Facile preparation of hydrophilic In<inf>2</inf>O<inf>3</inf>nanospheres and rods with improved performances for photocatalytic degradation of PFOA

Liu, X; Xu, B; Duan, X; Hao, Q; Wei, W; Wang, S; Ni, BJ

Facile preparation of hydrophilic In<inf>2</inf>O<inf>3</inf>nanospheres and rods with improved performances for photocatalytic degradation of PFOA

Liu, X Xu, B Duan, X Hao, Q

Wei, W

Wang, S Ni, BJ

Permalink

Publisher:: ROYAL SOC CHEMISTRY
Publication Type:: Journal Article
Citation:: Environmental Science: Nano, 2021, 8, (4), pp. 1010-1018
Issue Date:: 2021-04-01

Closed Access

	Filename	Description	Size
	d0en01216e.pdf	Published version	3.84 MB	Adobe PDF	View/Open

Copyright Clearance Process

Recently Added
In Progress
Closed Access

This item is closed access and not available.

Full metadata record

Field	Value	Language
dc.contributor.author	Liu, X
dc.contributor.author	Xu, B
dc.contributor.author	Duan, X
dc.contributor.author	Hao, Q https://orcid.org/0000-0001-9981-7499
dc.contributor.author	Wei, W https://orcid.org/0000-0001-5613-337X
dc.contributor.author	Wang, S
dc.contributor.author	Ni, BJ
dc.date.accessioned	2022-06-02T00:45:16Z
dc.date.available	2022-06-02T00:45:16Z
dc.date.issued	2021-04-01
dc.identifier.citation	Environmental Science: Nano, 2021, 8, (4), pp. 1010-1018
dc.identifier.issn	2051-8153
dc.identifier.issn	2051-8161
dc.identifier.uri	http://hdl.handle.net/10453/157873
dc.description.abstract	Perfluorooctanoic acid (PFOA, C7F15COOH) has raised global concerns because of its ubiquitous occurrence and resistance to most conventional water treatment techniques. In this work, we first used metal-organic framework (MOF) derived In2O3nanospheres (In2O3NS) and rods for photocatalytic degradation of PFOA under UV light irradiation. XRD was used to confirm the successful preparation of MOF-derived In2O3. SEM images show that In2O3NS and rods were obtained by the calcination of different indium (iii)-benzenedicarboxylate (In-BDC) MOFs. In2O3NS and rods demonstrated enhanced performances for photodegradation of PFOA compared with the commercial In2O3. The results show that PFOA was completely decomposed in 3 h, and its shorter-chain products were further mineralized in 6 h in the presence of In2O3NS under 254 nm UV light irradiation. MOF-derived In2O3is super-hydrophilic with a contact angle of ∼20° and possesses larger specific surface area, which facilitate the adsorption and tight coordination of PFOA with In2O3. Moreover, EIS Nyquist spectra show that the as-prepared In2O3NS and rods have higher efficiency in charge separation and migration compared with the commercial In2O3. All these properties contribute to the destruction of PFOA.
dc.language	English
dc.publisher	ROYAL SOC CHEMISTRY
dc.relation	http://purl.org/au-research/grants/arc/FT160100195
dc.relation.ispartof	Environmental Science: Nano
dc.relation.isbasedon	10.1039/d0en01216e
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0399 Other Chemical Sciences, 0907 Environmental Engineering, 1002 Environmental Biotechnology
dc.title	Facile preparation of hydrophilic In<inf>2</inf>O<inf>3</inf>nanospheres and rods with improved performances for photocatalytic degradation of PFOA
dc.type	Journal Article
utslib.citation.volume	8
utslib.for	0399 Other Chemical Sciences
utslib.for	0907 Environmental Engineering
utslib.for	1002 Environmental Biotechnology
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Civil and Environmental Engineering
pubs.organisational-group	/University of Technology Sydney/Strength - CTWW - Centre for Technology in Water and Wastewater Treatment
utslib.copyright.status	closed_access	*
dc.date.updated	2022-06-02T00:45:11Z
pubs.issue	4
pubs.publication-status	Published
pubs.volume	8
utslib.citation.issue	4

Abstract:

Perfluorooctanoic acid (PFOA, C7F15COOH) has raised global concerns because of its ubiquitous occurrence and resistance to most conventional water treatment techniques. In this work, we first used metal-organic framework (MOF) derived In2O3nanospheres (In2O3NS) and rods for photocatalytic degradation of PFOA under UV light irradiation. XRD was used to confirm the successful preparation of MOF-derived In2O3. SEM images show that In2O3NS and rods were obtained by the calcination of different indium (iii)-benzenedicarboxylate (In-BDC) MOFs. In2O3NS and rods demonstrated enhanced performances for photodegradation of PFOA compared with the commercial In2O3. The results show that PFOA was completely decomposed in 3 h, and its shorter-chain products were further mineralized in 6 h in the presence of In2O3NS under 254 nm UV light irradiation. MOF-derived In2O3is super-hydrophilic with a contact angle of ∼20° and possesses larger specific surface area, which facilitate the adsorption and tight coordination of PFOA with In2O3. Moreover, EIS Nyquist spectra show that the as-prepared In2O3NS and rods have higher efficiency in charge separation and migration compared with the commercial In2O3. All these properties contribute to the destruction of PFOA.

Please use this identifier to cite or link to this item:

http://hdl.handle.net/10453/157873