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photovoltaics News
High-Performance Organic Photovoltaic Cells Developed for Indoor Use
LINKÖPING, Sweden, Sept. 25, 2019 — Scientists from Linköping University, the Chinese Academy of Sciences, and the University of Science and Technology Beijing have developed organic solar cells that can convert ambient indoor light to electricity. Although the power produced by the solar cells is low, the scientists believe it could be enough to support the many products that the Internet of Things will bring online. The researchers developed a new combination of donor and acceptor materials to be used as the active
Spectroscopy Probes the Energy-Level Landscape of Solar Cells
HEIDELBERG, Germany, Aug. 15, 2019 — A new spectroscopic method developed by researchers at Heidelberg University could enable scientists to study the physical principles of organic photovoltaics with extreme precision to gain a better understanding of how energetic losses occur. The...
Excess Solar Power Could Transform Seawater into Drinking Water
THUWAL, Saudi Arabia, July 19, 2019 — Researchers at King Abdullah University of Science and Technology (KAUST) have developed a multifunctional device that captures the excess heat shed by photovoltaic solar panels and uses it to desalinate seawater, without affecting the panels'...
Worldwide Solar Energy Model Provides Historical PV Performance Data
AARHUS, Denmark, July 2, 2019 — A model for how much energy photovoltaic (PV) systems produce worldwide has been developed by researchers at Aarhus University. The researchers collected 38 years of global solar radiation, weather, and temperature data with a spatial resolution of...
‘Self-Healing’ Coating Minimizes Lead Leakage from Perovskite Cells
ONNA, Japan, June 25, 2019 — Adding a protective layer of epoxy resin to the top of a perovskite solar cell (PSC) can significantly reduce the amount of lead that the cell discharges into the environment, researchers at Okinawa Institute of Science and Technology (OIST)...
Solar Power Data Set Could Help Make Power Grids More Reliable
CANBERRA, Australia, May 31, 2019 — Engineers from the Australian National University (ANU) and Fraunhofer Institute for Solar Energy Systems ISE have created a data set from 1287 residential installations of PV systems across Australia and have made this data set freely available....
Photovoltaic Technologies Aim for Higher Efficiency Ratings
May 28, 2019 — In a time of growing concern about climate change and the high cost of humanity’s carbon footprint, there are glimmers of hope. A global boom in sustainable energy investment is underway. The Renewable Energy Policy Network for the 21st...
Quantum Dots Enhance Stability of Perovskites for Solar Power
TORONTO, May 27, 2019 — A team from the University of Toronto is researching materials that could enhance the solar-harvesting potential of silicon by absorbing wavelengths of light that silicon does not absorb. The researchers have demonstrated that perovskite crystals...
Tandem Perovskite Solar Cell Demonstrates Efficiency of About 23%
TOLEDO, Ohio, May 23, 2019 — A high-efficiency tandem perovskite solar cell could be ready for use in full-sized solar panels in the consumer market in the near future, said scientists at the University of Toledo, who are collaborating with the U.S. Department of Energy’s...
New Nanodevice Generates 3× More Voltage than Classic Nanoantennas
SAN LUIS POTOSÍ, Mexico, May 9, 2019 — A nanodevice for harvesting solar energy, called an evolutive dipole nanoantenna (EDN), has demonstrated the ability to generate a thermoelectric voltage up to 3× larger than a classic dipole nanoantenna (CDN). The EDN could be used in applications...
Virginia Tech Professor Awarded CAREER Grant to Study Topological Materials
BLACKSBURG, Va., April 26, 2019 — Ed Barnes, of the Virginia Polytechnic Institute and State University (Virginia Tech) Department of Physics, will use a National Science Foundation (NSF) CAREER grant to create mathematical models that will help scientists better understand...
Quantum Dots Demonstrate High Luminescence Efficiency
STANFORD, Calif., March 22, 2019 — A new technique for precisely measuring quantum dot (QD) performance, developed by researchers at Stanford University, showed that groups of QDs reliably emit about 99.6 percent of the light they absorb, with a potential error of 0.2 percent in...
