Researchers at SLAC and PNNL used ultrafast X-ray spectroscopy to capture how protons and electrons move together during light-driven reactions. By studying a ruthenium-based molecule in water, the team recorded both local electronic changes and the simultaneous reorganization of the surrounding solvent. This is the first time these combined movements have been observed with structural sensitivity in a single experiment.
Understanding this coordinated motion could eventually help engineers design better fuel cells and catalysts that mimic biological efficiency. However, the technique was demonstrated on a simple, well-understood model system specifically chosen to avoid messy intermediate steps. We are still a long way from applying this level of observation to complex, real-world biological systems like photosynthesis.
more: https://www.sciencedaily.com/releases/2026/10/261004001841.htm
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