Semipinacol Rearrangement of Cyclopropenylcarbinols for the Synthesis of Highly Substituted Cyclopropanes

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Atomic scale investigations of fracture in metal alloys

The demand for metal alloys with superior structural performance in industrial applications continues to increase, as does the need for more-energy efficient materials and methods. Many materials that are otherwise attractive for structural applications ar ...

EPFL2021

Efficient Hydrogen Oxidation Catalyzed by Strain-Engineered Nickel Nanoparticles

Xile Hu, Pascal Alexander Schouwink, Weiyan Ni, Teng Wang

The hydroxide-exchange membrane fuel cell (HEMFC) is a promising energy conversion device. However, the development of HEMFC is hampered by the lack of platinum-group-metal-free (PGM-free) electrocatalysts for the hydrogen oxidation reaction (HOR). Now, a ...

Wiley-VCH Verlag GmbH2020

Metal organic frameworks and methods for using thereof

Paul Joseph Dyson, Berend Smit, Fatmah Ebrahim, Serhii Shyshkanov, Kyriakos Stylianou, Ngoc Tú Nguyên

The invention features metal-organic frameworks (MOFs) having a crystalline lattice comprising metallic nodes and organic ligands, wherein each organic ligand comprises a Lewis acidic or basic centre bound to N conjugated systems, wherein N is comprised be ...

2020

Light-active Metal-Organic Frameworks for Photocatalytic Hydrogen Evolution

Stavroula Kampouri

The general scope of this thesis lies in the application of MOFs in photocatalysis. MOFs demonstrate inherent properties â such as high porosity, tunable optoelectronic and catalytic properties, which render them promising candidates for photocatalysis. ...

EPFL2020

Characterization of metal organic frameworks of interest for gas adsorption/separation applications

Mehrdad Asgari

Metal-Organic Frameworks (MOFs) are a class of porous materials that are applicable in many energy and environmentally relevant areas, due to their unique features including unprecedented internal surface areas and easy chemical tunability. Gas separation ...

EPFL2020

Catalyst design for C-O bond hydrogenolysis of renewable materials

Antoine Philippe Van Muyden

Anthropogenic carbon dioxide emissions leading to climate change require to use of renewable carbon sources such as CO2 and biomass which differ from fossil resources by having a higher number of oxygen atoms. Therefore, catalytic C-O bond cleavage will pl ...

EPFL2020

Metal Soap Membranes for Gas Separation

Kumar Varoon Agrawal, Jian Hao, Davide Campi, Deepu Joseph Babu, Qi Liu

Metal soaps or metal alkanoates are metal-organic complexes held together with metal cations and the functional groups of hydrocarbon chains. They can be synthesized at a high yield by simply mixing the metal and organic sources, forming crystalline framew ...

2020

Engineering the ZrO2–Pd Interface for Selective CO2 Hydrogenation by Overcoating an Atomically Dispersed Pd Precatalyst

Jeremy Luterbacher, Oliver Kröcher, Mounir Driss Mensi, Florent Emmanuel Héroguel, Yuan-Peng Du, Alimohammad Bahmanpour, Luka Milosevic

Tailoring the interfacial sites between metals and metal oxides can be an essential tool in designing heterogeneous catalysts. These interfacial sites play a vital role in many renewable applications, for instance, catalytic CO2 reduction. Postsynthesis de ...

2020

Unraveling and optimizing the metal-metal oxide synergistic effect in a highly active Co (CoO)1– catalyst for CO2 hydrogenation

Andreas Züttel, Emanuele Moioli, Loris Giovanni Lombardo, Wen Luo, Kun Zhao, Mo Li, Robin Tobias Andreas Mutschler, Marco Calizzi, Alexandre Borsay

The relation between catalytic reactivities and metal/metal oxide ratios, as well as the functions of the metal and the metal oxides were investigated in the CO2 hydrogenation reaction over highly active Cox(CoO)1–x catalysts in operando. The catalytic rea ...

2020

Synthesis of heterogeneous catalysts with metal oxide overcoat for renewable catalysis applications

Yuan-Peng Du

Metal oxide deposition is an emerging synthetic technique for designing heterogeneous catalysts. Depositing a nanoscale overcoat of metal oxide on heterogeneous catalysts can modify their structural and chemical characteristics. Many deposition approaches, ...

EPFL2020

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Unraveling and optimizing the metal-metal oxide synergistic effect in a highly active Co (CoO)1– catalyst for CO2 hydrogenation

Andreas Züttel, Emanuele Moioli, Loris Giovanni Lombardo, Wen Luo, Kun Zhao, Mo Li, Robin Tobias Andreas Mutschler, Marco Calizzi, Alexandre Borsay

2020

Synthesis of heterogeneous catalysts with metal oxide overcoat for renewable catalysis applications

Yuan-Peng Du

EPFL2020