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Kyushu University News
Light Spurs Ion Motion to Up-Power Fuel Cells, Batteries
CAMBRIDGE, Mass., Jan. 18, 2022 — Research from MIT and Kyushu University suggests that light could provide significantly improved performance to fuel cells, lithium batteries, and other devices that rely on the movement of charged atoms. The work introduces and demonstrates a way...
Organic Molecules Glow in the Dark, Offer Materials Solution for Bioimaging
OKINAWA, Japan, Dec. 17, 2021 — A team at the Okinawa Institute of Science and Technology (OIST) has introduced a glow-in-the-dark material fabrication method that it believes could reduce reliance on inorganic crystals derived from rare-earth materials. The team used the method...
Liquid Metal Enables Switchable Mirrors
FUKUOKA, Japan, June 16, 2021 — Researchers have demonstrated the ability to switch the surface of liquid metal between reflective and scattering states. The technology could one day be used to create electrically controllable mirrors or illumination devices. Mirrors and other...
Hyperfluorescent OLED Produces Pure, Efficient Blues
FUKUOKA, Japan, Jan. 5, 2021 — Researchers at Kyushu University have introduced a blue light source that could lead to more efficient OLED displays, while, at the same time, emitting blue light without compromise to the quality or purity of the light. The light source is based on...
Improving Microscope Resolution with Plasmonic Metasurfaces
FUKUOKA, Japan, Nov. 9, 2020 — While imaging cells using real-time fluorescence microscopy methods, professor Kaoru Tamada of Kyushu University’s Institute for Materials Chemistry and Engineering and her group found that they could improve resolution under a conventional...
Continuous, Stable Lasing Achieved with Perovskite Laser
FUKUOKA, Japan, Sept. 8, 2020 — A team of researchers from Kyushu University in Japan and Changchun Institute of Applied Chemistry in China has demonstrated stable, continuous lasing at room temperature for over an hour using low-cost perovskites. Perovskites have been an...
Organic Laser Diode Suppresses Losses, Lowers Electricity Requirements
FUKUOKA, Japan, June 3, 2019 — Lasing by direct electrical stimulation of an organic film is possible, according to researchers at Kyushu University, who have demonstrated a laser diode based on organic semiconductors. Organic laser diodes produce a pure light, but they require...
OLED Surpasses 100 Percent Exciton Production Efficiency
FUKUOKA, Japan, July 10, 2018 — In a new approach to improving OLED efficiency, researchers are using singlet fission to split the energy of one exciton in two. This approach has made it possible for the team to exceed the 100 percent limit for exciton production efficiency in...
Nanostructures Enable Step Toward OLED Lasers
SANTA BARBARA, Calif., March 2, 2015 — Organic LEDs made with finely patterned nanostructures can produce bright, low-power light sources, a key step toward making organic lasers. Researchers have long dreamed of building organic lasers, but they have been hindered by carbon-based...
New Photocatalyst Enhances VIS Light Absorption
URBANA, Ill., April 25, 2013 — A high-performance solar photocatalyst based on TiO2 and other “metallic” oxides has been shown to greatly enhance visible light absorption, enabling more efficient use of the solar spectrum for energy applications.
Light Controls Actuators
May 1, 2007 — For years, chemists have tried to make materials that change shape in directed ways, but, for the most part, they have succeeded only in creating materials that move in a disorderly fashion. If materials are too rigid, they may break easily, and if...
Waveguide Generates and Modulates Second Harmonic
Jul 1, 2006 — Researchers at Kyushu University in Fukuoka, Japan, have analyzed and demonstrated a quasi-phase-matched lithium-niobate waveguide that incorporates an integrated electro-optic modulator. The compact, monolithic device could find applications in...
(12 results found)
April 2024
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