493 search results for “critical metals” in the Public website
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Surface Reactivity of Activated CO2 Selective use of energy in splitting CO2
Juurlink
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Catalysis and Surface Chemistry
In the Catalysis and Surface Chemistry group, we investigate how catalysis works on the molecular level. The group is divided in six subgroups, focusing on different aspects of heterogeneous catalysis, homogeneous catalysis and electrocatalysis.
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Francesco Ragazzi
Faculteit der Sociale Wetenschappen
f.ragazzi@fsw.leidenuniv.nl | +31 71 527 2727
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Colloquium: Polymeric heterogeneous water oxidation catalysts with molecular metal sites
Lecture
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Our technology: Cathodic Corrosion Method (CCM)
Cathodic corrosion for producing nanoparticles was (re)discovered when trying to control the electrochemical etching of a scanning tunneling microscopy (STM) tip.
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International Resource Panel
Contributions to the UNEP international panel for sustainable resource management
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Toxicity, bioaccumulation and trophic transfer of engineered nanoparticles in the aquatic environment
The findings in this thesis improve the understanding of 1) the relationship between exposure characteristics and toxicity of ENPs, 2) the joint toxic action of ENP mixtures and the comparison to metal salt mixtures, 3) how NOM affects the individual and joint toxicity of ENPs, 4) the extent of trophic…
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Holographic Duality in Condensed Matter Physics
The physics of black holes appears to be as far removed from the physics of electrons in metals as it can be.
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Towards superconducting spintronics with RuO2 and CrO2 nanowires
CrO2, a half-metal ferromagnet, has shown great promise for superconducting spintronics applications for nearly two decades.
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Spin Transport and Superconductivity in Half-metallic Nanowires and Junctions
PhD defence
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‘You want to train doctors who will keep asking critical questions’
Determined, innovative lecturers are the driving force behind our teaching. Alexandra Langers, a specialist in gastroenterology and hepatology at the LUMC, is an active educator, both within and outside the hospital. She passed the Senior Teaching Qualification at the end of last year. ‘I want to cultivate…
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Critical of the risks: research into the experiences of military observers
For his PhD, historian and army major Dion Landstra researched the effectiveness of observers in peace operations in the Balkans between 1991 and 1995. What risks are acceptable for bringing about and maintaining peace? Landstra will defend his PhD on 28 September.
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Common Market Law Review Editorial Board critical of Brexit referendum campaign
Statement from the Editorial Board of the Common Market Law Review regarding the UK Brexit referendum campaign:
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Colloquium: Theoretical studies of the structure and catalytic activity of metal nanoclusters
Lecture
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Life after the Grand Jamboree: Wrapping-up iGEM
‘A challenging rollercoaster, but also a very bonding and insightful experience,’ that’s how the team of iGEM Leiden 2022 wraps up their participation in the iGEM contest. The contest for synthetic biology climaxed during the Grand Jamboree in Paris. The team ended up in the top 10 of over 360 teams…
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MICA – Material Intelligence Capacity Analysis
Can we develop a platform for raw materials intelligence?
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Real-time foresight: preparedness for dynamic innovation networks
Promotor: H.J. van den Herik, B.R. Katzy, Co-promotor: K. Sailer
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Elena Paskaleva
Faculty of Humanities
e.g.paskaleva@hum.leidenuniv.nl | +31 71 527 1692
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Nidesh Lawtoo
Faculty of Humanities
n.lawtoo@hum.leidenuniv.nl | +31 71 527 2644
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Paula Harvey
Faculty of Humanities
p.j.harvey.2@umail.leidenuniv.nl | +31 71 527 2727
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CO2 reduction on post-transition metals and their alloys: an industrial approach
PhD defence
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A smarter approach to energy and raw materials
Over the past century, the world population has grown exponentially, as has our need for energy and raw materials. If we wish to continue to live prosperously in the future, we have to radically restructure our economy and consumption. Scientific research shows us how to do this.
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Research
Research at the Macromolecular Biochemistry group is comprised of the following research themes:
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A smarter approach to energy and raw materials
Over the past century, the world population has grown exponentially, as has our need for energy and raw materials. If we wish to continue to live prosperously in the future, we have to radically restructure our economy and consumption. Scientific research shows us how to do this.
