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The Mott transition and optimal performance of transparent conducting oxides in thin-film solar cells

This multidisciplinary collaboration (Cardiff/Oxford/UCL) was part-funded by Merck GKaA (Darmstadt) via a PhD studentship and establishes the theoretical link between fundamental properties of transparent conducting oxides and solar cell design, demonstrating the crucial role of low carrier mobility. Merck are using these findings to optimise the processing of its transparent conducting pigments for use in solar cell and related applications, and are part funding (£35k) a new PhD student at Cardiff to continue this work (Dr Reinhold Rueger, Director of Performance Materials reinhold.rueger@merckgroup.com). Oxford University are using it for assessing the potential of new materials (Prof Peter Edwards, peter.edwards@chem.ox.ac.uk).