Listar DQO-Artículos, capítulos... por autor "183ef464-3b49-4378-a0a2-07fa493e971c"
Mostrando ítems 1-11 de 11
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Bio-Templating: An Emerging Synthetic Technique for Catalysts. A Review
Herrera-Beurnio, M. Carmen; Hidalgo-Carrillo, J.; Martín-Gómez, Juan; Martín-Gómez, Juan; Estévez, R.; Urbano, Francisco José; Marinas, Alberto (MDPI, 2021)In the last few years, researchers have focused their attention on the synthesis of new catalyst structures based on or inspired by nature. Biotemplating involves the transfer of biological structures to inorganic materials ... -
Biochars from olive stones as Carbonaceous support in Pt/TiO2-Carbon Photocatalysts and application in hydrogen production from aqueous glycerol photoreforming
Escamilla, Juan Carlos; Hidalgo-Carrillo, J.; Martín-Gómez, Juan; López Tenllado, Francisco Javier; Estévez, R.; Marinas, Alberto; Urbano, Francisco José (MDPI, 2023)Several biochars were synthesized from olive stones and used as supports for TiO2, as an active semiconductor, and Pt as a co-catalyst (Pt/TiO2-PyCF and Pt/TiO2-AC). A third carbon-supported photocatalyst was prepared from ... -
Controlled photodeposition of Pt onto TiO2-g-C3N4 systems for photocatalytic hydrogen production
Herrera-Beurnio, M. Carmen; López Tenllado, Francisco Javier; Hidalgo-Carrillo, J.; Martín-Gómez, Juan; Estévez, R.; Castillo-Rodríguez, Miguel; Miguel, Gustavo de; Urbano, Francisco José; Marinas, Alberto (Elsevier, 2022)Platinum (0.5 wt. %) was photodeposited on g-C3N4-TiO2 systems using UV or Vis light. Different absorption by semiconductors seemed to somehow influence resulting platinum particle size and distribution. Thus, lower platinum ... -
EPR and CV studies cast further light on the origin of the enhanced hydrogen production through glycerol photoreforming on CuO:TiO2 physical mixtures
Martín-Gómez, Juan; Hidalgo-Carrillo, J.; Montes, Vicente; Estévez, R.; Escamilla, Juan Carlos; Marinas, Alberto; Urbano, Francisco José (Elsevier, 2021)Different CuO nanoparticles were synthesized and tested in CuO:TiO2 physical mixtures for hydrogen production through glycerol photoreforming. CuO alone was inactive whereas its presence in CuO:TiO2 mixtures significantly ... -
Glycerol photoreforming for photocatalytic hydrogen production on binary and ternary Pt-g-C3N4-TiO2 systems: a comparative study
Herrera-Beurnio, M. Carmen; López-Tenllado, Francisco J.; Hidalgo-Carrillo, J.; Martín-Gómez, Juan; Estévez, R.; Urbano, Francisco José; Marinas, Alberto (Elsevier, 2024)Photocatalytic hydrogen production using two sacrificial agents (triethanolamine and glycerol) was conducted on several binary (Pt/TiO2 and Pt/g-C3N4) and ternary systems (Pt on a heterojunction between TiO2 and g-C3N4 ... -
Hydrogen photoproduction on TiO2-CuO artificial olive leaves
Martín-Gómez, Juan; Hidalgo-Carrillo, J.; Estévez, R.; Urbano, Francisco José; Marinas, Alberto (Elsevier, 2021)Olive leaves were used as biotemplates to synthesize diverse TiO2-CuO solids. A successful replication of trichomes and internal channels was evidenced by SEM, whereas a good dispersion of Cu and Ti atoms was observed by ... -
Hydrogen Production through Glycerol Photoreforming on TiO2/Mesoporous Carbon: Influence of the Synthetic Method
Escamilla, Juan Carlos; Hidalgo-Carrillo, J.; Martín-Gómez, Juan; Estévez, R.; Montes, Vicente; Cosano, Daniel; Urbano Navarro, Francisco José; Marinas, Alberto (MDPI, 2020)This article explores the effect of the synthetic method of titanium dioxide (TiO2)/C composites (physical mixture and the water-assisted/unassisted sol-gel method) on their photocatalytic activity for hydrogen production ... -
Influence of sacrificial agent on Cu photodeposition over TiO2/MCH composites for photocatalytic hydrogen production
Martín-Gómez, Juan; Escamilla, Juan Carlos; Hidalgo-Carrillo, J.; López Tenllado, Francisco Javier; Estévez, R.; Herrera-Beurnio, M. Carmen; Castillo-Rodríguez, Miguel; Urbano, Francisco José; Marinas, Alberto (Elsevier, 2022)Titanium (ca. 11 wt%) was dispersed on a carbonaceous mesoporous support and modified with copper (ca. 5 wt%) photodeposited using either glycerol or methanol as the sacrificial agent ((Cu-TiO2/MCH_(Gly) and Cu-TiO2/MCH_(Met) ... -
Olive Leaves as Biotemplates for Enhanced Solar-Light Harvesting by a Titania-Based Solid
Hidalgo-Carrillo, J.; Martín-Gómez, Juan; Herrera-Beurnio, M. Carmen; Estévez, R.; Urbano Navarro, Francisco José; Marinas, Alberto (MDPI, 2020)Olive leaves (by-product from olive oil production in olive mills) were used as biotemplates to synthesize a titania-based artificial olive leaf (AOL). Scanning electron microscopy (SEM) images of AOL showed the successful ... -
Pt Preferential incorporation onto TiO2 IN TiO2-carbon composites for hydrogen production from glycerol photoreforming
Escamilla, Juan Carlos; Hidalgo-Carrillo, J.; Martín-Gómez, Juan; López Tenllado, Francisco Javier; Estévez, R.; Marinas, Alberto; Urbano, Francisco José (Elsevier, 2022)Platinum was incorporated onto titania-mesoporous carbon composite and tested for glycerol photoreforming. The relative high surface area of the mesoporous carbon favored the good dispersion of anatase titania during sol-gel ... -
Synthesis of Fe-TiO2 and Cu-TiO2 Based Materials by Olive Leaves Biotemplating—Application to Hydrogen Production from Glycerol Photoreforming
Martín-Gómez, Juan; Reca-Expósito, Susana; López Tenllado, Francisco Javier; Hidalgo-Carrillo, J.; Marinas, Alberto; Urbano, Francisco José (MDPI, 2023)Hydrogen production is mainly based on the use of fossil fuels, but currently, many alternative routes are being developed, among which the photo-reforming of oxygenated organic compounds stands out. Recently, several ...