期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 24, 期 72, 页码 19162-19165出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201805342
关键词
doping; imine bonds; nanotechnology; nanotubes; photoluminescence; single-walled carbon nanotubes
资金
- Japan Association for Chemical Innovation (JACI)
- Konica Minolta Imaging Science Encouragement Award from the Konica Minolta Science and Technology Foundation
- Faculty of Engineering of Kyushu University
- JSPS KAKENHI [JP17K17934, JP16H02083]
- Ministry of Education, Culture, Sports, Science and Technology, Japan
Local chemical functionalization is used for defect doping of single-walled carbon nanotubes (SWNTs), to develop near-infrared photoluminescence (NIR PL) properties. We report the multistep wavelength shifting of the NIR PL of SWNTs through chemical reactions at local doped sites tethered to an arylaldehyde group. The PL wavelength of the doped SWNTs is modulated based on imine chemistry. This involves the imine formation of aldehyde groups with added arylamines, imine dissociation reaction, exchange reaction of bound arylamines in the imine, and the Kabachnik-Fields reaction of imine groups using diisopropyl phosphite. Using doped sites as a localized chemical reaction platform can exploit the versatile molecularly driven functionality of carbon nanotubes and related nanomaterials.
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