Towards Solar Factories
Lilac Amirav a
a Schulich Faculty of Chemistry, Technion – Israel Institute of Technology, Haifa, Israel, 32000
Proceedings of Internet Conference for Quantum Dots (iCQD)
Online, Spain, 2020 July 14th - 17th
Organizers: Quinten Akkerman, Raffaella Buonsanti, Zeger Hens and Maksym Kovalenko
Invited Speaker, Lilac Amirav, presentation 054
Publication date: 3rd July 2020

The solar-driven photocatalytic splitting of water into hydrogen and oxygen is a potential source of clean and renewable fuels. Yet it is known, following four decades of global research, to be highly challenging. Perhaps the framework of solar-to-chemical energy conversion may be revolutionized by the examination of alternative oxidative pathways. Here, I will present a demonstration of efficient and robust endothermic full-cycle redox transformations, synthesizing solar chemicals. Utilizing nanoscale particles, we obtained hydrogen production with photon to hydrogen quantum efficiencies of up to ~70%, under visible light and mild conditions, while simultaneously harvesting solar chemical potential for valuable oxidative chemistries, realizing genuine solar-to-fuel energy conversion, with state of the art efficiencies of up to 4.2%.

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