Multifunctional silver-coated transparent TiO2 thin films for photocatalytic and antimicrobial applications
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INVESTIGACIONMetadatos
Título
Multifunctional silver-coated transparent TiO2 thin films for photocatalytic and antimicrobial applicationsAutoría
Fecha de publicación
2023Editor
ElsevierCita bibliográfica
CUADRA, J. G., et al. Multifunctional Silver-Coated Transparent TiO2 Thin Films for Photocatalytic and Antimicrobial Applications. Applied Surface Science, 2023, p. 156519.Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
https://www.sciencedirect.com/science/article/pii/S0169433223001952Versión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
Transparent TiO2 thin films coated with Ag NPs were synthesized using two industrially applicable techniques,
pulsed laser ablation (PLAL) and spray pyrolysis without using high vacuum. These transparent thin films ... [+]
Transparent TiO2 thin films coated with Ag NPs were synthesized using two industrially applicable techniques,
pulsed laser ablation (PLAL) and spray pyrolysis without using high vacuum. These transparent thin films were
deposited on glass in order to generate glass materials with photocatalytic and antimicrobial properties and a
minimum loss of transparency. The structural, morphological and optical properties of the thin films were
examined using Grazing incidence X-ray diffraction (GIXRD), Raman spectroscopy, Scanning electron microscopy (SEM) and ultraviolet–visible spectroscopy. Transmission electron microscopy (TEM) was used to identify
the NPs on the TiO2 surface. The transmittance value for the thin films was greater than 80%.The thin films thus
synthesized were then assessed to determine their photocatalytic capacity by monitoring the degradation of
Rhodamine B (RhB) under UV light irradiation. Ag NPs on the TiO2 surface ensures an improvement in the
photocatalytic properties, with a 99% degradation of RhB in 210 min under UV light. In addition, these transparent thin films showed high antimicrobial activity on Gram-negative bacteria when irradiated by UV light for
4 h, killing 93% of these bacteria. [-]
Publicado en
Applied Surface Science, 617 (2023)Entidad financiadora
Ministerio de Economía y Competitividad | Ministerio de Ciencia e Innovación | Agencia Estatal de Investigación | Generalitat Valenciana | Universitat Jaume I
Código del proyecto o subvención
PID2020-116719RB-C43 | PID2019-110927RBI00 | PROMETEO/2020/029 | UJI-B2019-37
Derechos de acceso
info:eu-repo/semantics/openAccess
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