Listar OpenAIRE (Open Access Infrastructure for Research in Europe) por autor "889251dd-f2e0-4eae-b6bd-3542e96460c0"
Mostrando ítems 1-19 de 19
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A Sustainable Approach for the Synthesis of Catalytically Active Peroxidase-Mimic ZnS Catalysts
Cova, Camilla María; Zuliani, Alessio; Muñoz-Batista, Mario J.; Luque, Rafael (ACS Publications, 2019)Zinc sulfides are emerging as promising catalysts in different fields such as photochemistry or organic synthesis. Nevertheless, the synthesis of ZnS compounds normally requires the utilization of toxic sulfur precursors, ... -
Advances in nanocatalysts design for biofuels production
Zuliani, Alessio; Ivars, Francisco; Luque, Rafael (Wiley-VCH, 2017)The exploitation of nanocatalysts, at the boundary between homogeneous and heterogeneous catalysis, is tracking new efficient ways to produce renewable biofuels in environmentally friendly conditions. Their solid state ... -
Benign-by-design preparation of iron oxides/humins catalytic nanocomposites
Filiciotto, Layla; Balu, Alina M.; Romero, Antonio A.; Rodríguez-Castellón, Enrique; Van der Waal, Jan Cornelis; Luque, Rafael (Royal Society of Chemistry, 2017)The current acid-catalyzed conversion of biomass feedstocks yields substantial quantities of undesired by-products called humins, for which applications are yet to be found. This work aims to provide a starting point for ... -
Continuous flow conversion of biomass-derived methyl levulinate into gamma valerolactone using functional metal organic frameworks
Ouyang, Weiyi; Zhao, Deyang; Wang, Yantao; Balu, Alina M.; Len, Christophe; Luque, Rafael (2019)Zirconium based metal organic framework, UiO-66 (Zr), was successfully synthesized via solvothermal method, followed by various characterization including XRD, thermal analysis, N2 physisorption and TEM. As-synthesized ... -
Designer hydrogenated wrinkled Yolk@Shell TiO2 architectures: towards advanced room temperature visible light selective photocatalysts
Ziarati, Abolfazl; Badiei, Alireza; Luque, Rafael; Ouyang, Weiyi (2019)Smart architectures of TiO2 are attracting increasing attention due to their outstanding properties in a broad range of fields. Herein, we report the preparation of an unprecedented yolk/shell wrinkled TiO2 architecture ... -
Efficient and environmentally friendly microwave-assisted synthesis of catalytically active magnetic metallic Ni nanoparticle
Zuliani, Alessio; Balu, Alina M.; Luque, Rafael (ACS Sustainable Chemistry and Engineering, 2017)Pure magnetic metallic nickel was synthesized by a simple and fast microwave-assisted method using a monomode microwave reactor. Nickel chloride was employed as metal precursor, while an environmental-friendly mixture of ... -
Efficient Ru-based scrap waste automotive converter catalysts for the continuous-flow selective hydrogenation of cinnamaldehyde
Cova, Camilla María; Zuliani, Alessio; Muñoz-Batista, Mario J.; Luque, Rafael (Royal Society of Chemistry, 2019)The selective, efficient and sustainable continuous flow hydrogenation of a α,β-unsaturated aldehyde, i.e. cinnamaldehyde, to the corresponding unsaturated alcohol, i.e. cinnamyl alcohol, using a novel catalyst based on ... -
Facile mechanochemical modification of g-C3N4 for selective photo-oxidation of benzyl alcohol
Cerdana, Kenneth; Ouyang, Weiyi; Colmenares, Juan C.; Muñoz-Batista, Mario J.; Luque, Rafael; Balu, Alina M. (2019)Graphitic carbon nitride enriched with ZnO or Fe2O3 were synthesized using a simple one-pot mechanochemical method. By using this method, composite samples were synthetized without the production of any potentially hazardous ... -
Heterogeneously Catalyzed Synthesis of Imidazolones via Cycloisomerizations of Propargylic Ureas Using Ag and Au/Al SBA-15 Systems
Zuliani, Alessio; Ranjan, Prabhat; Luque, Rafael; Van der Eycken, Erik V. (ACS, 2019)The synthesis of imidazolones through the cycloisomerization of ureas, specifically propargylureas, has gained attention due to the large availability of starting materials. However, this type of synthesis normally requires ... -
Highly active catalytic Ru/TiO2 nanomaterials for continuous production of γ-valerolactone
