Formation of organic color centers in air-suspended carbon nanotubes using vapor-phase reaction.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
20 May 2022
20 May 2022
Historique:
received:
26
02
2021
accepted:
28
04
2022
entrez:
20
5
2022
pubmed:
21
5
2022
medline:
21
5
2022
Statut:
epublish
Résumé
Organic color centers in single-walled carbon nanotubes have demonstrated exceptional ability to generate single photons at room temperature in the telecom range. Combining the color centers with pristine air-suspended nanotubes would be desirable for improved performance, but all current synthetic methods occur in solution which makes them incompatible. Here we demonstrate the formation of color centers in air-suspended nanotubes using a vapor-phase reaction. Functionalization is directly verified by photoluminescence spectroscopy, with unambiguous statistics from more than a few thousand individual nanotubes. The color centers show strong diameter-dependent emission, which can be explained with a model for chemical reactivity considering strain along the tube curvature. We also estimate the defect density by comparing the experiments with simulations based on a one-dimensional exciton diffusion equation. Our results highlight the influence of the nanotube structure on vapor-phase reactivity and emission properties, providing guidelines for the development of high-performance near-infrared quantum light sources.
Identifiants
pubmed: 35595760
doi: 10.1038/s41467-022-30508-z
pii: 10.1038/s41467-022-30508-z
pmc: PMC9123200
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
2814Subventions
Organisme : MEXT | Japan Society for the Promotion of Science (JSPS)
ID : JP20K15112
Organisme : MEXT | Japan Society for the Promotion of Science (JSPS)
ID : JP18H05329, JP20H00220, JP20H02558, JP20K15137
Organisme : MEXT | JST | Core Research for Evolutional Science and Technology (CREST)
ID : CREST JPMJCR20B5
Informations de copyright
© 2022. The Author(s).
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