Cox, Casandra R.Lee, Jungwoo Z.Nocera, Daniel G.Buonassisi, Tonio2019-10-032014Cox, Casandra R., Jungwoo Z. Lee, Daniel G. Nocera, and Tonio Buonassisi. 2014. “Ten-Percent Solar-to-Fuel Conversion with Nonprecious Materials.” Proceedings of the National Academy of Sciences 111 (39): 14057–61. https://doi.org/10.1073/pnas.1414290111.0027-84240744-28311091-6490http://nrs.harvard.edu/urn-3:HUL.InstRepos:41461178Direct solar-to-fuels conversion can be achieved by coupling a photovoltaic device with water-splitting catalysts. We demonstrate that a solar-to-fuels efficiency (SFE) > 10% can be achieved with nonprecious, low-cost, and commercially ready materials. We present a systems design of a modular photovoltaic (PV)-electrochemical device comprising a crystalline silicon PV minimodule and low-cost hydrogen-evolution reaction and oxygen-evolution reaction catalysts, without power electronics. This approach allows for facile optimization en route to addressing lower-cost devices relying on crystalline silicon at high SFEs for direct solar-to-fuels conversion.en-USJournal Article2019-10-0310.1073/pnas.1414290111