Universiteit Leiden

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Proefschrift

Explorations of Water Oxidation Catalysis in Explicit Solvent

In the search for sustainable energy solutions, the idea of artificial photosynthesis has been proposed as an approach with which to use water and sunlight to produce hydrogen.

Auteur
Ruiter, J.M. de
Datum
30 oktober 2018
Links
Thesis in Leiden Repository

In the search for sustainable energy solutions, the idea of artificial photosynthesis has been proposed as an approach with which to use water and sunlight to produce hydrogen. Key in the development of hydrogen production technologies is the splitting of water using a water oxidation catalyst. In this thesis, the water splitting catalytic process was investigated using a number of different computational techniques. Computationally, the water splitting catalytic process has traditionally been considered statically as a number of snapshots, and in vacuum. The traditional approaches also often include a number of correction factors for the charge carriers in the reaction. But because catalytic processes are dynamic, a novel approach was also developed in this thesis. With this approach, one can examine the dynamic transition from one catalytic intermediate to another, in a fully solvated environment. In optimising water oxidation catalysts it is important to consider the interaction with the surrounding environment, and how this can impact the catalytic reaction. Furthermore, in the new approach all the charge carriers–protons and electrons–are included in a dynamic simulation. These techniques give us a better idea of the things needed in the optimisation of water oxidation catalysts.

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