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photovoltaics News
DNA Origami Supports Applications In and Beyond Life Sciences
REGENSBURG, Germany, March 26, 2021 — A European research team developed a dye- and DNA programming-based approach for counting molecules present within individual complexes. The approach supports biomedical and life sciences applications, as well as those involving OLEDs, solar cells, and soft matter — such as photovoltaics and liquid crystals. The research team used a method called “DNA origami” to place individual dye molecules at well-defined distances from one another. The researchers arranged the
Fabrication Method Could Expand Perovskite Production
LOS ALAMOS, N.M., March 26, 2021 — A simple, synthetic process for fabricating stable perovskite solar cells has overcome a preventative challenge to large-scale production, and, as a result, to product commercialization. A team from Los Alamos National Laboratory and National Taiwan...
Hyperspectral Imaging and AI Speed Up Necessary Inspection for Organic Electronics
DRESDEN, Germany, March 18, 2021 — Fraunhofer IWS researchers, working under the European Union (EU) project OledSolar, introduced an approach for the monitoring, observation, and inspection of organic electronics in the manufacturing and development stages. The hyperspectral vision...
Waveguide Opens New Window to Solar Energy Generation
HOUSTON, Feb. 22, 2021 — An advancement to smart window technology incorporates luminescent solar concentrators (LSCs) into window or windowpane designs. A team from Rice University’s Brown School of Engineering designed its foot-square “windows” by...
Large-Area Organic Photodiodes Offer Cost-effective Alternative to Silicon Sensors
ATLANTA, Nov. 5, 2020 — A research team at Georgia Tech has demonstrated that large-area organic photodiodes, produced from solutions at low temperatures, can detect several hundred thousand photons every second. The process, the researchers said, is conceptually similar...
Pfeiffer Vacuum Announces CFO Resignation
ASSLAR, Germany, Oct. 9, 2020 — Vacuum systems manufacturer and provider Pfeiffer Vacuum Technology announced the resignation of company CFO Nathalie Benedikt. Effective October 1, Britta Giesen, a member of the company’s management board and designated chairwoman and CEO,...
Gelest Completes Sale of Parent Company to Mitsubishi Chemical America
MORRISVILLE, Pa., Oct. 5, 2020 — Gelest, manufacturers and suppliers of high-growth materials such as silicones and organosilanes, reported it has completed its previously announced sale of Gelest Intermediate Holdings to Mitsubishi Chemical America Inc., the U.S. subsidiary of...
SunDensity’s Photonic Smart Coating Technology Takes Top Prize at Luminate NY’s Finals Competition
ROCHESTER, N.Y., Sept. 15, 2020 — SunDensity, a developer of photonic smart coatings (PSC) technology, has earned $1 million in funding as the winner of the third cohort of the Luminate NY Program’s Innovation Finals Competition. All Luminate third-cohort winners, highlighted...
Understanding of Electrolyte Additives Will Improve Dye-Sensitized Solar Cells
PARKVILLE, Australia, Sept. 9, 2020 — An Australian research team has demonstrated that the molecules 4-tert-butylpyridine (tBP) and 1-methyl-benzimidazole (NMBI) play a role of crucial importance, as optimal additives, in maximizing the performance of copper redox meditators. An...
Lasers Allow Mass-Producible Microscopic Robots to Walk
ITHACA, N.Y., Sept. 1, 2020 — A collaboration led by Cornell University has created microscopic robots with semiconductor components that allow them to be controlled and made to walk with laser light and standard electronic signals. The robots are roughly the size of a...
AFM and Nonlinear Optics Combine to Improve Optical Defect Detection
MONTREAL, Aug. 7, 2020 — A technique for detecting nanosize imperfections in optical materials could lead to improvements in detector technologies for applications ranging from cellphones to solar cells. The technique developed by a McGill University research team uses...
Single-Crystal Perovskites Made with Standard Practices Are Stable, Flexible
LA JOLLA, Calif., Aug. 6, 2020 — Engineers at the University of California, San Diego have developed a way to fabricate perovskites as single-crystal thin films. The method, which uses standard semiconductor fabrication processes including lithography, produces flexible,...
