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Article: Two-Photon Excitation of Silicon-Vacancy Centers in Nanodiamonds for All-Optical Thermometry with a Noise Floor of 6.6 mK·Hz-1/2

TitleTwo-Photon Excitation of Silicon-Vacancy Centers in Nanodiamonds for All-Optical Thermometry with a Noise Floor of 6.6 mK·Hz-1/2
Authors
Issue Date16-Feb-2023
PublisherAmerican Chemical Society
Citation
Journal of Physical Chemistry C, 2023, v. 127, n. 6, p. 3013-3019 How to Cite?
AbstractIn this paper, we introduce ultrasensitive all-optical nanothermometry using high figure-of-merit nanodiamonds with silicon-vacancy (SiV) centers. In contrast to the commonly used single-photon process, we have adopted a two-photon approach to achieve efficient excitation of SiV centers in nanodiamonds. Based on the developed intensity-projected scheme, we have experimentally achieved a noise floor of 6.6 mK·Hz-1/2 using nanodiamonds. This serves as a new record of temperature resolution in the relevant field. Particularly, this simplified method allows us to reflect the temperature-induced spectral shift without wavelength scanning via a spectrometer. Furthermore, we demonstrate that the two-photon excitation of SiV centers has been thermally activated, as indicated by an elevated fluorescence intensity accompanied by a temperature increase. Our findings offer an opportunity for harnessing SiV-based nanothermometry in an easy-to-use manner and open the road for the development of practical applications in complicated environments such as living cells.
Persistent Identifierhttp://hdl.handle.net/10722/338744
ISSN
2023 Impact Factor: 3.3
2023 SCImago Journal Rankings: 0.957
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorZhang, J-
dc.contributor.authorHe, H-
dc.contributor.authorZhang, T-
dc.contributor.authorWang, L-
dc.contributor.authorGupta, M-
dc.contributor.authorJing, J-
dc.contributor.authorWang, Z-
dc.contributor.authorWang, Q-
dc.contributor.authorLi, KH-
dc.contributor.authorWong, KKY-
dc.contributor.authorChu, Z-
dc.date.accessioned2024-03-11T10:31:13Z-
dc.date.available2024-03-11T10:31:13Z-
dc.date.issued2023-02-16-
dc.identifier.citationJournal of Physical Chemistry C, 2023, v. 127, n. 6, p. 3013-3019-
dc.identifier.issn1932-7447-
dc.identifier.urihttp://hdl.handle.net/10722/338744-
dc.description.abstractIn this paper, we introduce ultrasensitive all-optical nanothermometry using high figure-of-merit nanodiamonds with silicon-vacancy (SiV) centers. In contrast to the commonly used single-photon process, we have adopted a two-photon approach to achieve efficient excitation of SiV centers in nanodiamonds. Based on the developed intensity-projected scheme, we have experimentally achieved a noise floor of 6.6 mK·Hz-1/2 using nanodiamonds. This serves as a new record of temperature resolution in the relevant field. Particularly, this simplified method allows us to reflect the temperature-induced spectral shift without wavelength scanning via a spectrometer. Furthermore, we demonstrate that the two-photon excitation of SiV centers has been thermally activated, as indicated by an elevated fluorescence intensity accompanied by a temperature increase. Our findings offer an opportunity for harnessing SiV-based nanothermometry in an easy-to-use manner and open the road for the development of practical applications in complicated environments such as living cells.-
dc.languageeng-
dc.publisherAmerican Chemical Society-
dc.relation.ispartofJournal of Physical Chemistry C-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.titleTwo-Photon Excitation of Silicon-Vacancy Centers in Nanodiamonds for All-Optical Thermometry with a Noise Floor of 6.6 mK·Hz-1/2-
dc.typeArticle-
dc.identifier.doi10.1021/acs.jpcc.2c06966-
dc.identifier.scopuseid_2-s2.0-85147274020-
dc.identifier.volume127-
dc.identifier.issue6-
dc.identifier.spage3013-
dc.identifier.epage3019-
dc.identifier.eissn1932-7455-
dc.identifier.isiWOS:000934868200001-
dc.identifier.issnl1932-7447-

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