Solvent-Exfoliated Hexagonal Boron Nitride Nanoflakes for Quantum Emitters

Chen, Y; Westerhausen, MT; Li, C; White, S; Bradac, C; Bendavid, A; Toth, M; Aharonovich, I; Tran, TT

Solvent-Exfoliated Hexagonal Boron Nitride Nanoflakes for Quantum Emitters

Chen, Y Westerhausen, MT Li, C White, S Bradac, C

Bendavid, A Toth, M

Aharonovich, I

Tran, TT

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Publisher:: American Chemical Society
Publication Type:: Journal Article
Citation:: ACS Applied Nano Material, 2021, 4, (10), pp. 10449-10457
Issue Date:: 2021-10-22

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Field	Value	Language
dc.contributor.author	Chen, Y
dc.contributor.author	Westerhausen, MT
dc.contributor.author	Li, C
dc.contributor.author	White, S
dc.contributor.author	Bradac, C https://orcid.org/0000-0002-6673-7238
dc.contributor.author	Bendavid, A
dc.contributor.author	Toth, M https://orcid.org/0000-0003-1564-4899
dc.contributor.author	Aharonovich, I https://orcid.org/0000-0003-4304-3935
dc.contributor.author	Tran, TT
dc.date.accessioned	2022-01-18T02:48:47Z
dc.date.available	2022-01-18T02:48:47Z
dc.date.issued	2021-10-22
dc.identifier.citation	ACS Applied Nano Material, 2021, 4, (10), pp. 10449-10457
dc.identifier.issn	2574-0970
dc.identifier.issn	2574-0970
dc.identifier.uri	http://hdl.handle.net/10453/153264
dc.description.abstract	Quantum emitters in hexagonal boron nitride (hBN) flakes have recently emerged as a promising platform for nanophotonic and quantum applications. The solvent-exfoliation process of these flakes has, however, remained largely unexplored. In this work, we demonstrate a surfactant-assisted exfoliation technique in an aqueous solution to exfoliate a variety of commercially available hBN powders into hBN nanoflakes. We show that the selection of hBN powder greatly impacts the optical properties of the resultant quantum emitters embedded in exfoliated hBN nanoflakes. We find that the sample with the best optical performance also shows the lowest impurity levels in its starting hBN powder. Our study provides further insight into quantum emitter fabrication in hBN and tailoring of their optical properties.
dc.language	en
dc.publisher	American Chemical Society
dc.relation	http://purl.org/au-research/grants/arc/DP180100077
dc.relation	http://purl.org/au-research/grants/arc/DP190101058
dc.relation	http://purl.org/au-research/grants/arc/CE200100010
dc.relation.ispartof	ACS Applied Nano Material
dc.relation.isbasedon	10.1021/acsanm.1c01974
dc.rights	info:eu-repo/semantics/closedAccess
dc.title	Solvent-Exfoliated Hexagonal Boron Nitride Nanoflakes for Quantum Emitters
dc.type	Journal Article
utslib.citation.volume	4
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Science
pubs.organisational-group	/University of Technology Sydney/Strength - MTEE - Research Centre Materials and Technology for Energy Efficiency
pubs.organisational-group	/University of Technology Sydney/Faculty of Science/School of Mathematical and Physical Sciences
utslib.copyright.status	closed_access	*
pubs.consider-herdc	false
dc.date.updated	2022-01-18T02:48:43Z
pubs.issue	10
pubs.publication-status	Published
pubs.volume	4
utslib.citation.issue	10

Abstract:

Quantum emitters in hexagonal boron nitride (hBN) flakes have recently emerged as a promising platform for nanophotonic and quantum applications. The solvent-exfoliation process of these flakes has, however, remained largely unexplored. In this work, we demonstrate a surfactant-assisted exfoliation technique in an aqueous solution to exfoliate a variety of commercially available hBN powders into hBN nanoflakes. We show that the selection of hBN powder greatly impacts the optical properties of the resultant quantum emitters embedded in exfoliated hBN nanoflakes. We find that the sample with the best optical performance also shows the lowest impurity levels in its starting hBN powder. Our study provides further insight into quantum emitter fabrication in hBN and tailoring of their optical properties.

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http://hdl.handle.net/10453/153264