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Prior Research
The van Exter group has an extensive history of prior research in classical and quantum optics. As former part of the group of Han Woerdman, we have studied topics as diverse as:
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Fighting cancer with light (and a drug that self-assembles into nanoparticles)
Chemotherapy that does not harm the body, but effectively fights cancer cells: that is the goal of chemist Sylvestre Bonnet and his team. During his PhD research, chemist Xuequan Zhou brought that goal a little closer. He developed molecules that, upon injection in the bloodstream, self-assemble into…
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Fundamental Research in Chemical Biology
Chemical biology research at the Leiden Institute of Chemistry is aimed at understanding biological processes at the molecular level to strengthen the knowledge base of human health and disease. The approach to achieve this goal is a fundamental chemical one; with the aid of chemical probes biological…
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The iconography of Avalokiteśvara in Java
Sofia Sundström defended her thesis on 5 March 2020.
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Surface-structure dependence of water-related adsorbates on platinum
Promotor: M.T.M. Koper, Co-promotor: J.B.F. Juurlink
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Voices in stone: Studies in Luwian historical phonology
On the 12th of November, Xander Vertegaal successfully defended a doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Xander on this achievement!
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Fluorescence Correlation Spectroscopy on Electron Transfer Reaction: Probing Inter- and Intramolecular Redox Processes
Promotores: G.W. Canters, T.J. Aartsma
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Feeding the Byzantine City
The Archaeology of Consumption in the Eastern Mediterranean (ca. 500-1500)
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Highly Efficient Activation of HCl Dissociation on Au(111) via Rotational Preexcitation
The probability for dissociation of molecules on metal surfaces, which often controls the rate of industrially important catalytic processes, can depend strongly on how energy is partitioned in the incident molecule. There are many example systems where the addition of vibrational energy promotes reaction…
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Electrocatalysis for sustainable energy
Marc Koper’s research focuses on electrocatalysis and electrochemical surface science for sustainable energy and chemistry. Reactions of interest are the redox reactions of the oxygen/hydrogen cycle (water oxidation, hydrogen evolution), the carbon cycle (reduction of carbon dioxide, oxidation of small…
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Scattering and absorption in 2D optics
Scattering of light in the presence of nano-structured materials, i.e. with features in the order of the wavelength of the light or smaller, reveals details of how light interacts with matter at the nanoscale.
- Martina Huber Lab - EPR Group
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Nanomaterial safety for microbially-colonized hosts: Microbiota-mediated physisorption interactions and particle-specific toxicity
The external tissues of plants and animals are colonized by microbial communities termed microbiota. When organisms are exposed to environmental pollutants, these substances will therefore encounter microbiota at the exposure interface.
- Institute of Environmental Sciences
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Lahabi Lab - Quantum Materials and Devices
Kaveh Lahabi's lab explores the exotic physics of quantum materials, whose underlying physics seems to have more in common with elementary particles and black holes, than ordinary metals and semiconductors.
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Ingredients of the planet-formation puzzle
High-angular-resolution observations of the circumstellar material have uncovered numerous and very diverse substructures in protoplanetary discs, raising the question of whether they are caused by forming planets or other mechanisms.
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Towards understanding the toxicity of copper nanoparticles in aquatic ecosystems
Promotores: Prof.dr. W.J.G.M. Peijnenburg & Dr. M.G. Vijver
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More than people and pots: identity and regionalization in Ancient Egypt during the second intermediate period, ca. 1775-1550 BC
On the 23rd of June Arianna Sacco successfully defended a doctoral thesis and graduated.
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Macromolecular Biochemistry
Macromolecular Biochemistry is a section of the Leiden Institute of Chemistry at Leiden University, comprising the PIs Marcellus Ubbink, Remus Dame, Aimee Boyle, Lars Jeuken and Anne Wentink.
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China’s industrial carbon emissions: Historical drivers at the regional and sectoral levels and projections in light of policy
This thesis studied in depth the energy use and CO2 emissions of the industrial sector in China.
- Events
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LCCP Symposium Critical Phenomenologies
Conference
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Report: what does our urban mine have to offer?
On 21 January, the Institute of Environmental Sciences (CML) has released two reports on circular economy and urban mining in the Netherlands. In them, together with Statistics Netherlands, they take stock of part of the Dutch ‘urban mine’: how much raw material can we reuse from the electricity grid,…
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Ancient Charm
The aim of ANCIENT CHARM was to develop neutron-imaging techniques and the associated equipment, and help establish neutron imaging as a mainstream archaeological analytical technique. In particular, one of the goals was a new imaging technique which called neutron resonant capture imaging combined…
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The interplay between stars, gas and dust in faint star-forming galaxies
When observing star-forming galaxies, we are not only seeing stellar light, but we also see how this interacts with galactic gas and dust. This thesis contains studies of the stellar, nebular and dust properties of low mass star-forming galaxies.
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An archaeology of skill
Metalworking Skill and Material Specialization in Early Bronze Age Central Europe