Exploració per autor "Llorca Piqué, Jordi"
Ara es mostren els items 1-20 de 347
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3D printed microstructured Au/TiO2 catalyst for hydrogen photoproduction
Elkoro Ugarteburu, Ander; Soler Turu, Lluís; Llorca Piqué, Jordi; Casanova Hormaechea, Ignasi (Elsevier, 2019-06-25)
Article
Accés obertWe successfully 3D printed Au/TiO2 monoliths for photogenerating hydrogen from water/ethanol gaseous mixtures under dynamic conditions. Monolith designs were printed by additive superposition of microfilaments of titania-based ... -
4-Mercaptophenyldiphenylphosphine as linker to immobilize Pd onto the surface of magnetite nanoparticles. Excellent catalytic efficiency of the system after partial linker removal
Guarnizo, A; Angurell Purroy, Inmaculada; Rosell, Monica; Llorca Piqué, Jordi; Müller Jevenois, Guillermo; Seco, M; Rossell Alfonso, Josep Oriol (2015-10-27)
Article
Accés obertThis journal is © The Royal Society of Chemistry. The molecule 4-mercaptophenyldiphenylphosphine (Sdp) has been synthesized for use as a linker to immobilize Pd nanoparticles onto the surface of magnetite nanoparticles. ... -
7 - Hydrogen production in microreactors
Soler Turu, Lluís; Jiménez Divins, Nuria; Vendrell Villafruela, Xavier; Serrano Carreño, M. Isabel; Llorca Piqué, Jordi (Elsevier, 2020-07-24)
Capítol de llibre
Accés restringit per política de l'editorialCatalytic microreactors constitute a crucial technology for process intensification in the production of hydrogen, particularly for on-site and/or onboard applications intended to feed fuel cells. This chapter describes ... -
A comparative study of water-immiscible organic solvents in the production of furfural from xylose and birch hydrolysate
Gómez Millán, Gerardo; Hellsten, Sanna; King, Alistair W.T.; Pokki, Juha-Pekka; Llorca Piqué, Jordi; Sixta, Herbert (2019-04-25)
Article
Accés obertFurfural (FUR) was produced from xylose using a biphasic batch reaction system. Water-immiscible organic solvents such as isophorone, 2-methyltetrahydrofuran (2-MTHF) and cyclopentyl methyl ether (CPME) were used to promptly ... -
A CrMnFeCoNi high entropy alloy boosting oxygen evolution/reduction reactions and zinc-air battery performance
He, Ren; Yang, Linlin; Zhang, Yu; Wang, Xiang; Lee, Seungho; Zhang, Ting; Li, Lingxiao; Liang, Zhifu; Chen, Jingwei; Li, Junshan; Moghaddam, Ahmad Ostovari; Llorca Piqué, Jordi; Ibánez, María; Arbiol Cobos, Jordi; Xu, Ying hao; Cabot, Andreu (Elsevier, 2023-04-01)
Article
Accés restringit per política de l'editorialThe development of cost-effective, high-activity and stable bifunctional catalysts for the oxygen reduction and evolution reactions (ORR/OER) is essential for zinc–air batteries (ZABs) to reach the market. Such catalysts ... -
A direct Z-scheme for the photocatalytic hydrogen production from a water ethanol mixture on CoTiO3/TiO2 heterostructures
Xing, Congcong; Liu, Yongpeng; Zhang, Yu; Wang, Xiang; Guardia, Pablo; Yao, Liang; Han, Xu; Zhang, Ting; Arbiol Cobos, Jordi; Soler Turu, Lluís; Chen, Yufen; Sivula, Kevin; Guijarro, Néstor; Cabot, Andreu; Llorca Piqué, Jordi (2021-01-01)
Article
Accés obertPhotocatalytic H2 evolution from ethanol dehydrogenation is a convenient strategy to store solar energy in a highly valuable fuel with potential zero net CO2 balance. Herein, we report on the synthesis of CoTiO3/TiO2 ... -
A general approach to fabricate fe3O4 nanoparticles decorated with Pd, Au, and Rh: Magnetically recoverable and reusable catalysts for Suzuki C-C cross-coupling reactions, hydrogenation, and sequential reactions
