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Photocatalysts

All articles tagged with #photocatalysts

science-and-technology2 years ago

Physicists Unravel Mystery of Trapped Waves and Localizing Light in 3D

Researchers have used advanced computing to solve a decades-long mystery about the potential for optical waves to be trapped in three-dimensional structures of randomly packed micro- or nanoparticles. The study found that light can be trapped or “localized” in random packings of metallic spheres, paving the way for potential developments in lasers and photocatalysts. The research opens new possibilities for enhancing optical nonlinearities, light-matter interactions, and controlling random lasing as well as targeted energy deposition.

science-and-technology2 years ago

Cerium boosts visible light absorption of titanium dioxide.

Researchers from the Chinese Academy of Sciences have improved visible light absorption in Ce/TiO2 by doping cerium in the TiO2 lattice, resulting in a high photocurrent density and better separation efficiency of photogenerated electrons and holes. The study presents a practical strategy for developing efficient visible light-activated rare earth-doped photocatalysts. Ce doping into the TiO2 lattice improved the separation efficiency of photogenerated electrons and holes, resulting in high photocurrent density and incident photon current efficiency (IPCE).