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chemicals News
A Quantum Leap for Sensitive Gas Analysis
Apr 2, 2024 — Far above an oil pipeline, a drone bobs and weaves. The drone, dispatched by Denver, Colorado-based Project Canary, is collecting high-resolution imaging data of the site, while also scanning for any indications that the pipeline is leaking methane. Methane is a potent greenhouse gas, and Project Canary cofounder and co-CEO Will Foiles saw a valuable opportunity to act against climate change by giving oil and gas facilities the ability to quickly detect and prevent its release into the...
Hybrid Photoresist Helps Meet Demand for Smaller Chips
UPTON, N.Y., Nov. 14, 2023 — To achieve performance gains in microelectronics, semiconductor size continues to shrink, with feature sizes now in the sub-10-nm range. The challenges associated with the extreme downscaling of semiconductors have led to the adoption of a powerful...
Unconventional Perovskite Growth Method Boosts Solar Cell Efficiency
GOLDEN, Colo., Jan. 10, 2023 — To improve the efficiency and stability of wide-bandgap perovskite solar cells, researchers at the U.S. Department of Energy’s National Renewable Energy Laboratory (NREL) and the University of Toledo used a gas-quenching process to produce...
Durable Coating Self-Heals in 30 Minutes Upon Sunlight Exposure
DAEJEON, South Korea, Aug. 23, 2022 — Researchers at the Korea Research Institute of Chemical Technology (KRICT) developed a transparent protective coating material that can self-heal in 30 minutes when exposed to sunlight. According to the researchers, excellent durability of...
Lasers Spur Gas Motion in Water to Boost Chemical Manufacturing
XI’AN, China, Aug. 4, 2022 — Researchers at Xi’an Jiaotong University have devised a potential solution for the self-transport of gas underwater using a femtosecond laser. The team created a superhydrophobic surface with a hollow microchannel less than 100 µm wide....
Partnership Streamlines EUV Dry Resist Tech Chemical Supply Chain
SAN FRANCISCO, July 26, 2022 — A partnership unveiled this month at SEMICON WEST 2022 aims to provide semiconductor manufacturers with reliable access to precursor chemicals for dry photoresist technology for EUV lithography. Lam Research Corp. will work with Entegris Inc. and...
Nonlinear Optical Sensor Avoids Precision/Speed Trade-Off
AMSTERDAM, June 29, 2022 — An optical measurement method devised by a team of AMOLF researchers aims to simplify and streamline the ability to capture measurements from signals that are barely larger than the noise contained in the same system. The newly introduced approach...
Reusable Light-Writing Solution Reduces Paper Waste
RIVERSIDE, Calif., June 14, 2022 — A team led by professor Yadong Yin at the University of California, Riverside formulated a light-sensitive coating material for rewritable light-printing. The material is made from doped titanium dioxide (TiO2) nanocrystals that are synthesized in a...
SERS-Based Nanosensor Detects Pesticides on Fruit
SOLNA, Sweden, June 13, 2022 — Researchers at the Karolinska Institutet in Sweden developed a nanosensor based on surface-enhanced Raman spectroscopy or scattering (SERS). The proof-of-concept method uses flame-sprayed silver nanoparticles to increase the signal of chemicals....
High-Precision Dual-Comb Sensing Method Keeps Compact Footprint
CHANGCHUN, China, May 5, 2022 — Dual-comb photothermal spectroscopy (DC-PTS), demonstrated for the first time by a joint team from the Chinese University of Hong Kong and the Changchun Institute of Optics, Fine Mechanics and Physics (CIOMP), could provide a highly sensitive...
Protein-induced Apoptosis in Cancer Cells Protects Healthy Tissue
OKAYAMA, Japan, April 13, 2022 — A research group at Okayama University is working on a way to prevent healthy cells from incurring damage during cancer treatment. The group is developing a light-induced method for triggering cell apoptosis in targeted cells only, using a...
Paper-Based Photosensor Simplifies Hydrogen Peroxide Detection
BENGALURU, India, March 18, 2022 — Researchers at the Indian Institute of Science (IISc) have developed an inexpensive sensor made with a photoluminescent paper that enables the visual detection of even miniscule amounts of hydrogen peroxide (H2O2). The chemical is found in diverse...
