631 zoekresultaten voor “sustainability informatie” in de Publieke website
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Examencommissie
De examencommissie van de Honours Academy stelt vast of de student voldoet aan de eisen van het desbetreffende honoursprogramma en behandelt uitzonderingsverzoeken.
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Ontmoet ons team
Vind ons team en posities hieronder. Om contact op te nemen met een specifiek lid verzoeken we u vriendelijk om een een e-mail naar greenoffice@leidenuniv.nl te sturen met hun naam in de onderwerpregel.
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Duurzaamheid in onderwijs
De universiteit streeft ernaar dat alle studenten in hun opleiding kennismaken met duurzaamheidsthema’s en -vraagstukken, die zoveel mogelijk aansluiten bij de inhoud van hun opleiding.
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Extra uitdaging
Wil je graag iets extra’s doen naast je studie? Daar is bij de Universiteit Leiden alle ruimte voor.
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Extra uitdagingen
Wil je graag wat extra’s doen naast je studie? Daar is tijdens je studie bij de Universiteit Leiden en TU Delft alle ruimte voor.
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Extra uitdaging
Soms wil je je verdiepen of juist je horizon verbreden. Voor excellente studenten hebben we speciale programma's.
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Extra uitdagingen
Wil je graag wat extra’s doen naast je studie? Daar is tijdens bij de Universiteit Leiden en TU Delft alle ruimte voor.
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Extra uitdaging
Ben je nieuwsgierig, ambitieus en wil je meer doen dan alleen je reguliere studie? Verbreed dan je horizon via het honoursonderwijs van de Universiteit Leiden, doe relevante werkervaring op tijdens een leuke stage of spijker je kennis bij van muziek en beeldende kunst aan de Academy of Creative and…
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Extra uitdaging
Heb je een brede interesse en wil je extra uitdaging? Kies dan een dubbele propedeuse of dubbele bachelor van Wiskunde met Informatica, Natuurkunde of Sterrenkunde. Ook kun je zoveel extra keuzevakken doen als je aankunt, en bieden we een honoursprogramma aan.
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Slimmer omgaan met energie en materialen
De wereldbevolking is in de afgelopen eeuw exponentieel gegroeid, en daarmee ook onze behoefte aan energie en materialen. Willen we in de toekomst ook in welvaart leven, dan zullen we onze economie en consumptie radicaal anders moeten inrichten. Wetenschappelijk onderzoek laat zien hoe dat kan.
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Slimmer omgaan met energie en materialen
De wereldbevolking is in de afgelopen eeuw exponentieel gegroeid, en daarmee ook onze behoefte aan energie en materialen. Willen we in de toekomst ook in welvaart leven, dan zullen we onze economie en consumptie radicaal anders moeten inrichten. Wetenschappelijk onderzoek laat zien hoe dat kan.
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Extra uitdagingen
Wil je extra uitdaging? Je kunt aan het honours programma deelnemen. Met de studierichting Informatica kan je kiezen voor een dubbele bachelor met Wiskunde.
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Perovskite-based Photoelectrochemical Investigations for Artificial Photosynthesis
Inspired by natural photosynthesis, perovskite-based photoelectrochemical (PEC) systems are being developed for artificial photosynthesis, aiming to enhance solar-to-hydrogen conversion for green energy.
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Palladium-catalyzed carbonylative synthesis of carboxylic acid anhydrides from Alkenes
Hydrocarbonylation of alkenes with carboxylic acids in synthesis of carboxylic acid anhydrides is relatively less explored. We herein present a study and optimization of a palladium-catalyzed hydrocarbonylation reaction of alkenes using carboxylic acids as the nucleophile, by which acid anhydrides can…
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Biomimetic Copper Catalysts for the Electrochemical Oxygen Reduction Reaction
Human civilization consumes a huge amount of fossil fuels, which has resulted in an atmospheric CO2 level which has not been higher in over 800 millennia.
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Chemical reactivity of O2, CO and CO2 on Cu surfaces
Despite the history of studies on methanol formation from CO2, the dominant elementary reaction steps that constitute the chemical mechanism for this catalyzed process are not determined.
