Abstract
The prospect of future progress in water photoelectrolysis critically depends upon the discovery and application of new materials, structures, and device architectures. Developments in closely related areas, such as solar cells, provide ample guidance for the application of new concepts in nanomaterials and nanophotonics to the challenges confronting electrochemical energy conversion devices. This review examines opportunities that have emerged as a consequence of new synthetic routes for nanostructured semiconductors and metals. Design criteria for building efficient devices are considered for semiconductors with low mobility and short carrier lifetimes. It is then shown how these design criteria can be modified by exploiting the plasmon resonance of metallic nanostructures.
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Acknowledgments
S. C. W. thanks Michael Grätzel and Hen Dotan for fruitful discussions and the Swiss Federal Office of Energy (PEChouse, project number 102326) and the European Commission’s Framework Project 7 (NanoPEC, Project 227179) for support.
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Warren, S.C. (2012). Emerging Trends in Water Photoelectrolysis. In: van de Krol, R., Grätzel, M. (eds) Photoelectrochemical Hydrogen Production. Electronic Materials: Science & Technology, vol 102. Springer, Boston, MA. https://doi.org/10.1007/978-1-4614-1380-6_9
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