Synthesis and Characterization of ZnO Nanorod Films on PET for Photocatalytic Disinfection of Water
ZnO nanorods (ZnO NRs) were grown on ZnO seeded polyethylene tert-phtalate (PET) substrates obtained from recycled soda bottles at low temperatures (90 °C) from Zn2+ precursors in alkaline aqueous solution. The ZnO seeds were deposited on the PET substrates by spray gel (SG) or dip coating (DC) from...
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Science & Technology Network Inc
2015
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I78-R216-123456789-9842023-03-27T19:49:06Z Synthesis and Characterization of ZnO Nanorod Films on PET for Photocatalytic Disinfection of Water Sánchez, Luis Ángel Guz, Lucas Martín García, Pilar Ponce, Silvia Goyanes, Silvia Marchi, María Claudia Candal, Roberto Rodriguez, Juan PHOTOCATALYTIC DISINFECTION NANORODS SPRAY GEL DIP COATING CIENCIAS QUÍMICAS CIENCIAS NATURALES Y EXACTAS info:eu-repo/semantics/publishedVersion ZnO nanorods (ZnO NRs) were grown on ZnO seeded polyethylene tert-phtalate (PET) substrates obtained from recycled soda bottles at low temperatures (90 °C) from Zn2+ precursors in alkaline aqueous solution. The ZnO seeds were deposited on the PET substrates by spray gel (SG) or dip coating (DC) from a ZnO methanol sol. In the case of SG, the PET substrate was heated at 90 °C during the spray process. By the other hand the ZnO seed layers obtained by dip coating were heated at 90 °C or 130 °C for 10 minutes among coatings. Before seeding two procedures were made on PET surface for improving seed adhesion: 1) PET surface was mechanically roughened with sand paper 1200. 2) PET surface was chemically treated with a solution of NaOH in ethanol. The relationship between the microstructure of the ZnO NRs films as function of the PET surface treatment and the photocatalytic antibacterial activity for E. Coli disinfection, was determined through a detailed characterization of the material. The highest photocatalytic antibacterial activity was performed by ZnO NRs films grown on seeds deposited by dip coating with 10 layers, 5 minutes of chemical treatment of PET surface and a thermal treatment at 130° C among coatings. With these films the population of viable E. Coli dropped more than seven orders, from 3x108 to 101 CFU. Fil: Sánchez, Luis Ángel. Universidad Nacional de Ingenieria; Perú Fil: Guz, Lucas Martín. Universidad Nacional de San Martín. Escuela de Ciencia y Tecnología; Argentina Fil: García, Pilar. Universidad Nacional de Ingenieria; Perú Fil: Ponce, Silvia. Universidad de Lima; Perú Fil: Goyanes, Silvia. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; Argentina Fil: Marchi, María Claudia. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Centro de Microscopías Avanzadas; Argentina Fil: Candal, Roberto. Universidad Nacional de San Martín. Escuela de Ciencia y Tecnología; Argentina Fil: Rodriguez, Juan. Universidad Nacional de Ingenieria; Perú 2015-06 info:eu-repo/semantics/article info:ar-repo/semantics/artículo Sánchez, L. Á.; Guz, L. M.; García, P.; Ponce, S.; Goyanes, S.; et al. (jun 2015). Synthesis and Characterization of ZnO Nanorod Films on PET for Photocatalytic Disinfection of Water; Science & Technology Network Inc; Journal Of Advanced Oxidation Technologies; 18 (2) 246-252 1203-8407 Jou-Adv-Oxi_2015_18_2_246-252 https://ri.unsam.edu.ar/handle/123456789/984 eng info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ Creative Commons Atribución-NoComercial-CompartirIgual 2.5 Argentina (CC BY-NC-SA 2.5) application/pdf pp. 246-252 application/pdf Science & Technology Network Inc Journal Of Advanced Oxidation Technologies, 2015 18(2): 246-52 http://dx.doi.org/10.1515/jaots-2015-0210 |