Spectroscopy Deems Biexciton Binding Energy Usable in Electronics
MELBOURNE, Australia, March 10, 2022 — Researchers at Swinburne University of Technology used an advanced spectroscopy technique to quantify the energy required to bind two excitons into a biexciton state, reportedly for the first time. The Swinburne team collaborated with researchers at...
Infrared Metamaterial Absorber Shows Promise in Radiative Cooling
JILIN CITY, China, Feb. 10, 2022 — Researchers from the State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics (CIOMP) of the Chinese Academy of Sciences (CAS) have proposed a broadband, polarization- and angle-insensitive metamaterial...
Laser Blazes New Milestone Toward Self-Sustaining Fusion Energy
LIVERMORE, Calif., Feb. 3, 2022 — Scientists at Lawrence Livermore National Laboratory’s National Ignition Facility (LLNL NIF) said that, for the first time, physicists have engineered and tested a laser system in which fusion itself — as opposed to external heating...
Hyperspectral Imaging Company Specim Opens US Demo Center
OULU, Finland, Jan. 26, 2022 — Specim opened a demo center at Konica Minolta Sensing US facilities in Ramsey, N.J. The demo center opened this month as a facility to give customers and partners access to hands-on training on Specim products and services. Specim, a developer and...
Photonic Technology Converts Greenhouse Gases into Clean Energy
THE HAGUE, Netherlands, Jan. 25, 2022 — The European consortium SPOTLIGHT is developing a process that uses sunlight and LEDs to turn carbon dioxide and green hydrogen into clean energy products such as methane gas and methanol liquid fuel. Using a photonic device, the SPOTLIGHT...
Chiral Polymers Take Fast Track to High-Efficiency Circularly Polarized OLEDs
BEIJING, Dec. 30, 2021 — Researchers in the group of Chen Chuanfeng from the Institute of Chemistry of the Chinese Academy of Sciences have demonstrated experimental devices using chiral thermally activated delayed fluorescent (TADF) materials. The devices,...
Photo-Induced Method Helps Plastic to Self-repair
SYDNEY, Dec. 29, 2021 — Engineers at the University of New South Wales (UNSW) have demonstrated a photoinduced, dual-wavelength approach to help 3D-printed plastic heal itself at room temperature and without prior deoxygenation. The team from the UNSW School of Chemical...
Light-Based and Lightweight, Aerogel Photocatalyst Enables Efficient Hydrogen Production
ZURICH, Dec. 22, 2021 — With appropriate pretreatment, aerogels could serve as efficient, visible light-active photocatalysts for industrial use. The Laboratory for Multifunctional Materials at ETH Zurich, headed by professor Markus Niederberger, demonstrated that...
AI Imaging Method Provides Biopsy-free Skin Diagnosis
LOS ANGELES, Nov. 30, 2021 — A deep learning-enabled imaging technology, developed by UCLA professor Aydogan Ozcan and colleagues, provides a noninvasive way to rapidly diagnose skin tumors, allowing earlier diagnosis of skin cancer. The technology bypasses reliance on skin...
Passive Radiative Cooler is Built Using Common Household Items
LOS ANGELES, Nov. 30, 2021 — Using “Scotch tape” and aluminum foil, engineers at UCLA built a passive radiative cooler that lowers outdoor temperatures without electricity or refrigerants. The team’s cooler design exhibits solar reflectance, long wavelength...
Biobased Method Could Extract Domestic Supply of Rare-Earth Elements
STATE COLLEGE, Pa., Oct. 26, 2021 — An eco-friendly way to extract and separate rare earth elements (REEs) from unconventional sources has been demonstrated by researchers at Penn State and Lawrence Livermore National Laboratory (LLNL). The method relies on a bacterial protein that is...
Thin Films of Chalcogenide Perovskites Set Stage for New Class of Semiconductors
CAMBRIDGE, Mass., Oct. 20, 2021 — High-quality thin films of BaZrS3 chalcogenide perovskites, developed by an MIT research team, show promise as a new semiconductor suitable for a range of applications, including solar and green lighting. The MIT researchers made the prototypical...
Enhancing Lanthanide-Doped Nanocrystal Upconversion Luminescence Could Improve Bioimaging, Displays
SINGAPORE, Oct. 11, 2021 — At the National University of Singapore (NUS), researchers amplified upconversion luminescence in protein-size lanthanide-doped nanocrystals. The group reconstructed the surface of the crystal to prevent surface-associated energy loss. Tests showed...
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May 2024
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