Published July 27, 2023
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Understanding the Raman enhancement of carbon nanohorns labelled with organic dyes.

Creators

  • 1. Facultad de Ciencias y Tecnologías Químicas, Universidad de Castilla-La Mancha (UCLM), 13071 Ciudad Real, Spain. Mariaantonia.herrero@uclm.es.
  • 2. Instituto Regional de investigación Científica Aplicada (IRICA), 13071 Ciudad Real, Spain.
  • 3. Instituto de Ciencia de Materiales de Madrid, CSIC Cantoblanco, 28049, Madrid, Spain.
  • 4. Spanish National Research Council
  • 5. Department of Physical Chemistry, University of Malaga, Campus de Teatinos s/n, Malaga 29071, Spain.

Description

Carbon nanohorns have been non-covalently functionalized with two different benzothiadiazoloquinoxalines prepared via Stille cross-coupling reactions under solvent-free conditions and microwave irradiation. The close interactions between these organic molecules and the nanostructures resulted in a prominent Raman enhancement, which makes them attractive candidates for multiple applications. A complete experimental physico-chemical characterization has been combined with in silico studies to understand these phenomena. The processability of the hybrids was exploited to prepare homogeneous films on substrates with different natures.
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