Researchers at Oregon State University announced a breakthrough material that can harvest sunlight to split water into hydrogen, eliminating the need for expensive metal catalysts. The work, led by Kyriakos Stylianou of the university’s College of Science, was published on October 4, 2026 in the Journal of the American Chemical Society.
Design of a new photocatalyst
The team focused on a metal‑organic framework (MOF) designated BVR‑19. MOFs are crystalline, porous structures assembled from positively charged metal ions and organic linker molecules, allowing scientists to tailor their properties for specific functions. While nearly 100,000 distinct MOFs have been synthesized to date, theoretical calculations suggest that millions more are possible.
BVR‑19 distinguishes itself through an unusual sulfide‑to‑sulfide bond within its organic component. When exposed to light, this bond temporarily breaks, generating highly reactive sulfur species that drive the hydrogen‑evolution reaction. Stylianou explained that the organic portion of the framework performs the critical work, moving electrons to where they are needed to produce hydrogen, rather than relying on the metal atoms traditionally used in such catalysts.
Benefits over conventional hydrogen production
Current industrial hydrogen is largely derived from methane‑steam reforming, a process that emits carbon dioxide and costs roughly $1.50 per kilogram. In contrast, “green” hydrogen produced by splitting water with renewable electricity can cost about $5 per kilogram, and its environmental impact depends on the source of that electricity.
The new MOF sidesteps both of these issues. Because it does not require an additional metal catalyst, the material simplifies system design and could reduce overall production costs. Moreover, BVR‑19 can form spontaneously in aqueous solution at room temperature, lowering the energy input needed for synthesis.
Implications for solar‑fuel technologies
Stylianou, who heads OSU’s Materials Discovery Laboratory (MaD Lab), said the findings provide a “blueprint for designing better materials that can bring down the cost of green hydrogen.” By swapping out the metal component while keeping the rest of the framework unchanged, the researchers identified why some MOF variants outperform others, establishing new design rules for solar‑fuel applications.
The study involved a multidisciplinary team that included Emmanuel Musa, Dylan Pyle, Jacob Lessard, Andrzej Gladysiak, Ankit Yadav, Silas Blessed, Prayash Mohanty, and several other graduate students and postdoctoral researchers. Funding was supplied by the Murdock Charitable Trust, the National Science Foundation, and the OSU College of Science.
Hydrogen generated by this light‑driven process could be used in fuel‑cell vehicles, ammonia synthesis, metal refining, and plastics manufacturing, offering a cleaner alternative to fossil‑based methods. If scaled, the technology could help lower greenhouse‑gas emissions and support broader climate‑change mitigation efforts.
Helene Elliott is the Lead Science & Space Reporter at News Raise. She reports on aerospace missions, astrophysics discoveries, quantum research, and environmental technology.
