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Electronic interactions between "pea" and "pod": the case of oligothiophenes encapsulated in carbon nanotubes.

One of the most challenging strategies to achieve tunable nanophotonic devices is to build robust nanohybrids with variable emission in the visible spectral range, while keeping the merits of pristine single-walled carbon nanotubes (SWNTs). This goal is realized by filling SWNTs ("pods") with a seri... Full description

Journal Title: Small (Weinheim an der Bergstrasse Germany), July 4, 2011, Vol.7(13), pp.1807-1815
Main Author: Gao, Jia
Other Authors: Blondeau, Pascal , Salice, Patrizio , Menna, Enzo , Bártová, Barbora , Hébert, Cécile , Leschner, Jens , Kaiser, Ute , Milko, Matus , Ambrosch-Draxl, Claudia , Loi, Maria Antonietta
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: E-ISSN: 1613-6829 ; DOI: 1613-6829 ; DOI: 10.1002/smll.201100319
Link: http://search.proquest.com/docview/874296358/?pq-origsite=primo
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title: Electronic interactions between "pea" and "pod": the case of oligothiophenes encapsulated in carbon nanotubes.
format: Article
creator:
  • Gao, Jia
  • Blondeau, Pascal
  • Salice, Patrizio
  • Menna, Enzo
  • Bártová, Barbora
  • Hébert, Cécile
  • Leschner, Jens
  • Kaiser, Ute
  • Milko, Matus
  • Ambrosch-Draxl, Claudia
  • Loi, Maria Antonietta
subjects:
  • Microscopy, Electron, Scanning–Chemistry
  • Nanotubes, Carbon–Methods
  • Particle Size–Chemistry
  • Spectrum Analysis, Raman–Chemistry
  • Thiophenes–Chemistry
  • Nanotubes, Carbon
  • Thiophenes
ispartof: Small (Weinheim an der Bergstrasse, Germany), July 4, 2011, Vol.7(13), pp.1807-1815
description: One of the most challenging strategies to achieve tunable nanophotonic devices is to build robust nanohybrids with variable emission in the visible spectral range, while keeping the merits of pristine single-walled carbon nanotubes (SWNTs). This goal is realized by filling SWNTs ("pods") with a series of oligothiophene molecules ("peas"). The physical properties of these peapods are depicted by using aberration-corrected high-resolution transmission electron microscopy, Raman spectroscopy, and other optical methods including steady-state and time-resolved measurements. Visible photoluminescence with quantum yields up to 30% is observed for all the hybrids. The underlying electronic structure is investigated by density functional theory calculations for a series of peapods with different molecular lengths and tube diameters, which demonstrate that van der Waals interactions are the bonding mechanism between the encapsulated molecule and the tube.
language: eng
source:
identifier: E-ISSN: 1613-6829 ; DOI: 1613-6829 ; DOI: 10.1002/smll.201100319
fulltext: fulltext
issn:
  • 16136829
  • 1613-6829
url: Link


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titleElectronic interactions between "pea" and "pod": the case of oligothiophenes encapsulated in carbon nanotubes.
creatorGao, Jia ; Blondeau, Pascal ; Salice, Patrizio ; Menna, Enzo ; Bártová, Barbora ; Hébert, Cécile ; Leschner, Jens ; Kaiser, Ute ; Milko, Matus ; Ambrosch-Draxl, Claudia ; Loi, Maria Antonietta
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descriptionOne of the most challenging strategies to achieve tunable nanophotonic devices is to build robust nanohybrids with variable emission in the visible spectral range, while keeping the merits of pristine single-walled carbon nanotubes (SWNTs). This goal is realized by filling SWNTs ("pods") with a series of oligothiophene molecules ("peas"). The physical properties of these peapods are depicted by using aberration-corrected high-resolution transmission electron microscopy, Raman spectroscopy, and other optical methods including steady-state and time-resolved measurements. Visible photoluminescence with quantum yields up to 30% is observed for all the hybrids. The underlying electronic structure is investigated by density functional theory calculations for a series of peapods with different molecular lengths and tube diameters, which demonstrate that van der Waals interactions are the bonding mechanism between the encapsulated molecule and the tube.
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