Solid-state material turns visible light into high-energy UV at sunlight intensity, expanding solar energy potential

Live updates

1. 8d ago

   Japanese researchers develop UV-converting solid-state material

   Researchers in Japan have created a solid-state organic material capable of converting visible sunlight into high-energy ultraviolet photons. The technology uses photon upconversion to transform low-energy light, such as green light, into UV radiation at sunlight intensity. This process enables the use of solar energy for applications that typically require high-energy UV light, potentially expanding the capabilities of solar-driven photochemistry.

   Why it matters

   Standard solar cells typically capture energy from visible and infrared light. By shifting lower-energy photons to the ultraviolet spectrum, this material allows sunlight to power chemical reactions that otherwise require specialized UV lamps.

   What to watch next

   • Demonstration of the material in a commercial solar-driven photochemical reactor
   • Peer-reviewed data on the efficiency rates of the upconversion process
   Sources used for this update (4)

   1. Phys.org — Redistributing sunlight boosts algae biomass productivity sixfold
   2. Phys.org — Quantum in the palm of your hand: The evolution of superconducting qubits
   3. arstechnica.com — Researchers devise a full-color night vision goggle
   4. scitechdaily.com — World’s First Photonic Time Crystal Can Reshape Light in Trillionths of a Second
   confidence 100%
2. 14d ago

   Kyushu University Material Converts Visible Sunlight to UV

   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.
   Sources used for this update (9)

   1. New Solid-State Material Converts Visible Sunlight Into Useful UV ...
   2. Optics & Photonics News - Solid-State Harvesting of UV
   3. Scientists Turn Ordinary Sunlight Into UV Light in Major Energy ...
   4. Materials Science News -- ScienceDaily
   5. Thermodynamics News -- ScienceDaily
   6. Breakthrough: Solid-State Materials Convert Low-Energy Sunlight Into ...
   7. 九州大學固態材料大突破，成功將自然陽光「升級」為高能紫外光 | TechNews 科技新報
   8. Optics News -- ScienceDaily
   9. Matter & Energy News -- ScienceDaily
   confidence 90%
3. 44d ago

   Kyushu University Develops Solid-State Material Converting Sunlight to UV Light

   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.
   Sources used for this update (16)

   1. Solid-state material turns visible light into high-energy UV at sunlight intensity, expanding solar energy potential
   2. New solid-state material turns ordinary sunlight to powerful ultraviolet photon
   3. New Solid Material Turns Ordinary Sunlight Into High-Energy UV Light
   4. Turning Sunlight into Solid-State UV Energy: A Breakthrough in Harvesting Technology
   5. Sterically protected π-electron systems for efficient solid-state photon upconversion
   6. A New Material ‘Upgrades’ Sunlight Into UV Light—and a Solid-State Breakthrough Makes It Possible
   7. Scientists Develop Solid-State Material That Turns Visible Light Into UV Radiation
   8. Turning sunlight into ultraviolet: A breakthrough in photon upconversion
   9. New solid-state material converts sunlight into higher-energy UV light
   10. Scientists Turn Ordinary Sunlight Into UV Light in Major Energy ...
   11. New Solid Materials to Turn Visible light into UV Light
   12. A New Material 'Upgrades' Sunlight Into UV Light—and a Solid-State ...
   confidence 95%