Quantitative XRD characterisation and gas-phase photocatalytic activity testing for visible-light (indoor applications) of KRONOClean 7000®

D Tobaldi, M Seabra, G. Otero-Irurueta, Yolanda Miguel, Richard Ball, M. K. Singh, R. C. Pullar, J A Labrincha

Research output: Contribution to journalArticle

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Abstract

Carbon-modified commercial anatase (KRONOClean 7000®) was quantitatively characterised with XRD for the first time – full phase composition (both crystalline and amorphous content) and microstructure. The material was found to be bimodal anatase, mostly 4 nm diameter, but with a small amount of a larger fraction between 12 and 15 nm. Absorption in the visible range was confirmed by UV-Vis analysis, whilst XPS showed that an aromatic carbon compound is at the origin of that absorption. Also, the photocatalytic activity of this commercial nano-TiO2 was assessed, monitoring the abatement of NOx
using a white LED lamp, irradiating exclusively in the visible region. Experiments simulated an indoor environment, highlighting the potential of this nano-TiO2 for adoption as a standard for visible-light photocatalytic activity, i.e. applications for innovative interior eco-building materials.
LanguageEnglish
Article number5
Pages102911-102918
Number of pages8
JournalRSC Advances
Issue number5
Early online date26 Nov 2015
DOIs
StatusPublished - Nov 2015

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Titanium dioxide
Gases
Interiors (building)
Carbon
Testing
Electric lamps
Phase composition
Light emitting diodes
X ray photoelectron spectroscopy
Crystalline materials
Microstructure
Monitoring
Experiments
titanium dioxide

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Quantitative XRD characterisation and gas-phase photocatalytic activity testing for visible-light (indoor applications) of KRONOClean 7000®. / Tobaldi, D; Seabra, M; Otero-Irurueta, G.; Miguel, Yolanda; Ball, Richard; Singh, M. K. ; Pullar, R. C. ; Labrincha, J A.

In: RSC Advances, No. 5, 5, 11.2015, p. 102911-102918.

Research output: Contribution to journalArticle

Tobaldi, D, Seabra, M, Otero-Irurueta, G, Miguel, Y, Ball, R, Singh, MK, Pullar, RC & Labrincha, JA 2015, 'Quantitative XRD characterisation and gas-phase photocatalytic activity testing for visible-light (indoor applications) of KRONOClean 7000®' RSC Advances, no. 5, 5, pp. 102911-102918. DOI: 10.1039/c5ra22816f
Tobaldi D, Seabra M, Otero-Irurueta G, Miguel Y, Ball R, Singh MK et al. Quantitative XRD characterisation and gas-phase photocatalytic activity testing for visible-light (indoor applications) of KRONOClean 7000®. RSC Advances. 2015 Nov;(5):102911-102918. 5. Available from, DOI: 10.1039/c5ra22816f
Tobaldi, D ; Seabra, M ; Otero-Irurueta, G. ; Miguel, Yolanda ; Ball, Richard ; Singh, M. K. ; Pullar, R. C. ; Labrincha, J A. / Quantitative XRD characterisation and gas-phase photocatalytic activity testing for visible-light (indoor applications) of KRONOClean 7000®. In: RSC Advances. 2015 ; No. 5. pp. 102911-102918
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