We are pleased to announce the research findings of a group led by Associate Professor Yoichi Sasaki (Faculty of Engineering) and Professor Nobuo Kimizuka (currently Specially Appointed Professor, Research Center for Negative Emission Technology), affiliated with the Headquarters for Future Society Design (Decarbonization Unit / Photochemical Technology Creation Group).
Fukuoka, Japan—Two cups of warm water don’t make one cup of boiling water. But in the quantum world, multiple low-energy photons can combine to produce a single, higher-energy photon.
A research team at Kyushu University has developed a solid-state molecular material that “upgrades” visible light into ultraviolet (UV) light under ordinary outdoor sunlight, achieving a conversion efficiency of 1.9%. The study was published in Nature Communications on June 23.
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