Optimising processing conditions for the functionalisation of photocatalytic glazes by ZnO nanoparticle deposition

ZnO nanospheres were synthesised and then deposited by both single- and double-fire fast processes on as-prepared ceramic substrates. The photocatalytic degradation of resazurin ink was tested under UV light. The single-fired samples did not show any evidence of photocatalytic activity because the...

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Autores principales:	H.R. Guzmán-Carrillo, E. Jiménez Relinque, A. Manzano-Ramírez, M. Castellote, M. Romero-Pérez
Formato:	article
Lenguaje:	EN ES
Publicado:	Consejo Superior de Investigaciones Científicas 2021
Materias:	ZnO Nanospheres Photocatalysis Ceramic tiles Operation conditions Materials of engineering and construction. Mechanics of materials TA401-492
Acceso en línea:	https://doaj.org/article/f85d774e15c64b2b95516d0ec6bca185
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spelling	oai:doaj.org-article:f85d774e15c64b2b95516d0ec6bca1852021-12-01T14:08:11ZOptimising processing conditions for the functionalisation of photocatalytic glazes by ZnO nanoparticle deposition10.3989/mc.2021.049210465-27461988-3226https://doaj.org/article/f85d774e15c64b2b95516d0ec6bca1852021-09-01T00:00:00Zhttps://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/2332https://doaj.org/toc/0465-2746https://doaj.org/toc/1988-3226 ZnO nanospheres were synthesised and then deposited by both single- and double-fire fast processes on as-prepared ceramic substrates. The photocatalytic degradation of resazurin ink was tested under UV light. The single-fired samples did not show any evidence of photocatalytic activity because the nanoparticles melted during sintering at 1210°C. The double-fire ZnO spray-coating method successfully produced glazed materials with an active ZnO surface layer despite the high sintering temperature. The influence of experimental parameters, including the ZnO nanoparticle loading (0.03 to 1 mg/cm2) and firing temperature (650 to 800°C), were also investigated. Samples with a ZnO loading of 1 g/cm2 fired at 650°C showed the best photocatalytic activity. Increasing the temperature to 700 and 800°C led to the coalescence of ZnO nanoparticles, which reduced the photocatalytic activity. H.R. Guzmán-CarrilloE. Jiménez RelinqueA. Manzano-RamírezM. CastelloteM. Romero-PérezConsejo Superior de Investigaciones CientíficasarticleZnONanospheresPhotocatalysisCeramic tilesOperation conditionsMaterials of engineering and construction. Mechanics of materialsTA401-492ENESMateriales de Construccion, Vol 71, Iss 344 (2021)
institution	DOAJ
collection	DOAJ
language	EN ES
topic	ZnO Nanospheres Photocatalysis Ceramic tiles Operation conditions Materials of engineering and construction. Mechanics of materials TA401-492
spellingShingle	ZnO Nanospheres Photocatalysis Ceramic tiles Operation conditions Materials of engineering and construction. Mechanics of materials TA401-492 H.R. Guzmán-Carrillo E. Jiménez Relinque A. Manzano-Ramírez M. Castellote M. Romero-Pérez Optimising processing conditions for the functionalisation of photocatalytic glazes by ZnO nanoparticle deposition
description	ZnO nanospheres were synthesised and then deposited by both single- and double-fire fast processes on as-prepared ceramic substrates. The photocatalytic degradation of resazurin ink was tested under UV light. The single-fired samples did not show any evidence of photocatalytic activity because the nanoparticles melted during sintering at 1210°C. The double-fire ZnO spray-coating method successfully produced glazed materials with an active ZnO surface layer despite the high sintering temperature. The influence of experimental parameters, including the ZnO nanoparticle loading (0.03 to 1 mg/cm2) and firing temperature (650 to 800°C), were also investigated. Samples with a ZnO loading of 1 g/cm2 fired at 650°C showed the best photocatalytic activity. Increasing the temperature to 700 and 800°C led to the coalescence of ZnO nanoparticles, which reduced the photocatalytic activity.
format	article
author	H.R. Guzmán-Carrillo E. Jiménez Relinque A. Manzano-Ramírez M. Castellote M. Romero-Pérez
author_facet	H.R. Guzmán-Carrillo E. Jiménez Relinque A. Manzano-Ramírez M. Castellote M. Romero-Pérez
author_sort	H.R. Guzmán-Carrillo
title	Optimising processing conditions for the functionalisation of photocatalytic glazes by ZnO nanoparticle deposition
title_short	Optimising processing conditions for the functionalisation of photocatalytic glazes by ZnO nanoparticle deposition
title_full	Optimising processing conditions for the functionalisation of photocatalytic glazes by ZnO nanoparticle deposition
title_fullStr	Optimising processing conditions for the functionalisation of photocatalytic glazes by ZnO nanoparticle deposition
title_full_unstemmed	Optimising processing conditions for the functionalisation of photocatalytic glazes by ZnO nanoparticle deposition
title_sort	optimising processing conditions for the functionalisation of photocatalytic glazes by zno nanoparticle deposition
publisher	Consejo Superior de Investigaciones Científicas
publishDate	2021
url	https://doaj.org/article/f85d774e15c64b2b95516d0ec6bca185
work_keys_str_mv	AT hrguzmancarrillo optimisingprocessingconditionsforthefunctionalisationofphotocatalyticglazesbyznonanoparticledeposition AT ejimenezrelinque optimisingprocessingconditionsforthefunctionalisationofphotocatalyticglazesbyznonanoparticledeposition AT amanzanoramirez optimisingprocessingconditionsforthefunctionalisationofphotocatalyticglazesbyznonanoparticledeposition AT mcastellote optimisingprocessingconditionsforthefunctionalisationofphotocatalyticglazesbyznonanoparticledeposition AT mromeroperez optimisingprocessingconditionsforthefunctionalisationofphotocatalyticglazesbyznonanoparticledeposition
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Optimising processing conditions for the functionalisation of photocatalytic glazes by ZnO nanoparticle deposition

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