Influence of pyrolytic seeds on ZnO nanorod growth onto rigid substrates for photocatalytic abatement of Escherichia coli in water

ZnO nanorods (ZnO NRs) were grown on ZnO seeded fluorine doped tin oxide (FTO) substrates at low temperatures (90 °C) from Zn2+ precursors in alkaline aqueous solution. The ZnO seeds were deposited on the FTO substrate heated at 350 °C by spray pyrolysis of a zinc acetate solution in a water ethanol...

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Autores principales:	Goyanes, Silvia Nair, Marchi, María Claudia
Publicado:	2014
Materias:	Nanorods Photocatalytic disinfection Spray pyrolysis ZnO Disinfection Doping (additives) Escherichia coli Ethanol Nanocomposites Optical properties Organic solvents Pyrolysis Tin oxides Zinc Zinc compounds Zinc oxide Anti-bacterial activity Fluorine doped tin oxide Photocatalytic disinfections Rigid substrates Solvent evaporation Water disinfections Water ethanol mixtures Substrates alcohol nanorod tin oxide water zinc acetate zinc oxide aqueous solution catalysis film growth rate low temperature microbial community microstructure optical property pyrolysis substrate temperature effect water quality zinc alkalinity antibacterial activity Article evaporation nonhuman photocatalysis structure analysis
Acceso en línea:	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_16069749_v14_n6_p1087_Sanchez http://hdl.handle.net/20.500.12110/paper_16069749_v14_n6_p1087_Sanchez
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

