TY - JOUR
T1 - Polymer conformation-assisted wrapping of single-walled carbon nanotube
T2 - The impact of cis-vinylene linkage
AU - Yi, Wenhui
AU - Malkovskiy, Andrey
AU - Xu, Yongqian
AU - Wang, Xiao Qian
AU - Sokolov, Alexei P.
AU - Lebron-Colon, Marisabel
AU - Meador, Michael A.
AU - Pang, Yi
PY - 2010/1/21
Y1 - 2010/1/21
N2 - A soluble π-conjugated polymer cis-PmPV is found to be twice as effective as its trans-PmPV isomer in dispersing SWNTs into organic solvents. The improved efficiency is related to the specific conformation of cis-vinylene-enriched PmPV, which facilitates a planar π-π interaction with SWNT surface and leads to improved nanotube dispersion. 1H NMR spectra indicate that the cis-CH{double bond, long}CH bonds are partially converted to the trans-CH{double bond, long}CH, thereby providing necessary conformational cavity for SWNT wrapping. Irradiation triggers a precipitation from SWNT dispersion, providing a purified SWNT/conjugated polymer composite.
AB - A soluble π-conjugated polymer cis-PmPV is found to be twice as effective as its trans-PmPV isomer in dispersing SWNTs into organic solvents. The improved efficiency is related to the specific conformation of cis-vinylene-enriched PmPV, which facilitates a planar π-π interaction with SWNT surface and leads to improved nanotube dispersion. 1H NMR spectra indicate that the cis-CH{double bond, long}CH bonds are partially converted to the trans-CH{double bond, long}CH, thereby providing necessary conformational cavity for SWNT wrapping. Irradiation triggers a precipitation from SWNT dispersion, providing a purified SWNT/conjugated polymer composite.
KW - Carbon nanotube
KW - Conjugated polymer
KW - Fluorescence
UR - http://www.scopus.com/inward/record.url?scp=73949156345&partnerID=8YFLogxK
U2 - 10.1016/j.polymer.2009.11.052
DO - 10.1016/j.polymer.2009.11.052
M3 - Article
AN - SCOPUS:73949156345
SN - 0032-3861
VL - 51
SP - 475
EP - 481
JO - Polymer
JF - Polymer
IS - 2
ER -