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photovoltaics News
Measurement Tool Optimizes Semiconductors for Optoelectronics
BERLIN, Feb. 27, 2024 — Devices like solar cells, transistors, detectors, sensors, and LEDs are made with semiconductor materials that have charge carriers that are released when the carriers are hit with light. Determining the transport properties of a semiconductor’s charge carriers can help researchers predict how effective the material will be for an optoelectronics application. Until now, the parameters of the transport properties in minority and majority charge carriers in semiconductors have been
Metamaterial’s Magnetoelectric Response Could Enable New Applications
ESPOO, Finland, Feb. 21, 2024 — An optical metamaterial from Aalto University has the potential to enable applications that would otherwise need a strong external magnetic field to work. The 3D metamaterial demonstrates an isotropic and resonant nonreciprocal magnetoelectric (NME)...
Organic Optoelectronics Device Supports IoT in Low-Power Environments
SEOUL, South Korea, Feb. 14, 2024 — Organic-based optoelectronics have the potential to provide an energy-efficient way to operate low-power indoor devices and wireless IoT sensors. Organic photovoltaic cells (OPVs) and organic photodetectors (OPDs) show exceptional promise for...
Material Offers Efficient, Sustainable Emission for OLEDs
BERKELEY, Calif., Feb. 6, 2024 — A new, 3D-printable material that is a highly efficient emitter could lead to cheaper, more sustainable manufacturing processes for OLED devices. The material, called supramolecular ink, demonstrated the ability to convert nearly all absorbed light...
EVOSYS Subsidiaries Move Locations; Aeluma Wins Second Navy Award: Week in Brief: 12/1/23
GOLETA, Calif. — Aeluma Inc., a semiconductor company specializing in lidar, communication, and sensing, received funding from the U.S. Navy to develop high-speed photodetectors for defense and aerospace communication applications. This the second award Aeluma...
Terahertz Generation Method Targets Ultrafast Electronics
SHANGHAI, Oct. 3, 2023 — Terahertz (THz) waves can be used to probe the magnetic properties of new materials. Efficient THz wave generation could advance applications in energy harvesting, ultrafast electronics, and THz spectroscopy. Bright, coherent THz light sources can...
Astrape Networks to Develop Sustainable Data Center; Xenics Expands in North America: Week in Brief: 09/15/23
EINDHOVEN, Netherlands, Sept. 15, 2023 — Integrated photonics-based optical networks developer Astrape Networks secured a pre-seed funding round of €1.6 million ($1.7 million) to develop sustainable data centers by eliminating multiple electrical-optical conversions during use. The...
Trio Partners to Commercialize Encapsulation on Perovskite Solar Cells
DEKALB, Ill., Aug. 29, 2023 — Verde Technologies Inc., a pervoskite-focused thin-film solar company, has partnered with Northern Illinois University (NIU) and the U.S. Department of Energy’s National Renewable Energy Laboratory (NREL) to bring its perovskite solar cells to...
Optically Addressed Spintronics Eliminates Need for Magnetic Fields
CAMBRIDGE, Mass., July 5, 2023 — Electron spins could become more efficient and easier to manage through a light-based approach using halide perovskite semiconductors. Research teams at Harvard’s Rowland Institute and the University of Cambridge observed ultrafast spin-domain...
Novel Hybrid Material Facilitates Photon Upconversion
RIVERSIDE, Calif., June 26, 2023 — University of California, Riverside (UCR) researchers have designed a composite material that offers powerful photon upconversion capabilities and that could support a range of light-driven applications as a result. The composite is made from...
Photovoltaics Power an Indoor Revolution
Apr 3, 2023 — Readers of a certain age may recall getting through math and science courses with the assistance of a trusty solar-powered calculator that could harvest just enough ambient light from the classroom to power its rudimentary electronics and LCD...
Substrate Alternative Increases Perovskite Efficiency
ROCHESTER, N.Y., Feb. 20, 2023 — University of Rochester researchers have found that the use of a metal substrate can boost the photoelectric conversion efficiency of perovskites. Perovskites, a family of crystalline materials, have shown promise as a far less expensive and equally...
