Listar por autoría "197450e8-f78f-445e-8afe-1bd4a8b93e02"
Mostrando ítems 21-40 de 44
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Gel–Polymer Electrolytes Based on Poly(Ionic Liquid)/Ionic Liquid Networks
Sen, Sudeshna; Goodwin, Sean E.; Verdía, Pedro; Rance, Graham; Wales, Dominic; Cameron, Jamie; Sans, Victor; Mamlouk, Mohamed; scott, keith; Walsh, Darren American Chemical Society (2021-01-08)The use of electrically charged, polymerized ionic liquids (polyILs) offers opportunities for the development of gel–polymer electrolytes (GPEs), but the rational design of such systems is in its infancy. In this work, we ... -
Investigation of pressure drop in 3D replicated open-cell foams: Coupling CFD with experimental data on additively manufactured foams
Bracconi, Mauro; Ambrosetti, Matteo; Okafor, Obinna; Sans, Victor; Zhang, Xun; Ou, Xiaoxia; Da Fonte, Claudio Pereira; Fan, Xiaolei; Maestri, Matteo; Groppi, Gianpiero; Tronconi, Enrico Elsevier (2019-12-01)Open-cell foams as structured catalyst supports are promising candidates for the design of high throughput catalytic processes. In this contribution, we employ a coupled numerical and experimental approach to assess the ... -
Multi-step oxidative carboxylation of olefins with carbon dioxide by combining electrochemical and 3D-printed flow reactors
Iglesias, Diego; Tinajero Naranjo, Cristopher Alberto; Marchetti, Simone; Roppolo, Ignazio; Zanatta, Marcileia; Sans, Victor Royal Society of Chemistry (2023)The selective oxidation of alkenes to form epoxides followed by the cycloaddition of CO2 is a sustainable and cost-efficient method to generate functional cyclic carbonates. The use of a continuous-flow process allows ... -
On the real catalytically active species for CO2 fixation into cyclic carbonates under near ambient conditions: Dissociation equilibrium of [BMIm][Fe(NO)2Cl2] dependant on reaction temperature
Leu, Meike K.; Vicente, Isabel; Alves Fernandes, Jesum; de Pedro, manuel; Dupont, Jairton; Sans, Victor; Licence, Peter; Gual, Aitor; Cano, Israel Elsevier (2019-05-15)An imidazolium based iron-containing ionic liquid [BMIm][Fe(NO)2Cl2] (BMIm = 1-n-butyl-3-methyl-imidazolium) has been synthesized for the first time and fully characterized employing a wide range of techniques. The iron-based ... -
On the role of multifunctional ionic liquids for the oxidative carboxylation of olefins with carbon dioxide
Podrojková, Natália; Orinak, Andrej; Garcia-Verdugo, Eduardo; Sans, Victor; Zanatta, Marcileia Elsevier (2023-03-23)Ionic liquids (ILs) are catalysts with profound effects on the activity and selectivity for the transformation of CO2. In particular, highly functionalisable and immobilisable imidazolium based ILs (ImILs) activate CO2 ... -
One-pot growth of metal-organic frameworks on polymers for catalytic performance enhancement in the CO2 cycloaddition to epoxides
Sánchez-Velandia, Julián E.; Esteve Franch, Ferran; Maireles Porcar, Miguel; Iglesias, Diego; Martín, Nuria; Zanatta, Marcileia; Sans, Victor; Cirujano, Francisco; Garcia-Verdugo, Eduardo Elsevier (2023-12-05)A novel approach is reported to prepare 3D-printed polymers that incorporate metal-organic frameworks (MOFs) through a one-pot growth process, involving covalent grafting and growth onto 3D polymeric surfaces. The resulting ... -
Paramagnetic ionic liquid-coated SiO2@Fe3O4 nanoparticles—The next generation of magnetically recoverable nanocatalysts applied in the glycolysis of PET
Cano, Israel; Martin, Carmen; Alves Fernandes, Jesum; Lodge, Rhys; Dupont, Jairton; Casado-Carmona, Francisco Antonio; Lucena Rodríguez, Rafael; Cárdenas Aranzana, María Soledad; Sans, Victor Elsevier (2020-01)The functionalization of silica-coated, magnetic Fe3O4 nanoparticles, with an iron-containing ionic liquid, allows for the synthesis of a Fe3O4@SiO2@(mim)[FeCl4] system that can be employed as a magnetically recoverable ... -
Pd catalysts immobilized onto gel-supported ionic liquid-like phases (g-SILLPs): A remarkable effect of the nature of the support
Burguete, M. Isabel; Garcia-Verdugo, Eduardo; García Villar, Ignacio; Gelat, Fabien; Licence, Peter; Luis, Santiago V.; Sans, Victor Elsevier (2010)New polymeric materials containing functional sites analogous to ionic liquids have been synthesized. Those materials are a supported reservoir for the active Pd species. Their catalytic activity has been evaluated for the ... -
Polymer-supported ionic-liquid-like phases (SILLPs): transferring ionic liquid properties to polymeric matrices
Sans, Victor; Karbass, Naima; Burguete, M. Isabel; Compañ, Vicente; Garcia-Verdugo, Eduardo; Luis, Santiago V.; Pawlak, Milena Wiley (2011-01-12)The physico-chemical properties of polymers with ionic-liquid-like moieties covalently bound to their surfaces (SILLPs) have been studied by thermal and spectroscopic techniques, as well as by direct impedance and dielectric ... -
Polymer-supported Pd–NHC complexes: Strategies for the development of multifunctional systems
