Convertible Green Luminescence Determined by Surface Band Bending in ZnO

Wang, Z; Wang, Z; Rahman, MA; Ton-That, C; Ling, FCC

Convertible Green Luminescence Determined by Surface Band Bending in ZnO

Wang, Z Wang, Z Rahman, MA Ton-That, C

Ling, FCC

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Publisher:: AMER CHEMICAL SOC
Publication Type:: Journal Article
Citation:: Journal of Physical Chemistry C, 2022, 126, (8), pp. 4082-4088
Issue Date:: 2022-01-01

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Field	Value	Language
dc.contributor.author	Wang, Z
dc.contributor.author	Wang, Z
dc.contributor.author	Rahman, MA
dc.contributor.author	Ton-That, C https://orcid.org/0000-0003-3276-1739
dc.contributor.author	Ling, FCC
dc.date.accessioned	2023-02-17T02:55:58Z
dc.date.available	2023-02-17T02:55:58Z
dc.date.issued	2022-01-01
dc.identifier.citation	Journal of Physical Chemistry C, 2022, 126, (8), pp. 4082-4088
dc.identifier.issn	1932-7447
dc.identifier.issn	1932-7455
dc.identifier.uri	http://hdl.handle.net/10453/166226
dc.description.abstract	Green luminescence (GL) of ZnO is a typical defect emission and an important research topic for defect-controlling engineering. Two kinds of spectral characteristics, namely, Gaussian GL (GGL) and fine-structure GL (FSGL), are designated from a variety of spectra. It is found that GGL and FSGL can be reversibly converted through surface modification techniques where the location of the recombination center, the surface state, or the degree of band bending is modified. This convertible feature proves that the carrier recombination could be precisely controlled by surface modification. On the other hand, the effect of surface treatment on defects has achieved an unambiguous understanding, which is beneficial to effectively improve the performance of ZnO devices.
dc.language	English
dc.publisher	AMER CHEMICAL SOC
dc.relation.ispartof	Journal of Physical Chemistry C
dc.relation.isbasedon	10.1021/acs.jpcc.1c10262
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	03 Chemical Sciences, 09 Engineering, 10 Technology
dc.subject.classification	Physical Chemistry
dc.title	Convertible Green Luminescence Determined by Surface Band Bending in ZnO
dc.type	Journal Article
utslib.citation.volume	126
utslib.for	03 Chemical Sciences
utslib.for	09 Engineering
utslib.for	10 Technology
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	2023-02-17T02:55:56Z
pubs.issue	8
pubs.publication-status	Published
pubs.volume	126
utslib.citation.issue	8

Abstract:

Green luminescence (GL) of ZnO is a typical defect emission and an important research topic for defect-controlling engineering. Two kinds of spectral characteristics, namely, Gaussian GL (GGL) and fine-structure GL (FSGL), are designated from a variety of spectra. It is found that GGL and FSGL can be reversibly converted through surface modification techniques where the location of the recombination center, the surface state, or the degree of band bending is modified. This convertible feature proves that the carrier recombination could be precisely controlled by surface modification. On the other hand, the effect of surface treatment on defects has achieved an unambiguous understanding, which is beneficial to effectively improve the performance of ZnO devices.

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http://hdl.handle.net/10453/166226