Gonzàlez de Rivera, Ferran; Angurell Purroy, Inmaculada; Rossell Abrodos, Marta-Dacil; Erni, Rolf P.; Llorca Piqué, Jordi; Jiménez Divins, Nuria; Müller Jevenois, Guillermo; Seco García, Miquel Angel; Rossell Alfonso, Josep Oriol (2013-09-02)
Article
Accés restringit per política de l'editorialA facile strategy has been explored for loading noble metals onto the surface of ferrite nanoparticles with the assistance of phosphine-functionalized linkers. Palladium loading is shown to occur with participation of both ... -
A high conductivity 1D p–d conjugated metal–organic framework with efficient polysulfide trapping-diffusion-catalysis in lithium–sulfur batteries
Yang, Dawei; Liang, Zhifu; Tang, Pengyi; Zhang, Chaoqi; Tang, Mingxue; Li, Qizhen; Jacas Biendicho, Jordi; Li, Junshan; Heggen, Marc; Dunin-Borkowski, Rafal E.; Xu, Ming; Llorca Piqué, Jordi; Arbiol Cobos, Jordi; Morante, Joan Ramon; Chou, Shu-Lei; Cabot, Andreu (John Wiley & sons, 2022-03-10)
Article
Accés obertThe shuttling behavior and sluggish conversion kinetics of the intermediate lithium polysulfides (LiPS) represent the main obstructions to the practical application of lithium–sulfur batteries (LSBs). Herein, a 1D p–d ... -
A low temperature solid state reaction to produce hollow MnxFe3-xO4 nanoparticles as anode for lithium-ion batteries
Yu, Xiaoting; Zhang, C.; Luo, Zhishan; Liu, Junshan; Zuo, Yong; Jacas Biendicho, Jordi; Llorca Piqué, Jordi; Arbiol, Jordi; Morante Lleonart, Joan Ramon; Cabot, Andreu (2019-12-01)
Article
Accés obertHollow MnxFe3-xO4 nanoparticles (NPs) with an average size of 15¿nm are produced from the solid state reaction of Fe3O4–Mn3O4 heterostructures. These heterostructures are synthesized through the seeded-growth of Mn3O4 ... -
A luminescent hydrogel based on a new Au(i) complex
Gavara, Raquel; Llorca Piqué, Jordi; Lima, Joao Carlos; Rodríguez Raurell, Laura (2013-01-04)
Article
Accés restringit per política de l'editorialThe reaction of the water soluble phosphine 1,3,5-triaza-7-phosphaadamantane (PTA) with [Au(CRC–C5H4N)]n yields the highly luminescent water soluble [(PTA)Au(4-pyridylethynyl)] complex. A detailed analysis of the compound ... -
A million-channel CO-PrOx microreactor on a fingertip for fuel cell application
Llorca Piqué, Jordi; Rosell, O.; Divins, N.J.; López, E.; Roig Costa, Maria; Todorov Trifonov, Trifon; Rodríguez Martínez, Ángel; González de Rivera, F.; Rodríguez, L.I.; Seco, M. (2010)
Article
Accés restringit per política de l'editorialA silicon micromonolith containing ca.40000 regular channels of 3.3 μm in diameter per square millimeter has been successfully functionalized with anAu/TiO2 catalyst for CO preferential oxidation(CO-PrOx) in the presence ... -
A million-microchannel multifuel steam reformer for hydrogen production
Jiménez Divins, Nuria; Todorov Trifonov, Trifon; Rodríguez Martínez, Ángel; Llorca Piqué, Jordi (2020-05-05)
Article
Accés obertA functionalized silicon micromonolith of 7 mm in diameter and 210 μm-thick was evaluated for the production of hydrogen from the steam reforming (SR) of various fuels, containing different functional groups, such as ... -
A nafion film cover to enhance the analytical performance of the CuO/Cu electrochemical sensor for determination of chemical oxygen demand
Carchi, Tany; Lapo, Byron; Alvarado, José; Espinoza Montero, Patricio J.; Llorca Piqué, Jordi; Fernández, Lenys (Multidisciplinary Digital Publishing Institute (MDPI), 2019-02-06)
Article
