4.6 Article

One-dimensional heterostructure: The selective decoration of single-walled carbon nanotube tins with metallic nanoparticles

Journal

MRS BULLETIN
Volume 47, Issue 7, Pages 675-679

Publisher

SPRINGER HEIDELBERG
DOI: 10.1557/s43577-022-00308-3

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Funding

  1. University of Trieste, Italian Ministry of Education MIUR [Notes20085M27SS]
  2. National Council of Science and Technology of Mexico [211359]

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A straightforward protocol is proposed to covalently bond gold nanoparticles exclusively at the tips of single-walled carbon nanotubes. The attachment of non-functionalized gold nanoparticles onto the main nanotube body is prevented by the steric hindrance provided by a polymer and surfactant. These novel heterostructures show promising potential for applications in photonics and electronic devices.
A straightforward protocol is presented to covalently bond gold nanoparticles exclusively at the tips of single-walled carbon nanotubes. This approach exploits the sterical hindrance given by a polymer and surfactant, preventing the attachment of no functionalized gold nanoparticles onto the main nanotube body. These novel heterostructures have promising potential for applications in photonics and electronic devices.

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