Proceedings of nanoGe Fall Meeting19 (NFM19)
DOI: https://doi.org/10.29363/nanoge.nfm.2019.151
Publication date: 18th July 2019
The synthesis of solar fuels and chemicals through artificial photosynthesis allows the direct pairing of light absorption to drive chemical redox processes. This approach is a one-step and versatile alternative to the more indirect coupling of a photovoltaic cell with electrolysis and enables potentially the synthesis of a wide range of fuels and feedstock chemicals. A common drawback in most artificial photosynthetic systems and organic photocatalysis is their reliance on expensive materials and device architectures, which challenges the development of ultimately scalable devices. Another limitation in many approaches is their inefficiency and reliance on sacrificial redox reagents, which may be system damaging and often prevent truly energy-storing chemistry to proceed. This presentation will give an overview about our recent progress in developing molecular-semiconductor hybrid systems for CO2 reduction with a focus on synthetic 3d transition metal complexes and biological catalysts. We will explore strategies for catalyst immobilization on semiconductor particles and photoelectrodes and their coupling to water oxidation for the assembly of proof-of-concept CO2 conversion devices.
Representative recent references on metal complex-semiconductor hybrid systems:
Dalle, Warnan et al., Chem. Rev., 2019, 119, 2752–2875.
Leung, Vigil, Warnan et al., Angew. Chem. Int. Ed., 2019, 58, 7697–7701.
Leung, Warnan et al., Nature Catal., 2019, 2, 354–365.
Representative recent references on enzyme-semiconductor hybrid systems:
Kornienko et al., Nature Nanotechn., 2018, 13, 890–899.
Miller et al., Angew. Chem. Int. Ed., 2019, 58, 4601–4605.
Sokol, Robinson et al., J. Am. Chem. Soc., 2018, 140, 16418–16422.
Support from the Christian Doppler Research Association (Austrian Federal Ministry for Digital and Economic Affairs and the National Foundation for Research, Technology and Development), the OMV Group and the European Commission for an ERC Consolidator Grant ‘MatEnSAP’ (682833) is gratefully acknowledged.
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