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Structure dependence of molecular reactions on surfaces
The research presented in this thesis makes use of small molecules (as H2 , D2 and O2 ) on well-defined single crystal surfaces (flat Pt(111), flat Cu(211) and curved Pt(111)) to elucidate the role of surface structure and degrees of freedom in the reactant in specific surface reactions.
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Honours Academy Universiteit Leiden
De Honours Academy biedt extra ontwikkelmogelijkheden aan studenten en docenten van de Universiteit Leiden.
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Exploring structure dependencies of gas-surface interactions with curved single crystals
Curved single crystals provide variable, but well-defined surface structures.
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Fundamental research on the voltammetry of polycrystalline gold
Voltammetry plays a crucial role in modern scientific research by offering valuable insights into the electrochemical properties of materials, with wide-ranging applications in fields such as materials science, energy storage, corrosion studies, and sensor development.
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The role of water in hydrogen electrocatalysis
Promotor: M.T.M. Koper, Co-promotor: L. Juurlink
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Electrocatalysis of CO2/CO interconversion and Hydrogen Evolution in Bicarbonate Buffers
Bicarbonate buffer is largely found in nature due to its ability to regulate pH variations around neutral values. As the pH changes, so does the speciation of the buffer.
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Electrochemical and surface studies of the effect of naphthalene-based additives on tin electrodeposition
Tin electrodeposition applications have rapidly evolved in the past 25 years.
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A computational study of structural and excitonic properties of chlorosomes
The long-held desire - to link structure directly to function and to explain molecular mechanisms based on basic chemical or physical principles - is finally coming closer, satisfying not only our scientific curiosity but also offering new solutions to the many challenges in the field of health, energy…
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Efficient constraint multi-objective optimization with applications in ship design
Constraint multi-objective optimization with a limited budget for function evaluations is challenging. This thesis tackles this problem by proposing new optimization algorithms. These algorithms are applied on holistic ship design problems. This helps naval architects balance objectives like cost, efficiency,…
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The electrode-electrolyte interface in CO2 reduction and H2 evolution: a multiscale approach
Electrocatalysis allows for storing electricity or converting it into chemical bonds, producing chemical building blocks and fuels using renewable resources.
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The optimization and scale-up of the electrochemical reduction of CO₂ to formate
Carbon dioxide capture and utilization technologies are necessary to create a truly circular economy. The electrochemical reduction of carbon dioxide to formate is an appealing carbon utilization method as it can be performed at room temperature and pressure, it only requires two electrons, and it has…
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Deciphering the atomic structure of the electrified metal oxide-electrolyte interface
Humanity stands at a pivotal juncture, facing the dual challenge of environmental sustainability and rapid population growth, projected to exceed 11 billion by century’s end.
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The electrochemical reduction of dioxygen and hydrogen peroxide by molecular copper catalysts
The electrochemical oxygen reduction reaction (ORR) is an essential half-reaction for the utilization of hydrogen as a sustainable fuel, via the conversion of hydrogen to electrons and protons facilitated by the ORR. In the most common fuel cells, the ORR is requires high loadings of non-abundant platinum…
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A macro level assessment of material circularity
A sustainable resource management is an essential aspect to satisfy the current human needs without compromising the needs of future generations.
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Towards responsible and resilient mineral supply chains, with case studies on cobalt, antimony, and zinc
To meet the rising demand for minerals driven by the global shift to clean energy technologies, ensuring responsible and resilient supply chains is critical. Minerals like cobalt, lithium, and nickel for batteries, neodymium and zinc for wind turbines, and indium for solar panels are essential.
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Learning from nature: using plant-soil feedback principles to improve growth and health of a horticultural crop
Plants and soils from natural ecosystems harbor great diversity of soil microorganisms, which could potentially contribute to the sustainability of horticulture. The knowledge about using wild plant species and soil from natural ecosystem to improve the crop health will advance the application of ecological…
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Surface Temperature and the Dynamics of H2 on Cu(111)
Heterogeneous catalysis is one of the fundamental processes of modern life, being common in industrial refinery and hydrogen vehicles, all the way to the living cell. The dissociation of H2 on Cu(111) is an important benchmark system for studying heterogeneous catalysis, with a large and varied amount…
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Towards a Circular Food System: Global Resource Losses, Waste Typologies, and Valorization Pathways
Food waste is a defining inefficiency of the modern food system, with profound implications for resource use, climate change, and circular economy transitions. This dissertation examines food waste through two complementary lenses: the prevention of avoidable food waste and the valorization of unavoidable…
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Atomic Insights into Hydrodesulfurization
Hydrodesulfurization (HDS) is an ubiquitous part of oil refining that ensures that fuels are cleaned of impurities and environment release of pollutants such as SOx and NOx gasses are minimized.
