Researchers have made breakthroughs in hot carrier solar cells by studying electron tunneling and collection, increasing generation and extraction. The study revealed that a new system comprising AlGaAs and GaAs materials can harness valley photovoltaics and realize solar cells beyond the current single bandgap limits.
A new study suggests that using state-of-the-art energy efficiency technologies can enable Europe's construction sector to almost eliminate its carbon emissions by 2060. Employing technologies like solar energy and heat pumps can reduce total energy used for heating and cooling buildings by up to 97%.
Snowmelt rates vary by slope orientation and receive varying amounts of solar radiation. The study found that burned south-facing slopes accumulate less snow and melt earlier than other aspects due to increased solar radiation absorption. This understanding will improve models and tools for water managers.
A team of GIST researchers developed a new defect passivation strategy for polycrystalline perovskites, leading to improved power conversion efficiency and long-term operational stability. The strategy uses a chemically identical polytype of perovskite to suppress defects in the crystal structure.
Researchers designed a new supercapacitor that can store more energy through electrochemical phenomena, with increased capacitance when exposed to UV light. The device uses ZnO nanorods and liquid electrolyte, enabling fast-charging capabilities and opening doors for innovative applications in electronics.
Researchers at the University of Illinois have developed a method to understand and improve light-harvesting molecules for solar energy applications. By combining AI with automated chemical synthesis and experimental validation, they were able to produce molecules four times more stable than traditional ones.
Researchers analyzed satellite data to understand solar irradiance variability in the Asia Pacific region, revealing optimal locations for solar power plants and distribution strategies to minimize fluctuations. The study's findings will help plan for sustainable energy technologies and combat climate change.
A uniquely powerful geomagnetic storm led to unprecedented changes in the upper atmosphere, including location and spread of particles, composition, and temperature. These changes may pose significant risks to satellites and GPS systems, as well as impact navigation and communication technologies.
Researchers propose a leaf-inspired luminescent solar concentrator (LSC) design to overcome scalability limitations. The innovative setup enhances photon collection and transfer, improving efficiency and reducing self-absorption issues.
A new study shows that empowering women through energy care work can transform community-led renewable energy programmes, promoting gender equality. The research highlights the importance of valuing multiple voices and incorporating diverse practices of care into energy transition policies.
Researchers at HKUST have developed a novel chiral-structured interface in perovskite solar cells, significantly enhancing reliability and power conversion efficiency. The new design retained 92% of its initial efficiency after 200 cycles, demonstrating improved durability under various conditions.
A study found that microwaves contain a unique microbial community, comprising 747 different genera, which resembles those on solar panels and kitchen surfaces. The diversity of the microbiome varies between single-household kitchens, shared domestic spaces, and laboratory microwaves.
A research team at City University of Hong Kong has developed next-generation printable perovskite solar cells with higher efficiency, stability, and lower production costs. These cells can be manufactured using a 'printing' process, reducing energy consumption and processing steps compared to traditional silicon-based solar cells.
Researchers estimate that installing solar panels on highways could generate 17,578 terawatt-hours of electricity per year, equivalent to more than 60% of the world's total energy consumption. This could reduce carbon emissions by up to 28% and improve road safety through shielding cars from inclement weather.
A survey of Pennsylvanians and policymakers reveals bipartisan support for solar energy and other renewables, but elected officials underestimate their constituents' preferences. The study highlights the need for clear communication between the public and local representatives to ensure informed decision-making about energy projects.
Scientists argue that solar farms in the UK have great potential to restore degraded habitats and meet the UN's Sustainable Development Goals. However, unless policies change, potential biodiversity benefits could be squandered.
Researchers at Chung-Ang University have discovered an additive that enhances the efficiency of perovskite solar cells, resulting in a record-breaking 12.22% efficiency. The additive, 4-phenylthiosemicarbazide, improves stability and reduces defects, paving the way for more accessible and long-lasting solar panels.
Researchers at Kaunas University of Technology (KTU) develop materials to improve indoor photovoltaic cells, generating electricity even in low-intensity light. The innovation utilizes Internet of Things technologies to efficiently regulate device operation and optimize energy consumption.
Researchers at NREL are exploring ways to design sustainable perovskite solar panels that minimize environmental impact. They suggest replacing expensive metals with low-cost alternatives and establishing recycling pathways for specialized glass components.
A new framework enables efficient calculation of optimal solar panel and battery sizes for residential neighborhoods, making it feasible to achieve net-zero energy houses. The approach leverages linear programming transformations to overcome computational challenges, demonstrating that ZEH status does not significantly elevate costs.