id	paper:paper_16069749_v14_n6_p1087_Sanchez
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spelling	paper:paper_16069749_v14_n6_p1087_Sanchez2023-06-08T16:25:04Z Influence of pyrolytic seeds on ZnO nanorod growth onto rigid substrates for photocatalytic abatement of Escherichia coli in water Goyanes, Silvia Nair Marchi, María Claudia Nanorods Photocatalytic disinfection Spray pyrolysis ZnO Disinfection Doping (additives) Escherichia coli Ethanol Nanocomposites Nanorods Optical properties Organic solvents Pyrolysis Spray pyrolysis Tin oxides Zinc Zinc compounds Zinc oxide Anti-bacterial activity Fluorine doped tin oxide Photocatalytic disinfections Rigid substrates Solvent evaporation Water disinfections Water ethanol mixtures ZnO Substrates alcohol nanorod tin oxide water zinc acetate zinc oxide aqueous solution catalysis film growth rate low temperature microbial community microstructure optical property pyrolysis substrate temperature effect water quality zinc alkalinity antibacterial activity aqueous solution Article Escherichia coli evaporation low temperature nonhuman photocatalysis pyrolysis structure analysis Escherichia coli ZnO nanorods (ZnO NRs) were grown on ZnO seeded fluorine doped tin oxide (FTO) substrates at low temperatures (90 °C) from Zn2+ precursors in alkaline aqueous solution. The ZnO seeds were deposited on the FTO substrate heated at 350 °C by spray pyrolysis of a zinc acetate solution in a water ethanol mixture. The structure of seeds was tuned by the ethanol water ratio, Γ, which controls the solvent evaporation rate of drops impinging the substrate. The relationship between the microstructure and optical properties of the ZnO NR films and the photocatalytic antibacterial activity for Escherichia coli abatement, was determined through a detailed characterization of the material. The higher photocatalytic antibacterial activity was performed by ZnO NR films grown on seeds deposited from solutions with Γ in the 0.0-0.03 range. With these films, the population of viable E. coli dropped more than six orders, from 8 × 108 to 4 × 102 CFU. These results show the potential of these materials in water disinfection. © IWA Publishing 2014. Fil:Goyanes, S. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Marchi, M.C. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2014 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_16069749_v14_n6_p1087_Sanchez http://hdl.handle.net/20.500.12110/paper_16069749_v14_n6_p1087_Sanchez
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-134
collection	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic	Nanorods Photocatalytic disinfection Spray pyrolysis ZnO Disinfection Doping (additives) Escherichia coli Ethanol Nanocomposites Nanorods Optical properties Organic solvents Pyrolysis Spray pyrolysis Tin oxides Zinc Zinc compounds Zinc oxide Anti-bacterial activity Fluorine doped tin oxide Photocatalytic disinfections Rigid substrates Solvent evaporation Water disinfections Water ethanol mixtures ZnO Substrates alcohol nanorod tin oxide water zinc acetate zinc oxide aqueous solution catalysis film growth rate low temperature microbial community microstructure optical property pyrolysis substrate temperature effect water quality zinc alkalinity antibacterial activity aqueous solution Article Escherichia coli evaporation low temperature nonhuman photocatalysis pyrolysis structure analysis Escherichia coli
spellingShingle	Nanorods Photocatalytic disinfection Spray pyrolysis ZnO Disinfection Doping (additives) Escherichia coli Ethanol Nanocomposites Nanorods Optical properties Organic solvents Pyrolysis Spray pyrolysis Tin oxides Zinc Zinc compounds Zinc oxide Anti-bacterial activity Fluorine doped tin oxide Photocatalytic disinfections Rigid substrates Solvent evaporation Water disinfections Water ethanol mixtures ZnO Substrates alcohol nanorod tin oxide water zinc acetate zinc oxide aqueous solution catalysis film growth rate low temperature microbial community microstructure optical property pyrolysis substrate temperature effect water quality zinc alkalinity antibacterial activity aqueous solution Article Escherichia coli evaporation low temperature nonhuman photocatalysis pyrolysis structure analysis Escherichia coli Goyanes, Silvia Nair Marchi, María Claudia Influence of pyrolytic seeds on ZnO nanorod growth onto rigid substrates for photocatalytic abatement of Escherichia coli in water
topic_facet	Nanorods Photocatalytic disinfection Spray pyrolysis ZnO Disinfection Doping (additives) Escherichia coli Ethanol Nanocomposites Nanorods Optical properties Organic solvents Pyrolysis Spray pyrolysis Tin oxides Zinc Zinc compounds Zinc oxide Anti-bacterial activity Fluorine doped tin oxide Photocatalytic disinfections Rigid substrates Solvent evaporation Water disinfections Water ethanol mixtures ZnO Substrates alcohol nanorod tin oxide water zinc acetate zinc oxide aqueous solution catalysis film growth rate low temperature microbial community microstructure optical property pyrolysis substrate temperature effect water quality zinc alkalinity antibacterial activity aqueous solution Article Escherichia coli evaporation low temperature nonhuman photocatalysis pyrolysis structure analysis Escherichia coli
description	ZnO nanorods (ZnO NRs) were grown on ZnO seeded fluorine doped tin oxide (FTO) substrates at low temperatures (90 °C) from Zn2+ precursors in alkaline aqueous solution. The ZnO seeds were deposited on the FTO substrate heated at 350 °C by spray pyrolysis of a zinc acetate solution in a water ethanol mixture. The structure of seeds was tuned by the ethanol water ratio, Γ, which controls the solvent evaporation rate of drops impinging the substrate. The relationship between the microstructure and optical properties of the ZnO NR films and the photocatalytic antibacterial activity for Escherichia coli abatement, was determined through a detailed characterization of the material. The higher photocatalytic antibacterial activity was performed by ZnO NR films grown on seeds deposited from solutions with Γ in the 0.0-0.03 range. With these films, the population of viable E. coli dropped more than six orders, from 8 × 108 to 4 × 102 CFU. These results show the potential of these materials in water disinfection. © IWA Publishing 2014.
author	Goyanes, Silvia Nair Marchi, María Claudia
author_facet	Goyanes, Silvia Nair Marchi, María Claudia
author_sort	Goyanes, Silvia Nair
title	Influence of pyrolytic seeds on ZnO nanorod growth onto rigid substrates for photocatalytic abatement of Escherichia coli in water
title_short	Influence of pyrolytic seeds on ZnO nanorod growth onto rigid substrates for photocatalytic abatement of Escherichia coli in water
title_full	Influence of pyrolytic seeds on ZnO nanorod growth onto rigid substrates for photocatalytic abatement of Escherichia coli in water
title_fullStr	Influence of pyrolytic seeds on ZnO nanorod growth onto rigid substrates for photocatalytic abatement of Escherichia coli in water
title_full_unstemmed	Influence of pyrolytic seeds on ZnO nanorod growth onto rigid substrates for photocatalytic abatement of Escherichia coli in water
title_sort	influence of pyrolytic seeds on zno nanorod growth onto rigid substrates for photocatalytic abatement of escherichia coli in water
publishDate	2014
url	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_16069749_v14_n6_p1087_Sanchez http://hdl.handle.net/20.500.12110/paper_16069749_v14_n6_p1087_Sanchez
work_keys_str_mv	AT goyanessilvianair influenceofpyrolyticseedsonznonanorodgrowthontorigidsubstratesforphotocatalyticabatementofescherichiacoliinwater AT marchimariaclaudia influenceofpyrolyticseedsonznonanorodgrowthontorigidsubstratesforphotocatalyticabatementofescherichiacoliinwater
_version_	1768546134783950848

Influence of pyrolytic seeds on ZnO nanorod growth onto rigid substrates for photocatalytic abatement of Escherichia coli in water

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