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Photoinduced processes in dye-sensitized photoanodes under the spotlight: a multiscale in silico investigation
With increasing carbon dioxide levels in the atmosphere and their detrimental effect on the global climate, modern society needs to push for more renewable energy sources. Storing widely accessible and abundant solar energy in chemical bonds in the form of molecular fuel via artificial photosynthesis…
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Development of highly accurate density functionals for H2 dissociation on transition metals
Metals surfaces form a group of effective catalysts for the reaction of small molecules such as hydrogen (H2).
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Luminescence and applications of lanthanoid coordination polymers
Promotor: E. Bouwman, Co-Promotor: S. Bonnet
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Functionalized two-dimensional membranes and materials for solar-to-fuel devices: a multiscale computational approach
In the current global context, there is a pressing need to address sustainable energy supplies to safeguard our Planet and its ecosystems. The choices made by human society have a significant impact on genetic evolution and climate.
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Mechanistic studies of the water oxidation reaction with molecular iron catalysts
In this dissertation iron-based homogeneous catalysts were synthesized, characterized and investigated for water oxidation activity.
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Organisatie
Het Instituut Culturele Antropologie en Ontwikkelingssociologie is één van de vijf onderzoeksinstituten van de Faculteit der Sociale Wetenschappen. Het instituut is gewijd aan kwalitatief hoogwaardig en interdisciplinair onderzoek en onderwijs met betrekking tot globale cultuur en ontwikkelingsvraag…
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Artificial metallo-proteins for photocatalytic water splitting: stability and activity in artificial photosynthesis
Climate change is one of the largest challenges faced by humanity. To combat this research into alternatives to fossil fuels is ongoing. Dihydrogen is considered a good alternative fuel, since its burning only forms water.
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Lithium-ion batteries and the transition to electric vehicles
The transition to electric vehicles (EVs) reduces vehicle emissions to combat climate change. EVs raise concerns regarding the production of lithium-ion batteries and related emissions; while batteries can also provide energy storage services for the electricity system.
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Soil and crop management options to improve nitrogen cycling on dairy farms on peat soil
The main research question of this thesis was: Can nitrogen cycling on dairy farms on peat soil in the Dutch Green Heart area be improved by adapting management to the nitrogen supply from soil and by using other grassland species and crops without affecting milk production?
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Unveiling the electrolyte effects of CO2 electroreduction to CO and H2 evolution from the interfacial pH perspective
The role of the interfacial environment during electrochemical reactions has been increasingly valued, especially for those reactions involving protons or hydroxyl ions.
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Platinum electrochemistry through a magnifying glass
In most applications, electrocatalysts exhibit a large surface area to volume ratio, for example using nanoparticles.
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Studieprogramma
De master Recht & Bedrijfskunde focust op de juridische aspecten van een bedrijf. Niet alleen zaken als arbeidsrecht, maar ook ondernemingsrecht en fiscaal recht komen aan bod. Je doet kennis op over alle relevante raakvlakken van het recht in het bedrijfsleven.
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Platinum surface instabilities and their impact in electrochemistry
Hydrogen fuel cells are expected to be pivotal in the energetic transition towards renewable energy sources such as solar and wind power. However, their industrial scalability is severely hindered by the high cost and degradation rate of platinum catalysts, one of their key components. Addressing this…
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Insights into the mechanism of electrocatalytic CO2 reduction and concomitant catalyst degradation pathways
This work describes several studies into the electroreduction of carbon dioxide (CO2RR), both regarding mechanistical aspects and catalyst stability considerations. Mechanistic insights into carbon-carbon bond formation on a silver catalyst are described in Ch 2, were we find an acetaldehyde-like surface…