A team of researchers has developed a novel 3D printing technology that creates bioinspired solar steam generators for desalination. The innovative design mimics the structure of trees and achieves high water evaporation efficiency, making it an efficient solution to address global freshwater scarcity.
A new living passivator has been developed to improve the stability and efficiency of perovskite solar cells. The coating can dynamically heal defects caused by environmental stressors like water and heat, improving operational stability for over 1,000 hours at high temperatures.
Researchers have spotted the first signs of the Sun's next 11-year solar cycle, which is expected to start in about six years. The detection was made using sound waves inside the Sun and shows a faint indication of Cycle 26, similar to what happened during the previous cycles.
A team of researchers from the University of Kansas has discovered a microscopic mechanism that explains why a new class of organic semiconductors outperforms others. This breakthrough could lead to more efficient solar cells and photocatalysts for producing solar fuels, revolutionizing the clean energy sector.
Researchers propose two strategies to reduce energy loss and increase efficiency: adjusting irrigation schedules to daytime hours when solar energy is produced, and selling surplus energy. These approaches aim to create a sustainable irrigation model that combines environmental protection with economic profitability.
A new study suggests that strategically placing solar-powered resilience hubs in California could generate up to 8 GW of solar energy and reduce the state's carbon emissions by 5 million tons per year. These hubs provide critical services such as phone charging, cooling, and powering medical devices for at-risk populations.
Researchers have developed a novel light-harvesting system that can absorb the entire visible light spectrum, similar to natural systems. The system uses a unique arrangement of four different dyes and converts 38% of irradiated light energy into fluorescence.
Researchers at the University of Texas at Austin have discovered topological vortices in polaron quasiparticles that contribute to generating electricity from sunlight. The discovery can help develop new solar cells and LED lighting with exceptional energy conversion efficiency.
The study reveals that supergranules, a flow structure in the sun's interior, challenge standard theories of solar convection. Researchers discovered that downflows appear weaker than upflows, suggesting an unseen component that could be small-scale plumes transporting cooler plasma into the sun's interior.
Researchers at Rice University have made a breakthrough in synthesizing formamidinium lead iodide (FAPbI3) perovskite solar cells into ultrastable, high-quality photovoltaic films. The overall efficiency of the resulting FAPbI3 solar cells decreased by less than 3% over 1,000 hours of operation.
Researchers at WVU are exploring the potential of solar panels to generate energy on grazing lands, diversifying farmers' income streams and promoting more sustainable practices. The study aims to understand how dual-use solar systems impact soil health and animal performance.
A new computer vision technique developed by MIT engineers significantly speeds up the characterization of newly synthesized electronic materials. The technique automatically analyzes images of printed semiconducting samples and quickly estimates two key electronic properties: band gap and stability.
The study presents a comprehensive physical explanation for the sun's activity cycles, attributing them to Rossby waves mediated by planetary tidal influences. This model successfully explains the Schwabe cycle and other solar cycles, providing strong evidence for the planetary hypothesis.
A new study suggests that the sun's magnetic field could arise from instabilities in the outermost layers of the sun, rather than deep within. This finding may enable scientists to better forecast solar activity and space weather.
A worldwide analysis of voluntary carbon offset programs identified trends in renewable energy, forestry, and other technologies. Forestry and land management projects initially increased due to REDD+ programs, but shifted towards nature-positive solutions after 2016.
Researchers at CDMF and CINE developed a novel plasma treatment approach for antimony tri-selenide films, making them hydrophilic and improving their photoelectroactivity. This enhancement enables the material to produce hydrogen gas through solar-driven water splitting.
Researchers have developed a method to trap solar energy at temperatures over 1,000°C using synthetic quartz, demonstrating its potential for clean energy in carbon-intensive industries. The technology shows promise for industrial applications and could provide an economic viable alternative to fossil fuels.
Researchers from Kaunas University of Technology have developed a new technology for perovskite solar cells using self-assembling monolayers. This innovation increases the efficiency of solar cells by allowing only one type of charge to pass through, similar to an automatic gate on the subway.
Researchers at ETH Zurich have engineered a thermal trap to deliver heat at high temperatures needed for industrial processes, overcoming the challenge of fossil fuels. The device, which uses solar radiation, absorbs sunlight and converts it into heat, minimizing radiative heat losses and increasing efficiency.
Researchers at UC Santa Barbara have developed a method to produce high-quality perovskite films at room temperature, significantly increasing their efficiency from under 20% to 24.4%. This simplified process reduces energy use and lowers carbon dioxide emissions, making it suitable for flexible indoor and outdoor energy generation.
