A bright future for engineering piezoelectric 2D crystals.

Sherrell, PC; Fronzi, M; Shepelin, NA; Corletto, A; Winkler, DA; Ford, M; Shapter, JG; Ellis, AV

A bright future for engineering piezoelectric 2D crystals.

Sherrell, PC Fronzi, M

Shepelin, NA Corletto, A Winkler, DA Ford, M

Shapter, JG Ellis, AV

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Publisher:: Royal Society of Chemistry
Publication Type:: Journal Article
Citation:: Chemical Society Reviews, 2022, 51, (2), pp. 1-22
Issue Date:: 2022-01-24

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Field	Value	Language
dc.contributor.author	Sherrell, PC
dc.contributor.author	Fronzi, M https://orcid.org/0000-0001-7855-9216
dc.contributor.author	Shepelin, NA
dc.contributor.author	Corletto, A
dc.contributor.author	Winkler, DA
dc.contributor.author	Ford, M https://orcid.org/0000-0002-8595-5900
dc.contributor.author	Shapter, JG
dc.contributor.author	Ellis, AV
dc.date.accessioned	2022-11-22T03:05:38Z
dc.date.available	2022-11-22T03:05:38Z
dc.date.issued	2022-01-24
dc.identifier.citation	Chemical Society Reviews, 2022, 51, (2), pp. 1-22
dc.identifier.issn	0306-0012
dc.identifier.issn	1460-4744
dc.identifier.uri	http://hdl.handle.net/10453/163647
dc.description.abstract	The piezoelectric effect, mechanical-to-electrical and electrical-to-mechanical energy conversion, is highly beneficial for functional and responsive electronic devices. To fully exploit this property, miniaturization of piezoelectric materials is the subject of intense research. Indeed, select atomically thin 2D materials strongly exhibit the piezoelectric effect. The family of 2D crystals consists of over 7000 chemically distinct members that can be further manipulated in terms of strain, functionalization, elemental substitution (i.e. Janus 2D crystals), and defect engineering to induce a piezoelectric response. Additionally, most 2D crystals can stack with other similar or dissimilar 2D crystals to form a much greater number of complex 2D heterostructures whose properties are quite different to those of the individual constituents. The unprecedented flexibility in tailoring 2D crystal properties, coupled with their minimal thickness, make these emerging highly attractive for advanced piezoelectric applications that include pressure sensing, piezocatalysis, piezotronics, and energy harvesting. This review summarizes literature on piezoelectricity, particularly out-of-plane piezoelectricity, in the vast family of 2D materials as well as their heterostructures. It also describes methods to induce, enhance, and control the piezoelectric properties. The volume of data and role of machine learning in predicting piezoelectricity is discussed in detail, and a prospective outlook on the 2D piezoelectric field is provided.
dc.format	Electronic
dc.language	eng
dc.publisher	Royal Society of Chemistry
dc.relation	http://purl.org/au-research/grants/arc/DP200101217
dc.relation.ispartof	Chemical Society Reviews
dc.relation.isbasedon	10.1039/d1cs00844g
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	03 Chemical Sciences
dc.subject.classification	General Chemistry
dc.subject.mesh	Electricity
dc.subject.mesh	Electronics
dc.subject.mesh	Prospective Studies
dc.subject.mesh	Electricity
dc.subject.mesh	Electronics
dc.subject.mesh	Prospective Studies
dc.subject.mesh	Prospective Studies
dc.subject.mesh	Electricity
dc.subject.mesh	Electronics
dc.title	A bright future for engineering piezoelectric 2D crystals.
dc.type	Journal Article
utslib.citation.volume	51
utslib.location.activity	England
utslib.for	03 Chemical Sciences
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Science
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	2022-11-22T03:05:36Z
pubs.issue	2
pubs.publication-status	Published
pubs.volume	51
utslib.citation.issue	2

Abstract:

The piezoelectric effect, mechanical-to-electrical and electrical-to-mechanical energy conversion, is highly beneficial for functional and responsive electronic devices. To fully exploit this property, miniaturization of piezoelectric materials is the subject of intense research. Indeed, select atomically thin 2D materials strongly exhibit the piezoelectric effect. The family of 2D crystals consists of over 7000 chemically distinct members that can be further manipulated in terms of strain, functionalization, elemental substitution (i.e. Janus 2D crystals), and defect engineering to induce a piezoelectric response. Additionally, most 2D crystals can stack with other similar or dissimilar 2D crystals to form a much greater number of complex 2D heterostructures whose properties are quite different to those of the individual constituents. The unprecedented flexibility in tailoring 2D crystal properties, coupled with their minimal thickness, make these emerging highly attractive for advanced piezoelectric applications that include pressure sensing, piezocatalysis, piezotronics, and energy harvesting. This review summarizes literature on piezoelectricity, particularly out-of-plane piezoelectricity, in the vast family of 2D materials as well as their heterostructures. It also describes methods to induce, enhance, and control the piezoelectric properties. The volume of data and role of machine learning in predicting piezoelectricity is discussed in detail, and a prospective outlook on the 2D piezoelectric field is provided.

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http://hdl.handle.net/10453/163647