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Optics and Spectroscopy, 2023, Volume 131, Issue 1, Pages 111–115
DOI: https://doi.org/10.21883/OS.2023.01.54547.4365-22 (Mi os1278) 		 
Nanophotonics

Oxygen defects in single-wall carbon nanotubes for near-infrared light emitters

T. V. Eremina, V. A. Ereminaa, E. D. Obraztsovaab

a Prokhorov General Physics Institute of the Russian Academy of Sciences, 119991 Moscow, Russia
b Moscow Institute of Physics and Technology (National Research University), Dolgoprudny, Moscow Region
Full-text PDF (183 kB)
DOI: https://doi.org/10.21883/OS.2023.01.54547.4365-22
Abstract: A new peak with an increased intensity was observed in the photoluminescence (PL) spectra of single-walled carbon nanotubes (SWCNTs), exposed to UV irradiation in the presence of sodium hypochlorite. It was concluded on the basis of the spectroscopic data that the new PL peak is associated with oxygen defects in the SWCNT structure. The impact of environmental acidity on the optical properties of oxygen-doped SWCNTs (O-SWNTs) was investigated. An increased sensitivity of the new PL peak to the pH of the medium was observed. It was concluded that the usage of a pH-neutral medium is of crucial importance for the creation of IR light sources based on O-SWNTs.
Keywords: single-walled carbon nanotubes, photoluminescence, localized exciton, acidity, infrared light emitters.
Funding agency Grant number
Russian Foundation for Basic Research 21-32-70012
Russian Science Foundation 21-72-20050
This study was supported financially by the Russian Foundation for Basic Research and the Government of Moscow as part of the scientific project № 21-32-70012. The study using the Raman method was supported financially by the Russian Science Foundation as part of the project № 21-72-20050.
Received: 03.12.2022
Revised: 03.12.2022
Accepted: 19.12.2022
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: T. V. Eremin, V. A. Eremina, E. D. Obraztsova, “Oxygen defects in single-wall carbon nanotubes for near-infrared light emitters”, Optics and Spectroscopy, 131:1 (2023), 111–115
Citation in format AMSBIB
\Bibitem{EreEreObr23}
\by T.~V.~Eremin, V.~A.~Eremina, E.~D.~Obraztsova
\paper Oxygen defects in single-wall carbon nanotubes for near-infrared light emitters
\jour Optics and Spectroscopy
\yr 2023
\vol 131
\issue 1
\pages 111--115
\mathnet{http://mi.mathnet.ru/os1278}
\crossref{https://doi.org/10.21883/OS.2023.01.54547.4365-22}
\elib{https://elibrary.ru/item.asp?id=50321171}
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