Ouyang, Weiyi; Muñoz-Batista, Mario J.; Fernández-García, Marcos; Luque, Rafael (2019)Green energy production from renewable sources is an attractive but challenging topic to face the likely energy crisis scenario in the future. In the current work, a series of versatile Ru/TiO2 catalysts were simply ... -
Mechanochemical Synthesis of TiO2 Nanocomposites as Photocatalysts for Benzyl Alcohol Photo-Oxidation
Ouyang, Weiyi; Kuna, Ewelina; Yepes, Alfonso; Balu, Alina M.; Romero, Antonio A.; Colmenares, Juan C.; Luque, Rafael (MDPI, 2016)TiO2 (anatase phase) has excellent photocatalytic performance and different methods have been reported to overcome its main limitation of high band gap energy. In this work, TiO2-magnetically-separable nanocomposites ... -
Microwave-assisted preparation of Ag/Ag2S carbon hybrid structures from pig bristles as efficient HER electrocatalysts
Muñoz-Batista, Mario J.; Puente-Santiago, A.R.; Zuliani, Alessio; Cova, Camilla María; Luque, Rafael; Caballero Amores, Álvaro (Royal Society of Chemistry, 2018)Ag/Ag2S hybrid structures have recently attracted significant interest due to their high chemical and thermal stability, in addition to their unique optical and electrical properties. However, their standard synthetic ... -
Novel Applications of Microbial Fuel Cells in Sensors and Biosensors
Ivars-Barceló, Francisco; Zuliani, Alessio; Fallah, Marjan; Mashkour, Mehrdad; Rahimnejad, Mostafa; Luque, Rafael (MDPI, 2018-07-20)A microbial fuel cell (MFC) is a type of bio-electrochemical system with novel features, such as electricity generation, wastewater treatment, and biosensor applications. In recent years, progressive trends in MFC research ... -
Reconstruction of humins formation mechanism from decomposition products: A GC-MS study based on catalytic continuous flow depolymerizations
Filiciotto, Layla; Balu, Alina M.; Romero, Antonio A.; Angelici, Carlo; Van der Waal, Jan Cornelis; Luque, Rafael (Elsevier, 2019)Humins, a by-product of biomass chemical conversion technologies, still present controversies in their structural and mechanistic identification. Traditional studies of the structure and mechanism have focused so far on ... -
Scrap waste automotive converters as efficient catalysts for the continuous-flow hydrogenations of biomass derived chemicals
Cova, Camilla María; Zuliani, Alessio; Manno, Roberta; Sebastian, Victor; Luque, Rafael (RSC, 2020)The catalytic activity of the scrap ceramic-core of automotive catalytic converters (SCATs) was investigated in the continuous-flow hydrogenation of different biomass derived chemicals. The waste SCATs powders were deeply ... -
Sustainable protocol for the reduction of nitroarenes by heterogeneous Au@SBA‐15 using NaBH4 under flow conditions
Vaccaro, Luigi; Ferlin, Francesco; Giannoni, Tommaso; Zuliani, Alessio; Piermatti, Oriana; Luque, Rafael (Wiley, 2019)Gold‐incorporated SBA‐15 catalyst was prepared by a solvent‐free ball milling approach. The catalyst showed high reactivity and selectivity in the reduction of a variety of nitroarenes to anilines operating in absolute ... -
The dark side of biomass valorization: A laboratory experiment to understand humins formation, catalysis and green chemistry
Pfab, Evan; Filiciotto, Layla; Luque, Rafael (ACS Publications, 2019)This laboratory experiment introduces students to an important reaction in biomass valorization and allows them to gain a practical understanding of green chemistry. Acid-catalyzed dehydration reactions of fructose to ... -
Towards industrial furfural conversion: selectivity and stability of palladium and platinum catalysts under continuous flow regime
Ouyang, Weiyi; Yepeza, Alfonso; Romero, Antonio A.; Luque, Rafael (2019)Furfural is an important biorefinery platform chemical, derived from hemicelluloses which represent an import fraction of lignocellulosic biomass feedstocks and waste streams originating from them. Recently, promising ... -
Wheat bran valorisation: Towards photocatalytic nanomaterials for benzyl alcohol photo-oxidation
Balu, Alina M.; Ouyang, Weiyi; Reina, Jose M.; Kuna, Ewelina; Yépez, Alfonso; Romero, Antonio A.; Colmenares, Juan C.; Luque, Rafael (Elsevier, 2017)In this work, we have successfully synthesized a set of titania photocatalytic nanocomposites by the incorporation of different TiO2 content on wheat bran residues. The obtained catalysts were characterized by different ...