Solid-state material turns visible light into high-energy UV at sunlight intensity, expanding solar energy potential
Researchers in Japan developed a solid-state organic material that transforms visible sunlight into high-energy ultraviolet photons. The material utilizes photon upconversion to turn low-energy light, such as green light, into UV radiation. This technology aims to advance solar-driven photochemistry and UV applications.
What changed
New data specifies a 1.9% conversion efficiency under natural outdoor sunlight and identifies Nature Communications as the publishing journal.
Live updates
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Kyushu University Material Converts Visible Sunlight to UV
confidence 90%Researchers in Japan developed a solid-state organic material that transforms visible sunlight into high-energy ultraviolet photons. The material utilizes photon upconversion to turn low-energy light, such as green light, into UV radiation. This technology aims to advance solar-driven photochemistry and UV applications.
What's confirmed:
- Kyushu University researchers developed a solid-state organic material that converts visible sunlight into high-energy ultraviolet light.
- The material uses a process called photon upconversion to change low-energy visible light into high-energy UV photons.
Still unconfirmed:
- The material achieved a 1.9% conversion efficiency under natural outdoor sunlight.
- The research was published in the journal Nature Communications on the 23rd.
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Kyushu University Develops Solid-State Material Converting Sunlight to UV Light
confidence 95%Researchers at Kyushu University created a solid-state organic material that transforms visible sunlight into high-energy ultraviolet light. The material uses molecular bumpers to enable photon upconversion under natural solar intensity. This breakthrough may support solar-driven chemistry and air purification.
What's confirmed:
- Scientists at Kyushu University developed a solid-state organic material that converts visible sunlight into higher-energy ultraviolet light.
- The material allows two low-energy photons to merge into one UV photon through triplet-triplet annihilation.
- The process uses alkyl chains attached to sp3-hybridized carbon atoms to create molecular bumpers that prevent destructive quenching.
- This technology may enable advanced manufacturing, cleaner air purification, and solar-driven chemistry.
Still unconfirmed:
- The sunlight-to-UV conversion achieved 1.9% efficiency.