Exploració per autor "Colussi, Sara"
Ara es mostren els items 19-27 de 27
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Relevant parameters for the mechanochemical synthesis of bimetallic supported catalysts
Danielis, Maila; Braga, Andrea; Jiménez Divins, Nuria; Llorca Piqué, Jordi; Trovarelli, Alessandro; Colussi, Sara (Multidisciplinary Digital Publishing Institute (MDPI), 2023-12-14)
Article
Accés obertMechanochemical synthesis for the preparation of bimetallic catalysts is gaining increasing interest, and in recent years, some important milestones have been reached. However, the complexity of mechanochemically prepared ... -
Room temperature oxidation of formaldehyde on Pt-based catalysts: A comparison between ceria and other supports (TiO2, Al2O3 and ZrO2)
Colussi, Sara; Boaro, Marta; De Rogatis, Loredana; Pappacena, Alfonsina; de Leitenburg, Carla; Llorca Piqué, Jordi; Trovarelli, Alessandro (2015-09-15)
Article
Accés obertPlatinum-based catalysts for the room temperature removal of formaldehyde are prepared on ceria and other supports (TiO2, Al2O3 and ZrO2) for comparison, starting from chloride and nitrate precursors. The behaviour towards ... -
Room-temperature Suzuki-Miyaura reaction catalyzed by Pd supported on rare earth oxides: Influence of the point of zero charge on the catalytic activity
Amoroso, Francesco; Colussi, Sara; del Zotto, Alessandro; Llorca Piqué, Jordi; Trovarelli, Alessandro (2013-06-01)
Article
Accés restringit per política de l'editorialFive Pd/REO (rare earth oxide) compounds (Pd/La2O3, Pd/CeO2, Pd/Pr6O11, Pd/Sm2O 3, and Pd/Gd2O3) have been successfully used as precatalysts in the Suzuki-Miyaura C-C cross-coupling reaction of aryl bromides with arylboronic ... -
Structural evolution of bimetallic PtPd/CeO2 methane oxidation catalysts prepared by dry milling
Mussio, Andrea; Danielis, Maila; Jiménez Divins, Nuria; Llorca Piqué, Jordi; Colussi, Sara; Trovarelli, Alessandro (2021-06-02)
Article
Accés obertBimetallic Pt–Pd catalysts supported on ceria have been prepared by mechanochemical synthesis and tested for lean methane oxidation in dry and wet atmosphere. Results show that the addition of platinum has a negative effect ... -
Structure and morphology of Pd/Al2O3 and Pd/CeO2/Al2O3 combustion catalysts in Pd–PdO transformation hysteresis
Colussi, Sara; Trovarelli, Alessandro; Vesselli, Erik; Baraldi, Alessandro; Comelli, Giovanni; Groppi, Gianpiero; Llorca Piqué, Jordi (2010)
Article
Accés restringit per política de l'editorialCatalytic combustion of methane has been studied for many years due to its applications in power generation and emissions clean-up. Among different catalysts, Pd-based materials are the most active for the catalytic ... -
Surface faceting and reconstruction of ceria nanoparticles
Yang, Chengwu; Yu, Xiaojuan; Heissler, Stefan; Nefedov, Alexei; Colussi, Sara; Llorca Piqué, Jordi; Trovarelli, Alessandro; Wang, Yuemin; Woell, Christof (2017-01-02)
Article
Accés obertThe surface atomic arrangement of metal oxides determines their physical and chemical properties, and the ability to control and optimize structural parameters is of crucial importance for many applications, in particular ... -
The dynamics of PdO-Pd phase transformation in the presence of water over Si-doped Pd/CeO 2 methane oxidation catalysts
Toso, Alessandra; Colussi, Sara; Llorca Piqué, Jordi; Trovarelli, Alessandro (2019-03-25)
Article
Accés obertOne of the main issues for the catalytic abatement of methane from natural gas fueled vehicles over Pd-based materials is due to the large amount of water vapor in the exhausts, which can severely deactivate the catalyst. ... -
The effect of ceria on the dynamics of CuO-Cu2O redox transformation: CuO-Cu2O hysteresis on ceria
Colussi, Sara; Amoroso, Francesco; Katta, Lakshmi; Llorca Piqué, Jordi; Trovarelli, Alessandro (2014-06-01)
Article
Accés restringit per política de l'editorialCuO supported on ceria and alumina is prepared by incipient wetness impregnation and its redox behavior is investigated by means of XRD, XPS and TPO experiments. CuO on ZrO2 and on ceria-zirconia are also synthesized for ... -
The effect of milling parameters on the mechanochemical synthesis of Pd-CeO2 methane oxidation catalysts
Danielis, Maila; Colussi, Sara; de Leitenburg, Carla; Soler Turu, Lluís; Llorca Piqué, Jordi; Trovarelli, Alessandro (2019-01-01)
Article
Accés obertThe preparation of catalytic materials via mechanochemical routes is a very promising alternative to complex wet chemical syntheses due to its simplicity, versatility and ecological advantages. The mechanical mixing of Pd ...