Accés obertWe modified and evaluated the performance of a CuO/Cu electrochemical electrode for chemical oxygen demand (COD) determination by covering it with a Nafion (Nf) film. The resulting modified CuONf/Cu electrode sensor was ... -
A Pd/Al2O3-based micro-reformer unit fully integrated in silicon technology for H-rich gas production
Bianchini, Marco; Alayo, Nerea; Soler Turu, Lluís; Salleras, M.; Fonseca Chácharo, Luis; Llorca Piqué, Jordi; Tarancón Rubio, Albert (Institute of Physics (IOP), 2019-11-01)
Article
Accés obertThis work reports the design, manufacturing and catalytic activity characterization of a micro-reformer for hydrogen-rich gas generation integrated in portable-solid oxide fuel cells (µ-SOFCs). The reformer has been designed ... -
A plausible link between the asteroid 21 Lutetia and CH carbonaceous chondrites
Moyano Cambero, Carles E.; Trigo-Rodríguez, José María; Llorca Piqué, Jordi; Fornasier, Sonia; Barucci, Maria Antonietta; Rimola, Albert (2016-10-01)
Article
Accés obertA crucial topic in planetology research is establishing links between primitive meteorites and their parent asteroids. In this study, we investigate the feasibility of a connection between asteroids similar to 21 Lutetia, ... -
A SnS2 molecular precursor for conformal nanostructured coatings
Zuo, Yong; Li, Junshan; Yu, Xiaoting; Du, Ruifeng; Zhang, Ting; Wang, Xiang; Arbiol, Jordi; Llorca Piqué, Jordi; Cabot, Andreu (American Chemical Society (ACS), 2020-02-11)
Article
Accés obertWe present a simple, versatile, and scalable procedure to produce SnS2 nanostructured layers based on an amine/thiol-based molecular ink. The ratios amine/thiol and Sn/S, and the reaction conditions, are systematically ... -
A straightforward method to prepare supported Au clusters by mechanochemistry and its application in photocatalysis
Chen, Yufen; Soler Turu, Lluís; Xie, Chenyang; Vendrell Villafruela, Xavier; Serafin, Jaroslaw; Crespo Artiaga, Daniel; Llorca Piqué, Jordi (Elsevier, 2020-12)
Article
Accés obertReducing the metal particle size on semiconductor-based materials from a few nanometers down to well-dispersed clusters or single atoms has been demonstrated to be an effective strategy to enhance the photocatalytic ... -
Absorption mechanisms in macroporous silicon photonic crystals
Segura García, Daniel; Cardador Maza, David; Rodríguez Martínez, Ángel; Llorca Piqué, Jordi (Elsevier, 2019-01-01)
Article
Accés obertWe investigate the large differences classically found in literature between theoretical and empirical results in the optical characterization of macroporous silicon photonic crystals. Mainly, we study the impact of two ... -
Activating the lattice oxygen oxidation mechanism in amorphous molybdenum cobalt oxide nanosheets for water oxidation
Wang, Xiang; Xing, Congcong; Liang, Zhifu; Guardia, Pablo; Han, Xu; Zuo, Yong; Llorca Piqué, Jordi; Arbiol Cobos, Jordi; Li, Junshan; Cabot, Andreu (2022-02-21)
Article
Accés obertThe cost-effective deployment of several key energy technologies, such as water electrolysis, CO2 electroreduction and metal–air batteries, relies on the design and engineering of cost-effective catalysts able to accelerate ... -
Al2O3-supported Pt/Rh catalysts for NOx removal under lean conditions
Castoldi, Lidia; Matarrese, Roberto; Daturi, Marco; Llorca Piqué, Jordi; Lietti, Luca (2019-07-05)
Article
Accés obertIn this work the reactivity of Pt-Rh NOx storage-reduction (NSR) catalysts in the reduction of NOx under lean conditions is investigated. It is found that significant amounts of NOx are stored on both Rh- and Pt-based ...