Microwave-assisted functionalization of carbon nanohorns with oligothiophene units with SERS activity

Carbon nanohorns have been functionalized with oligothiophene units via the 1,3-dipolar cycloaddition reaction under microwave irradiation and solvent-free conditions. A dramatic Raman enhancement was found for one of the synthesized derivatives. Experimental and in silico studies helped to understa...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2020-08, Vol.56 (63), p.8948-8951
Main Authors: Iglesias, Daniel, Guerra, Javier, Lucío, María Isabel, González-Cano, Rafael C, López Navarrete, Juan T, Ruiz Delgado, M. Carmen, Vázquez, Ester, Herrero, M. Antonia
Format: Article
Language:English
Subjects:
Carbon
Cycloaddition
Electromagnetic fields
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Summary:Carbon nanohorns have been functionalized with oligothiophene units via the 1,3-dipolar cycloaddition reaction under microwave irradiation and solvent-free conditions. A dramatic Raman enhancement was found for one of the synthesized derivatives. Experimental and in silico studies helped to understand the enhancement, attributed to the modification of electromagnetic fields upon functionalization at the tip of the nanostructures. An intense Raman enhancement was observed in carbon nanohorns decorated with oligothiophene units, making them suitable for future application in bio-imaging.
ISSN:1359-7345
1364-548X
DOI:10.1039/d0cc03496g