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Optical tracking of multi-walled carbon nanotubes by attaching functionalized quantum dots

  • Dominic R. Frutiger*
  • , Lixin Dong
  • , Bradley J. Nelson*
  • *Corresponding author for this work

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

Abstract

Functionalized quantum dots have been successfully attached to multi-walled carbon nanotubes over carbodiimide-assisted coupling. Characterization in a transmission electron microscope shows the quantum dots are attached mainly at the opened tips and defect sites on the side-walls of nanotubes, suggesting the covalent nature of the bonding and high selectivity to chemically reactive sites. Due to their unique fluorescent properties, the visibility of the nanometer-sized quantum dots under an optical microscope creates the possibility of tracking the motion or morphology change of individual decorated nanotubes in a liquid environment and identifying possible sites for covalent attachment. This enables the handling, tracking, and integration of carbon nanotubes with other nanoparticles for building Nano/Micro Engineered and Molecular Systems.
Original languageEnglish
Title of host publicationProceedings of the 1st IEEE International Conference on Nano Micro Engineered and Molecular Systems
PublisherIEEE
Pages1179-1184
ISBN (Print)1-4244-0139-9
DOIs
Publication statusPublished - Jan 2006
Externally publishedYes
Event1st IEEE International Conference on Nano Micro Engineered and Molecular Systems, 1st IEEE-NEMS - Zhuhai, China
Duration: 18 Jan 200621 Jan 2006

Publication series

NameProceedings of 1st IEEE International Conference on Nano Micro Engineered and Molecular Systems, 1st IEEE-NEMS

Conference

Conference1st IEEE International Conference on Nano Micro Engineered and Molecular Systems, 1st IEEE-NEMS
PlaceChina
CityZhuhai
Period18/01/0621/01/06

Research Keywords

  • Carbon nanotube
  • Covalent attachment
  • Nanocrystal
  • NEMS
  • Optical tracking
  • Quantum dot
  • Telescoping
  • Transducer: Nanorobotics

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