Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV18)
Publication date: 21st February 2018
The efficient integration of photoactive and catalytic materials is key to promote photoelectrochemical water splitting as a sustainable technology to power the planet with sunlight.[1] Different approaches have been followed to achieve competitive devices, targeting Solar To Hydrogen (STH) efficiency of 10%, durability of 10 years and cost of 2-4 $/kg of dispensed Hydrogen.[2] For this purpose, the use of low-cost, earth-abundant, stable materials synthesized by easily up-scalable methods is essential.[3] In the present contribution, we will discuss about the suitability of earth-abundant metal oxides to achieve these targets. Different examples of the synergistic combination of metal oxides (Fe2O3[4], and BiVO4[5],[6]) with catalytic layers (Fe-Co Prussian Blue, Ag3PO4, etc…) will be described, emphasizing the mechanistic insights leading to enhanced performance. Our studies focus on the correlation of the photoelectrochemical response of the materials with a detailed structural and mechanistic characterization carried out by different microscopic and spectroscopic tools.
References
[1] M. G. Walter et al., Chem. Rev., 110, 6446–6473 (2010)
[2] B. Pinaud, et al. Energy Environ. Sci., 6, 1983-2002 (2013)
[3] S. Gimenez, J. Bisquert. Photoelectrochemical Solar Fuel Production From Basic Principles to Advanced Devices, Springer (2016)
[4] F. Hegner et al., ChemSusChem 10, 4552-4560 (2017)
[5] F. Hegner et al., ACS Appl. Mater. Interf. 9, 37671-37681 (2017)
[6] M. Shaddad et al., J. Phys Chem. C, In press
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International Conference on Hybrid and Organic Photovoltaics
International Conference on Hybrid and Organic Photovoltaics (HOPV) is celebrated yearly in May. The main topics are the development, function and modeling of materials and devices for hybrid and organic solar cells. The field is now dominated by perovskite solar cells but also other hybrid technologies, as organic solar cells, quantum dot solar cells, and dye-sensitized solar cells and their integration into devices for photoelectrochemical solar fuel production.
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