Sökning: "chemical interactions"
Visar resultat 1 - 5 av 1237 avhandlingar innehållade orden chemical interactions.
1. Computational Studies of Chemical Interactions: Molecules, Surfaces and Copper Corrosion
Sammanfattning : The chemical bond – a corner stone in science and a prerequisite for life – is the focus of this thesis. Fundamental and applied aspects of chemical bonding are covered including the development of new computational methods for the characterization and rationalization of chemical interactions. LÄS MER
2. Interactions of methane and carbon monoxide with platinum - Supported catalysts and chemical sensors
Sammanfattning : This thesis aims at increasing the understanding of the interactions of methane and carbon monoxide with platinum in connection to catalysis and sensor technology for emission control. Specifically, the low-temperature oxidation of methane and carbon monoxide over supported platinum catalysts and the sensor response mechanism towards CO of platinum-based chemical field effect sensors were studied. LÄS MER
3. CO Oxidation over Oxide Supported Platinum Catalysts
Sammanfattning : Catalytic oxidation of carbon monoxide (CO) is one of the most studied reactions that still needs to be improved because of its practical use in the chemical industry including feedstock purification and applications such as emission control, in-door air cleaning, improvement of fuel cell efficiency, etc. Concerning CO emissions, the transportation sector is a large contributor. LÄS MER
4. Synthesis of Nanoparticles and Organometallic Complexes for Gas Sensing
Sammanfattning : Currently metal nanoparticles (NPs) are a subject of interest regarding many applications, in particular chemical gas sensing, as the associated environmental issues are of substantial importance. Metal NPs are attractive due to their fascinating optical properties and primarily, localized surface plasmon resonance (LSPR) which strongly depends on size and shape of NPs. LÄS MER
5. Understanding overlooked molecular interactions in the cellulose/NaOH(aq) system
Sammanfattning : The cold NaOH(aq) system is a promising process for the production of textile fibres. Although the process has been studied for almost a century, there remain unsolved research issues, especially regarding the dissolution mechanism. LÄS MER