| institution |
Universidad Nacional de General San Martín |
| institution_str |
I-78 |
| repository_str |
R-216 |
| collection |
Repositorio Institucional de la UNSAM |
| language |
Inglés |
| topic |
PHOTOCATALYTIC DISINFECTION NANORODS SPRAY GEL DIP COATING CIENCIAS QUÍMICAS CIENCIAS NATURALES Y EXACTAS |
| spellingShingle |
PHOTOCATALYTIC DISINFECTION NANORODS SPRAY GEL DIP COATING CIENCIAS QUÍMICAS CIENCIAS NATURALES Y EXACTAS Sánchez, Luis Ángel Guz, Lucas Martín García, Pilar Ponce, Silvia Goyanes, Silvia Marchi, María Claudia Candal, Roberto Rodriguez, Juan Synthesis and Characterization of ZnO Nanorod Films on PET for Photocatalytic Disinfection of Water |
| topic_facet |
PHOTOCATALYTIC DISINFECTION NANORODS SPRAY GEL DIP COATING CIENCIAS QUÍMICAS CIENCIAS NATURALES Y EXACTAS |
| description |
ZnO nanorods (ZnO NRs) were grown on ZnO seeded polyethylene tert-phtalate (PET) substrates obtained from recycled soda bottles at low temperatures (90 °C) from Zn2+ precursors in alkaline aqueous solution. The ZnO seeds were deposited on the PET substrates by spray gel (SG) or dip coating (DC) from a ZnO methanol sol. In the case of SG, the PET substrate was heated at 90 °C during the spray process. By the other hand the ZnO seed layers obtained by dip coating were heated at 90 °C or 130 °C for 10 minutes among coatings. Before seeding two procedures were made on PET surface for improving seed adhesion: 1) PET surface was mechanically roughened with sand paper 1200. 2) PET surface was chemically treated with a solution of NaOH in ethanol. The relationship between the microstructure of the ZnO NRs films as function of the PET surface treatment and the photocatalytic antibacterial activity for E. Coli disinfection, was determined through a detailed characterization of the material. The highest photocatalytic antibacterial activity was performed by ZnO NRs films grown on seeds deposited by dip coating with 10 layers, 5 minutes of chemical treatment of PET surface and a thermal treatment at 130° C among coatings. With these films the population of viable E. Coli dropped more than seven orders, from 3x108 to 101 CFU. |
| format |
publishedVersion Artículo Artículo |
| author |
Sánchez, Luis Ángel Guz, Lucas Martín García, Pilar Ponce, Silvia Goyanes, Silvia Marchi, María Claudia Candal, Roberto Rodriguez, Juan |
| author_facet |
Sánchez, Luis Ángel Guz, Lucas Martín García, Pilar Ponce, Silvia Goyanes, Silvia Marchi, María Claudia Candal, Roberto Rodriguez, Juan |
| author_sort |
Sánchez, Luis Ángel |
| title |
Synthesis and Characterization of ZnO Nanorod Films on PET for Photocatalytic Disinfection of Water |
| title_short |
Synthesis and Characterization of ZnO Nanorod Films on PET for Photocatalytic Disinfection of Water |
| title_full |
Synthesis and Characterization of ZnO Nanorod Films on PET for Photocatalytic Disinfection of Water |
| title_fullStr |
Synthesis and Characterization of ZnO Nanorod Films on PET for Photocatalytic Disinfection of Water |
| title_full_unstemmed |
Synthesis and Characterization of ZnO Nanorod Films on PET for Photocatalytic Disinfection of Water |
| title_sort |
synthesis and characterization of zno nanorod films on pet for photocatalytic disinfection of water |
| publisher |
Science & Technology Network Inc |
| publishDate |
2015 |
| url |
https://ri.unsam.edu.ar/handle/123456789/984 |
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