Photonic Crystal Emits Super-Planckian Thermal Radiation at Optical Wavelengths
TROY, N.Y., March 23, 2020 — Since the late 19th century, scientists have understood that, when heated, all materials emit light in a predictable spectrum of wavelengths. But a material that appears to exceed the limits set by Planck’s law has been experimentally...
World Faces Air Pollution Threat, and Light Technology Could Help
MAINZ, Germany, March 5, 2020 — Air pollution is responsible for shortening people's lives worldwide on a scale far greater than wars and other forms of violence and than parasitic and vector-borne diseases such as malaria, HIV/AIDS, and smoking, according to a study published...
QD Solar Cells Realize 16.6% Power Conversion Efficiency
BRISBANE, Australia, Feb. 25, 2020 — Researchers at the University of Queensland (UQ) are harnessing the properties of quantum dots (QDs) to make solar cells that capture a wider range of light for energy, are more stable in their energy production, and can be applied to curved...
Sequestering Lead in Perovskite Cells Could Make Them Safer for Photovoltaics
DEKALB, Ill., Feb. 20, 2020 — Many high-performing hybrid perovskite solar cells contain water-dissolvable lead, raising concerns over potential leakage from damaged cells. A new technique to sequester the lead used to make the cells could make them more practical for use in...
Tandem Solar Cell Demonstrates 29.15% Efficiency
KAUNAS, Lithuania, Feb. 13, 2020 — Scientists at Kaunas University of Technology (KTU) have achieved 29.15% efficiency in a solar cell made of perovskite and silicon. This value was certified by the CalLab of the Fraunhofer Institute for Solar Energy Systems. It represents a new...
1D Analogs of 2D Heterostructures Could Find Multiple Applications
TOKYO, Feb. 6, 2020 — Technological devices are becoming smaller and more feature-rich in part because scientists are exploring new materials and new ways to use existing materials. One area being investigated by materials scientists is the function of flat...
New Rules Reveal How an Object’s Scale Affects Its Interaction with Light
PRINCETON, N.J., Jan. 14, 2020 — Princeton researchers have uncovered rules pertaining to how objects absorb and emit light. Their discovery addresses how the scale of an object affects the way it interacts with light. The new rules will tell scientists how much infrared (IR) light...
Field Tests Measuring Solar Panel Performance Could Help Improve PV Technology
MÜLHEIM AN DER RUHR, Germany, Jan. 9, 2020 — In a series of field tests performed at the Max Planck Institute for Chemical Energy Conversion (MPI-CEC), key parameters in solar panel performance were measured to gather data that can be used for choosing the most appropriate panel option for...
Chalcogenide Perovskites Show Promise for Optoelectronics Applications
BUFFALO, N.Y., Dec. 30, 2019 — A new barium zirconium sulfide (BaZrS3) thin film, developed by a team at the University at Buffalo, combines strong light absorption with good charge transport — two qualities that could be useful for optoelectronics applications such as...
Machine Learning Predicts How to Develop High-Performing Solar Cells
ORLANDO, Fla., Dec. 17, 2019 — To determine the best way to optimize the materials used to build perovskite solar cells, a research team at the University of Central Florida turned to machine learning techniques. The researchers reviewed more than 2000 peer-reviewed publications...
Clear, Conductive Coating Could Protect Solar Cells, Display Screens
CAMBRIDGE, Mass., Dec. 2, 2019 — MIT researchers have improved on their initial version of a transparent, conductive coating material for solar cells and touch screens, producing a tenfold gain in its electrical conductivity. The high-performing, flexible material, an organic...
New BPV System Flaunts More Power, Longer Life
BEIJING, Oct. 14, 2019 — A new biophotovoltaics (BPV) system developed by researchers at the Chinese Academy of Sciences’ Institute of Microbiology has proven more powerful than any similar system. It also touts the greatest longevity. The new system is based on a...
Machine Learning Speeds Metamaterial Design for Thermophotovoltaic Devices
DURHAM, N.C., Sept. 26, 2019 — A Duke University engineering team has used machine learning to design dielectric metamaterials that absorb and emit specific frequencies of terahertz (THz) radiation. Use of machine learning made it possible to calculate design requirements for the...
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