Electrochromic Smart Window Provides High Performance at Low Cost
BENGALURU, India, Feb. 10, 2023 — Researchers at the Centre for Nano and Soft Matter Sciences (CeNS) and the Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) have fabricated a smart window that provides a low-cost alternative to the traditional smart windows used in...
Low-Cost Solar Cell Amplifies Performance Potential of Perovskite
TORONTO, Nov. 28, 2022 — An international research team has produced an all-perovskite tandem solar cell with exceptionally high open-circuit voltage and efficiency. The prototype device demonstrates the potential of perovskite, an emerging photovoltaic technology, to...
Light Trap Provides Near Perfect Absorption
VIENNA, Sept. 22, 2022 — Maximizing light absorption is essential for photovoltaics and many other photonic applications. It is also difficult, especially when the light is being absorbed by a thin layer of material that would normally allow a large portion of the light to...
Laser-Based Fusion Energy Startup Closes Funding Round: Week in Brief: 04/22/22
OSAKA, Japan, April 22, 2022 — EX-Fusion, a startup aimed at commercializing laser-based fusion energy, closed a pre-seed round funding of ¥130 million ($1 million). The round was led by ANRI, a Tokyo-based venture capital firm, along with Osaka University Venture Capital....
Empire State Development Names Luminate Finalists
ROCHESTER, N.Y., March 28, 2022 — Empire State Development (ESD) has announced the 10 companies selected to take part in the fifth round of the Luminate NY accelerator program, investment fund, and competition. The finalists will compete for up to $2 million in follow-on funding...
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...
UV Light Reveals Opportunities for Rechargeable Battery, Fuel Cell Design
TSUKUBA, Japan, Sept. 9, 2021 — Researchers from the University of Tsukuba and collaborators have shown that UV light can modulate oxide ion transport in a perovskite crystal at room temperature. The discovery opens new avenues in perovskite research for rechargeable batteries and...
ANU Scientists Set New Record with Bifacial Solar Cells
CANBERRA, Australia, Aug. 31, 2021 — Researchers at Australia National University (ANU) have produced a more efficient type of solar cell — a true bifacial solar cell, using laser processing — and have set a world record for power output with bifacial solar cells in the...
Perovskite-on-Silicon Tandem Tech Breaks Solar Cell Efficiency Record
WASHINGTON, D.C., Aug. 24, 2021 — Oxford PV researchers have paired metal halide perovskites with conventional silicon to create a solar cell that overcomes the practical efficiency of 26% that silicon cells alone can deliver. Using perovskite-on-silicon tandem technology, the...
Thin-Film GaAs Photovoltaic Cell Achieves Record Efficiency
FREIBURG IM BREISGAU, Germany, June 30, 2021 — Researchers at Fraunhofer Institute for Solar Energy Systems ISE have achieved a conversion efficiency of 68.9% for a III-V semiconductor photovoltaic cell based on gallium arsenide (GaAs) exposed to laser light of 858 nm. The mark is reportedly the...
Molecular Coating Outperforms Traditional Material to Improve Solar Cell Performance
THUWAL, Saudi Arabia, June 22, 2021 — Experiments showed that a coating just one molecule thick can significantly enhance the performance of an organic photovoltaic cell (OPV). In performance, the coating outperformed PEDOT:PSS, which is the leading material used for the same task. In...
Programmable 2D Nanomaterial Captures Artificial Light for Bioimaging
RICHLAND, Wash., May 27, 2021 — A light-harvesting nanomaterial inspired by the hierarchically structured biominerals in nature could be used to build artificial light-harvesting systems for bioimaging, photovoltaics, and other applications. Created by researchers at Pacific...
Polymer Molecules Fluoresce After Chemical Adjustments
ZURICH, April 8, 2021 — ETH Zurich researchers have introduced a method that relies on chemical adjustments occurring in fluorescent organic polymer molecules to generate a broad palette of color. The approach is an alternative to mixing different molecules to achieve...
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April 2024
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