Machine learning method speeds up discovery of green energy materials

Researchers ditch “trial and error” and turn to machine learning

23-Jan-2024 - Researchers at Kyushu University, in collaboration with Osaka University and the Fine Ceramics Center, have developed a framework that uses machine learning to speed up the discovery of materials for green energy technology. Using the new approach, the researchers identified and successfully ...

A sustainable path for energy-demanding photochemistry

Novel strategy for the generation of highly energetic UV light

05-Dec-2022 - Many photochemical processes rely on UV light from inefficient or toxic light sources that the LED technology cannot replace for technical reasons. An international team of scientists led by Professor Christoph Kerzig of Johannes Gutenberg University Mainz (JGU) in Germany and Professor Nobuhiro ...

Sniffing out your identity with breath biometrics

Researchers develop an olfactory sensor using your unique chemical composition to confirm who you are

24-Jun-2022 - Biometric authentication like fingerprint and iris scans are a staple of any spy movie, and trying to circumvent those security measures is often a core plot point. But these days the technology is not limited to spies, as fingerprint verification and facial recognition are now common features on ...

Researchers light the way for organic glow-in-the-dark materials

By tweaking the emission mechanism and the molecules used, researchers improved the performance of organic glow-in-the-dark materials by tenfold

03-Dec-2021 - Glow-in-the-dark materials are utilized worldwide for emergency signs, watches, and paint. This useful characteristic fuels a global market worth approximately US$400 million. But the inorganic crystals that are currently needed to generate this ability to a high level of performance require ...

Inverted Fluorescence

Discovery of chromophores that emit light in the ultraviolet region when excited with visible light

23-Dec-2020 - Fluorescence usually entails the conversion of light at shorter wavelengths to light at longer wavelengths. Scientists have now discovered a chromophore system that goes the other way around. When excited by visible light, the fluorescent dyes emit light in the ultraviolet region. According to ...

Molecular twist makes one catalyst useful for three hydrogen applications

"In a way, we've created a molecule with a steering wheel on it"

12-Jun-2020 - Scientists from Kyushu University and Kumamoto University in Japan have developed a new catalyst capable of assisting three key reactions for using hydrogen in energy and industry. Inspired by three types of enzymes in nature, this research can help elucidate unknown relationships among ...

Extraordinarily thick organic light-emitting diodes solve nagging issues

New approach eases manufacturing constraints and improves viewing angle with little effect on performance

02-Aug-2019 - By combining thin organic layers with thick layers of hybrid perovskite, researchers at Kyushu University in Japan have developed micrometer-thick organic light-emitting diodes that could improve the affordability and viewing angles of high-performance displays and televisions in the near ...

Atomically precise models improve understanding of fuel cells

Computer simulations using models based on real-world atomic structures from microscope observations shed new light on the reaction pathways in fuel cells

23-Jul-2019 - Simulations from researchers in Japan provide new insights into the reactions occurring in solid-oxide fuel cells by using realistic atomic-scale models of the active site at the electrode based on microscope observations as the starting point. This better understanding could give clues on ways ...

Organic laser diodes move from dream to reality

03-Jun-2019 - Researchers from Japan have demonstrated that a long-elusive kind of laser diode based on organic semiconductors is indeed possible, paving the way for the further expansion of lasers in applications such as biosensing, displays, healthcare, and optical communications. Long considered a holy ...

Smart Fluorescent Dyes

Modulating photo- and electroluminescence in a stimuli-responsive molecular dye

17-Aug-2018 - Controlling the excited electronic states in luminescent systems remains a challenge in the development of fluorescent and phosphorescent dyes. Now, scientists in Japan have developed a unique organic fluorophore that changes its emission color without loss of efficiency when externally ...