[EN] Sub-nanometric Cu clusters formed by endogenous
reduction of Cu salts and Cu nanoparticles are active
and selective catalysts for C−N, C−C, C−O, C−S, and C−P
bond-forming reactions. Sub-nanometric Cu clusters ...
[EN] Modulating the structures of subnanometric metal clusters at the atomic level is a great synthetic and characterization challenge in catalysis. Here, we show how the catalytic properties of subnanometric platinum ...
[EN] The design of suitable catalysts for the one-pot conversion of glycerol into acrylic acid (AA) is a complex matter, as only fine-tuning of the redox and acid properties makes it possible to obtain significant yields ...
Liu, Lichen; Puga, Alberto V.; Cored-Bandrés, Jorge; Concepción Heydorn, Patricia; Pérez-Dieste, Virginia; García Gómez, Hermenegildo; Corma Canós, Avelino(Elsevier, 2018-11-05)
[EN] The hydrogenation of CO2 into hydrocarbons promoted by the action of sunlight has been studied on Co nanoparticles covered by thin carbon layers. In particular, nearly 100% selectivity to hydrocarbons is obtained with ...
Kim, Jonglack; Sarma, Bidyut B.; Andres-Marcos, Eva; Pfaender, Norbert; Concepción Heydorn, Patricia; Prieto González, Gonzalo(American Chemical Society, 2019-11-01)
[EN] Oxide-supported copper nanoparticles exhibit promising properties as catalysts for the selective hydrogenation of CO2 to methanol. Both reaction rate and selectivity depend conspicuously on the nature of the oxide ...
Primo Arnau, Ana María; Concepción Heydorn, Patricia; Corma Canós, Avelino(Royal Society of Chemistry, 2011)
Ruthenium nanoparticles supported on titania are over three times more active than conventional ruthenium on carbon for the hydrogenation of lactic acid. This superior catalytic activity can be due to a combined action of ...
Alves, Leonor; Ballesteros, Belén; Boronat Zaragoza, Mercedes; Cabrero Antonino, Jose Ramón; Concepción Heydorn, Patricia; Corma Canós, Avelino; Correa-Duarte, Miguel Ángel; Mendoza, Ernest(American Chemical Society, 2011-06-02)
Small gold nanoclusters in a very narrow size distribution (1.1 ( 0.5 nm) have been
stabilized onto multiwalled carbon nanotubes (MWCNT). Theoretical studies supported by XPS and
16O2
/
18O2
isotopic exchange experiments ...
[EN] We present a highly selective and active Pd carbon catalyst prepared by an easy hydrothermal synthesis method. This synthetic procedure allows the stabilization under mild conditions of interstitial carbon atoms on ...
Dhakshinamoorthy, Amarajothi; Asiri, Abdullah M.; Concepción Heydorn, Patricia; García Gómez, Hermenegildo(The Royal Society of Chemistry, 2017)
[EN] A convenient method for the synthesis of borasiloxanes from silanes and pinacolboranes using Cu-3(BTC)(2) as a heterogeneous catalyst in acetonitrile at 70 degrees C is reported. This procedure is more convenient than ...
This paper focuses on the design of an innovative air-conditioning system, namely a magnetocaloric air-conditioner for an electric minibus. An integrated design of the complete system is necessary, as the hot and cold side ...
De Arriba-Mateos, Agustín; Solsona, Benjamin; Garcia-Gonzalez, Ester; Concepción Heydorn, Patricia; López Nieto, José Manuel(Elsevier, 2022-08-05)
[EN] Undoped and Te-doped MoV-Oxide (M1 phase) catalysts have been prepared hydrothermally (Te/Mo ratio in the synthesis gel from 0 to 0.17; and heat-treated at 400 or 600ºC in N2 atmosphere), characterized by several ...
[EN] We first studied the reactivity of H2O vapor in metal-organic frameworks (MOFs) with Pt nanocrystals (NCs) through the water-gas shift (WGS) reaction. A water-stable MOF, UiO-66, serves as a highly effective support ...
[EN] For ex-nitrate Co/SiO2 Fischer Tropsch synthesis (FTS) catalysts, the influence of the early thermal treatments during catalyst synthesis on the ultimate catalytic properties is studied without overlapping of
particle ...
[EN] A series of Co-Ru/TiO2 catalysts (10 wt% Co, 0.5 wt% Ru, nominal loadings) were prepared by impregnation of
TiO2-anatase supports synthesized with different specific surface areas (Ti-L: 53 m2
/g, Ti-M: 117 m2
/g, and ...
Moussa, Sara; Concepción Heydorn, Patricia; Arribas Viana, Maria De Los Desamparados; MARTINEZ FELIU, AGUSTIN(Elsevier, 2020-11-25)
[EN] Although nickel dispersed in mesoporous aluminosilicates are efficient catalysts for the oligomerization of ethylene, the nature of the active nickel sites still remains controversial. Here we applied in situ FTIR-CO ...
Concepción Heydorn, Patricia; Perez, Yolanda; Hernandez-Garrido, J. C.; Fajardo, Mariano; Calvino, J. J.; Corma Canós, Avelino(Royal Society of Chemistry, 2013)
Pt impregnated on a Sn-beta catalyst results in a very promising catalyst for the selective hydrogenation of alpha,beta-unsaturated aldehydes, compared to the PtSn co-impregnated beta catalysts. Framework tin ions in the ...
Soriano Rodríguez, Mª Dolores; Garcia-Gonzalez, E.; Concepción Heydorn, Patricia; Rodella, C.B.; López Nieto, José Manuel(American Chemical Society, 2017)
[EN] The thermal transformation of hydrothermally prepared Cs-Nb-W-O mixed oxides has been studied in the 25-1000 degrees C temperature range. Structural evolution of the prepared solids was monitored by in situ synchrotron ...
[EN] Pure anatase and rutile TiO2 samples were synthesized by thermal treatment of reverse microemulsions
and applied as supports for preparing Ru-promoted Co catalysts (0.5 wt% Ru, 10 wt% Co). The catalysts
were characterized ...
Delgado-Muñoz, Daniel; Concepción Heydorn, Patricia; Trunschke, Annette; López Nieto, José Manuel(The Royal Society of Chemistry, 2020-10-14)
[EN] Materials from the WO3-Nb2O5 system, presenting bronze-type crystal structures, display outstanding functional properties for several applications as thermoelectric materials, lithium-ion battery electrodes, or ...
[EN] Tungsten oxide bronze-based materials show extremely adaptive structural and compositional features that make them suitable for functional properties modulation. Herein we report the preparation of a series of ...