New Approach Facilitates Spectroscopy on Individual Molecules
MUNICH, March 11, 2019 — A new spectroscopic measurement method, developed by scientists at the Technical University of Munich (TUM), determines the spectral properties of individual molecules, providing precise information about the interaction of single molecules with...
Improving the Stability and Optical Properties of Perovskite Films
HONG KONG, Feb. 14, 2019 — A new approach to producing all-inorganic perovskite films — the result of a joint research effort by City University of Hong Kong (CityU) and Shanghai University — could further the development of high-color-purity, low-cost perovskite LEDs with a...
Next-Gen Semi Materials Could Be a Boost for Photovoltaics, Lighting
ATLANTA, Jan. 17, 2019 — Next-generation semiconducting materials have the potential to transform lighting technology and photovoltaics, suggest researchers from the Georgia Institute of Technology (Georgia Tech), in a study of the unusual physics behind hybrid...
Stevens Researcher Receives NSF CAREER Award to Develop Portable Solar Panels
HOBOKEN, N.J., Jan. 8, 2019 — Stephanie Lee, an assistant professor at Stevens Institute of Technology, was awarded a 2019 CAREER Award by the National Science Foundation to fund her research in engineering green, portable, cost-efficient solar panels and other power sources....
Pure Graphene Generates Photocurrent Over Great Distances
RIVERSIDE, Calif., Jan. 8, 2019 — An international research team has discovered a new mechanism for ultra-efficient charge and energy flow in pristine graphene. The team was co-led by professor Nathaniel Gabor from the University of California, Riverside. The researchers fabricated...
Machine Learning Identifies Nearly All US Solar Panels from 1 Billion Images
STANFORD, Calif., Dec. 28, 2018 — Stanford University scientists developed a machine learning program that analyzed more than 1 billion high-resolution satellite images and identified nearly every photovoltaic solar power installation in the contiguous 48 U.S. states. They found...
Heliatek Installs PV Films on Duisburger Hafen
FOREST, England, Nov. 21, 2018 — Approximately 185 sq m of Heliatek’s organic photovoltaic films were installed on the warehouse of Duisburger Hafen AG, the operator of the world’s largest inland port. As a subproject within the Drehkreuz Energiewende cooperation agreement, which...
NUS Team Enables Solar-Powered Drone Flight
SINGAPORE, Sept. 25, 2018 — A team from the National University of Singapore (NUS) has achieved a major step forward in stretching the capabilities of quadcopter drones by powering the flight solely by natural sunlight. A first in Asia, the current prototype has flown >10 m in...
Electron Spin Influences Energy Flow in Perovskites
ERLANGEN, Germany, Sept. 20, 2018 — Physicists at Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) have shown that incoming light will cause the electrons in warm perovskites to rotate, thus influencing the direction of the flow of electrical current. “Two...
Dry-Etched Black Silicon Could Lower Solar Power Costs, Speed Industrial Production
HOUGHTON, Mich., Sept. 10, 2018 — One approach to improving solar cell efficiency is to shift to nanostructured silicon (black-Si, or b-Si), which has been shown to decrease reflective losses in multicrystalline silicon (mc-Si) wafers and prevent cell power conversion efficiency...
Photoelectrode Traps, Converts Light Efficiently
SAPPORO, Japan, Sept. 10, 2018 — A photoelectrode developed by a team at Hokkaido University harvests visible light across a wide spectral range using a semiconductor titanium dioxide (TiO2) layer sandwiched between gold film (Au film) and gold nanoparticles (Au NPs). A key feature...
EPSRC Announced Energy Research Hubs
SWINDON, England, Sept. 4, 2018 — The Engineering and Physical Sciences Research Council (EPSRC) has announced three £5 million ($5.8 million) energy research hubs and a new £1 million ($1.2 million) network in solar energy that will build multidisciplinary collaborations among...
UC Riverside’s Professor Receives $750K DOE Grant for Organic-Inorganic Materials
RIVERSIDE, Calif., Aug. 10, 2018 — Ming Lee Tang, an assistant professor of chemistry at the University of California, Riverside, has received a $750,000 grant from the U.S. Department of Energy (DOE) to continue her work on developing hybrid organic-inorganic materials that have...
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May 2024
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