a solar-fuel prototype in operation

A fully integrated photoelectrochemical device performing unassisted solar water splitting for the production of hydrogen fuel.  (Credit:  Erik Verlage and Chengxiang Xiang/Caltech.)


  • Verlage, E. et al. A Monolithically Integrated, Intrinsically Safe, 10% Efficient, Solar-Driven Water-Splitting System Based on Active, Stable Earth-Abundant Electrocatalysts in Conjunction with Tandem III-V Light Absorbers Protected by Amorphous TiO2 Films. Energy & Environmental Science, DOI: 10.1039/C5EE01786F (2015).