Chromophore Ordering by Confinement into Carbon Nanotubes

被引：39
作者：
Almadori, Y. [1 ,2 ]
Alvarez, L. [1 ,2 ]
Le Parc, R. [1 ,2 ]
Aznar, R. [1 ,2 ]
Fossard, F. [3 ]
Loiseau, A. [3 ]
Jousselme, B. [4 ]
Campidelli, S. [4 ]
Hermet, P. [5 ]
Belhboub, A. [1 ,2 ,6 ]
Rahmani, A. [6 ]
Saito, T. [7 ]
Bantignies, J. -L. [1 ,2 ]
机构：
[1] Univ Montpellier 2, Lab Charles Coulomb, UMR 5521, F-34095 Montpellier, France
[2] CNRS, Lab Charles Coulomb, UMR 5521, F-34095 Montpellier, France
[3] Off Natl Etud & Rech Aerosp, CNRS, Lab Etud Microstruct, F-92322 Chatillon, France
[4] CEA Saclay, IRAMIS, LICSEN, NIMBE, F-91191 Gif Sur Yvette, France
[5] Univ Montpellier 2, UMR 5253, Inst Charles Gerhardt Montpellier, CNRS,ENSCM,UM1, F-34095 Montpellier, France
[6] Univ Moulay Ismail, Unite Associee, Lab Phys Mat & Modelisat Syst, Fac Sci,CNRS,URAC08, Zitoune 50000, Meknes, Morocco
[7] Natl Inst Adv Ind Sci & Technol, Nanotube Res Ctr, Tsukuba, Ibaraki 3058565, Japan
来源：
JOURNAL OF PHYSICAL CHEMISTRY C | 2014年 / 118卷 / 33期
关键词：
RESONANCE RAMAN-SPECTROSCOPY; RADIAL-BREATHING MODE; BETA-CAROTENE; MOLECULES; ENCAPSULATION; TRANSITION; DEPENDENCE; FULLERENE; OLIGOMERS; SPECTRUM;
D O I：
10.1021/jp505804d
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We report an experimental study on the confinement of oligothiophene derivatives into single-walled carbon nanotubes over a large range of diameter (from 0.68 to 1.93 nm). We evidence by means of Raman spectroscopy and transmission electron microscopy that the supramolecular organizations of the confined oligothiophenes depend on the nanocontainer size. The Raman radial breathing mode frequency is shown to be monitored by both the number of confined molecules into a nanotube section and the competition between oligothiophene/ oligothiophene and oligothiophene/tube wall interactions. We finally propose simple Raman criteria to characterize oligothiophene supramolecular organization at the nanoscale.
引用
收藏
页码：19462 / 19468
页数：7
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