Sans, Victor; Gelat, Fabien; Burguete, M. Isabel; Garcia-Verdugo, Eduardo; Luis, Santiago V. Elsevier (2012-11)Different strategies to introduce multiple ionic liquid-like functionalities in PS–DVB based polymers in an easy and reproducible way are reported. A basic common structural element has been, in all cases, the presence of ... -
Polymeric ionic liquid-based formulations for the fabrication of highly stable perovskite nanocrystal composites for photocatalytic applications
Miralles-Comins, Sara; Zanatta, Marcileia; Gualdrón Reyes, Andrés Fabián; Rodriguez-Pereira, Jhonatan; Mora-Sero, Ivan; Sans, Victor Royal Society of Chemistry (2023-02-09)Halide perovskite nanocrystals (PNCs) have emerged as potential visible-light photocatalysts because of their outstanding intrinsic properties, including high absorption coefficient and tolerance to defects, which reduces ... -
Recent Developments in Process Digitalisation for Advanced Nanomaterial Syntheses
Iglesias, Diego; Haddad, Dina; Sans, Victor Wiley (2022-12-01)Digitalisation and industry 4.0 are set to profoundly change the way chemical and materials discovery and development work. The integration of multiple enabling technologies such as flow synthesis, automation, analytics, ... -
Recent Developments in the Modelling of Heterogeneous Catalysts for CO2 Conversion to Chemicals
Podrojková, Natália; Sans, Victor; Orinak, Andrej; Oriňaková, Renata Wiley-VCH Verlag (2020-04-06)Density functional theory (DFT) of the CO2 behavior on the catalyst surface provides valuable insights about the C=O bond activation, information about adsorption and dissociation of CO2, understanding the elementary steps ... -
Redox-active hierarchical assemblies of hybrid polyoxometalate nanostructures at carbon surfaces
Amin, Sharad; Cameron, Jamie; Cousins, Richard B.; Wrigley, James; Liirò Peluso, Letizia; Sans, Victor; Walsh, Darren; Newton, Graham Royal Society of Chemistry (2022-03-03)The self-assembly of hierarchical nanostructures on surfaces is a promising strategy for the development of a wide range of new technologies, such as energy-storage devices and sensors. In this work we show that amphiphilic, ... -
Redox‐Active Hybrid Polyoxometalate‐Stabilised Gold Nanoparticles
Martin, Carmen; Kastner, Katharina; Cameron, Jamie; Hampson, Elizabeth; Alves Fernandes, Jesum; Gibson, Emma K.; Walsh, Darren; Sans, Victor; Newton, Graham Wiley (2020-08-17)We report the design and preparation of multifunctional hybrid nanomaterials through the stabilization of gold nanoparticles with thiol‐functionalised hybrid organic–inorganic polyoxometalates (POMs). The covalent attachment ... -
Residence time distribution, a simple tool to understand the behaviour of polymeric mini-flow reactors
Burguete, M. Isabel; Garcia-Verdugo, Eduardo; Luis, Santiago V.; Sans, Victor; Karbass, Naima Royal Society of Chemistry (2012-09)A simple method for the determination of the residence time distribution (RTD) of different polymer-based mini-flow reactors has been developed. The flow patterns have been adjusted employing the axial dispersion model, ... -
State-of-the-art and limitations in the life cycle assessment of ionic liquids
Gonçalves Maciel, Vinícius; Wales, Dominic; seferin, marcus; Ugaya, Cássia; Sans, Victor Elsevier (2019-01-19)Even though the development and use of ionic liquids (ILs) has rapidly grown in recent years, in the literature, information addressing the environmental performance of these substances in a life cycle context is comparatively ... -
Stereoselective chemoenzymatic synthesis of enantiopure 2-(1H-imidazol-yl)cycloalkanols under continuous flow conditions
Burguete, M. Isabel; Luis, Santiago V.; Garcia-Verdugo, Eduardo; Porcar Garcia, Raul; Sans, Victor; Ríos-Lombardía, Nicolás; Gotor Fernández, Vicente; Gotor Fernández, Vicente American Chemical Society (2012-07)The development of continuous flow processes for the synthesis of chiral enantiopure 1-(2-hydroxycycloalkyl)imidazoles is reported. For the ring-opening reaction microwave batch processes and continuous flow reactions have ... -
Supported N-heterocyclic carbene rhodium complexes as highly selective hydroformylation catalysts
Gil, W.; Boczon, K.; Trzeciak, Anna M.; Ziolkowski, Józef J.; Garcia-Verdugo, Eduardo; Luis, Santiago V.; Sans, Victor Elsevier (2009)New supported rhodium(I) catalyst precursors were obtained in reaction of [Rh(OMe)(cod)]<sub>2</sub> with polymeric monoliths containing methyl-imidazolium moieties and applied in 1-hexene hydroformylation at 10 atm of ... -
Towards highly efficient continuous-flow catalytic carbon dioxide cycloadditions with additively manufactured reactors
Valverde Barquero, David; Porcar Garcia, Raul; Zanatta, Marcileia; Alcalde, Sergio; Altava, Belen; Sans, Victor; Garcia-Verdugo, Eduardo The Royal Society of Chemistry (2022-03-22)Developing efficient and sustainable methodologies to transform CO2 into added-value chemicals is an important strategy for decarbonization in the chemical industry. Here, a new multi-scale approach for the cycloaddition ...