A team of researchers characterized electron-hole separation in kesterite thin-film solar cells using scanning probe microscopy. They found that defects at the crystal interface cause electron-hole recombination losses, but suggested creating a light-absorbing layer with higher energy levels to improve efficiency.
A study by Raheel Ahmed Shaikh and colleagues models the most cost-efficient path to Australia's fully renewable electricity grid. The optimal route would require significant expansion of generation and storage, but could reduce costs with interconnection between eastern and western grids.
The new method uses femtosecond lasers to form glass-to-glass welds, eliminating the need for plastic polymer sheets that hinder recycling. The recycled materials can be easily reused, extending the life of solar modules.
Decarbonizing China's Southern Power Grid could lead to ecological and sociological trade-offs, including reducing cropland in favor of solar and wind power, impacting river basins like the Salween and Mekong. Building dams for hydropower production would also negatively affect ecosystems and fisheries.
A new study reveals that a single hurricane can wipe out 5-10% of New England's total aboveground forest carbon through tree damage. The research team analyzed the impact of 10 powerful hurricanes on the region's forests and found that future storms could pose a significant risk to carbon offset programs.
Researchers in Brazil develop semiconductors that efficiently remove toxic substances from real-world textile wastewater using solar energy. The material, inexpensive and easy to produce, has potential applications in industry for wastewater treatment.
A new study published in Nature Energy suggests that floating solar photovoltaics (FPV) could produce 20-100% of the electricity expected from Africa's planned hydropower dams. This approach would reduce environmental impacts and promote sustainable development by avoiding large dams' negative effects on communities and ecosystems.
A new study found that affordable solar panels are being used in rural Ethiopian villages, offering a healthy alternative to kerosene lamps and supporting education. However, uncertified panels break easily and lack maintenance support, creating environmental pollution.
Researchers from Lehigh University have developed a material that promises over 190% quantum efficiency in solar cells, exceeding the theoretical limit for silicon-based materials. The material's 'intermediate band states' enable efficient absorption of sunlight and production of charge carriers.
Researchers at ICFO have fabricated a new four-terminal tandem organic solar cell with a high power conversion efficiency of 16.94%, achieving a significant improvement over previous records for four-terminal tandem devices. The device features an ultrathin transparent silver electrode, enabling efficient light transmission and operation.
Researchers from UNC-Chapel Hill develop a process using semiconductors and organic compounds to convert CO2 into carbon monoxide, producing a less harmful greenhouse gas. The method uses artificial photosynthesis and achieves 87% efficiency in converting CO2 into carbon monoxide.
A new study by Stanford researchers finds that factory and warehouse rooftops can host solar resources to fill the solar equity gap in disadvantaged communities. Non-residential rooftops generate 38% less electricity in poorer areas than wealthier ones, but have large unused capacity to produce solar power.
Researchers at DGIST developed a device that converts frictional force into electrical energy, removing surface contamination on solar cells. The technology enhances solar power generation efficiency by up to 90% and eliminates the need for manual cleaning.
A Washington State University-led study found that widespread, extreme temperature events can capture greater solar radiation and higher wind speeds to help power grids. This analysis suggests using more renewable energy at these times could reduce strain on grids during increased energy demand.
A team of chemists at UNC-Chapel Hill has developed a unique approach to harnessing sunlight to produce hydrogen gas. By inducing catalysts to self-assemble into globules, they create a more efficient system for splitting water into its constituent elements - hydrogen and oxygen.
A tandem approach for better solar cells involves combining perovskite-based photovoltaics with traditional silicon to minimize losses and increase efficiency. The technology has shown promise in laboratory settings but faces significant practical challenges, including reliability and scalability issues.
A new study by Cornell University researchers suggests that combining cryptocurrency mining with green hydrogen technology can significantly boost renewable energy production. The approach, known as the 'dynamic duo,' has the potential to accelerate wind and solar capacity growth across the US.
Researchers have developed a new method to manufacture perovskite solar cells, which can convert electricity more efficiently than current silicon panels. The addition of dimethylammonium formate enables coating outside the small box, increasing efficiency and stability, with potential applications in electric vehicles and other devices.
Researchers at Brookhaven National Laboratory and University of North Carolina Chapel Hill develop a room-temperature conversion reaction strategy to convert carbon dioxide into methanol. The process employs a recyclable organic reagent and sunlight, producing an easily storable and transportable liquid fuel.
Researchers at Kaunas University of Technology developed a new material for perovskite solar cells, which exhibits better power conversion efficiencies and operational stability. The material, synthesised through polymerisation, can be used in both regular and inverted architecture solar cells.