observed by dispersion stability analysis, transmission electron microscopy, scanning electron microscopy, and atomic force microscopy. The existence of unbundled SWCNTs was confirmed by Raman and ultraviolet/visible/near-infrared spectroscopy. Finally, SWCNT transparent conductive films with high transmittances and low sheet resistances were prepared on a poly(ethylene terephthalate) substrate using a spin-coating method.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
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ISSN:0008-6223
1873-3891
DOI:10.1016/j.carbon.2014.01.038