Solar Energy
Articles tagged with Solar Energy
How can renewable energy be most efficiently integrated into the electric grid?
The study reveals that renewable energy sources like solar panels and electric vehicles can lower emissions and costs, but also cause voltage regulation challenges due to variable output. Community-scale battery energy storage systems are the most viable solution to mitigate these technical vulnerabilities, offering a 52% cost advantag...
Turning plastic waste into clean fuel using sunlight
Researchers develop solar-powered technology to convert plastic waste into valuable fuels, including hydrogen and syngas, reducing reliance on fossil fuels and addressing pollution challenges.
New approach to solar cell manufacture could make perovskite panels more efficient and longer lasting
Researchers developed a method that improves perovskite solar cell performance by triggering molecular interactions at the interface between two films, resulting in more efficient and durable material. The technique achieved a power conversion efficiency of 25.61%, surpassing previous records.
Quantum dots for light technologies of the future
Researchers at LMU Munich have overcome two major hurdles in working with perovskite quantum dots: stabilization in solution and precise control of their growth. By using Gemini ligands, they created stable quantum dots that can disperse in polar solvents and exhibit high photoluminescence quantum yields.
Is that solar panel pointing in the right direction?
A new technique uses a single image to forecast solar panel energy production and maximize output. The method estimates the amount of energy that will be produced based on the angle of the sun, shadows, reflections, and weather patterns, allowing for more accurate placement and optimization of solar panels in urban areas.
SKKU publishes report on technological advances and research trends in perovskite solar cells
The report highlights rapid growth of solid-state implementation since SKKU's first successful realization in 2012, with China, US, and South Korea leading global research efforts. Sungkyunkwan University demonstrates world-class research competitiveness, ranking highly in key indicators.
New protection method could help free piston Stirling generators avoid damaging overshoot faults
Researchers have developed a fast prediction and suppression method for transient piston displacement overshoot in free piston Stirling generators. The new approach detects dangerous overshoot without relying on displacement sensors and suppresses the fault response early enough to maintain safe operation and continuous power delivery.
‘Spin-flip’ in metal complexes can help solar cells leap beyond limits
Researchers successfully captured singlet-fission-amplified excitons with a molybdenum-based emitter, achieving 130% quantum yield and pushing the limits of solar cell efficiency. The team used a metal complex called 'spin-flip' emitter to harvest multiplied energy from singlet fission.
Island Scholarship launched
The Island Scholarship programme aims to draw more talent to Orkney, supporting population retention and attraction on Scottish islands. Fifteen postgraduate students will have their fees paid in full for specialist MSc courses, with applications now open.
The solar energy available in Andalusia will increase through the end of the century
A team from the University of Córdoba developed an AI-based model that forecasts annual solar energy availability in Andalusia until 2100 using temperature data. The study found a significant positive trend in solar radiation and available energy, with peak hours increasing across all climate change scenarios.
Unlocking the potential of transport layers in solar cells: a universal design principle for high efficiency despite high extraction barriers
A new optimization method for solar cells reduces voltage drops in transport layers, enabling efficient charge separation even with high extraction barriers. Researchers achieved a 24.6% efficiency by optimizing TL thickness and carrier mobility.
Shrinking the carbon footprint of chemical manufacturing with lasers, solar radiation
Researchers at University of Illinois have developed a new method using solar energy to power a key chemical reaction in the textile, plastic, chemical, and pharmaceutical industries. This method can significantly reduce the industry's carbon footprint by eliminating harsh oxidizing byproducts and minimizing carbon emissions.
Illinois team tests the costs, benefits of agrivoltaics across the Midwest
A new study by Illinois researchers found that agrivoltaics can increase or reduce yields and profits, depending on the crop and region. The study reveals 'win-win' opportunities for soybean farmers in semi-arid regions, but highlights limitations due to high installation costs.
Researchers develop new strategy for improving inverted perovskite solar cells
A new strategy for improving inverted perovskite solar cells has been developed using a crystal-solvate pre-seeding method, enabling precise regulation of the bottom interface and paving the way for high-efficiency large-area photovoltaic modules.
For solar power to truly provide affordable energy access, we need to deploy it better
A two-year study found that small household solar power systems have limited capacity, typically only 6 watts, which does not deliver meaningful energy services. Households with access to higher-capacity systems (50+ watts) reap the most direct benefits and are more likely to adopt additional solar components.
Researchers achieve breakthrough efficiency for CZTSSe solar cells using novel strategy
A new mechanism utilizing interfacial phase equilibrium regulates metal ion migration in CZTSSe photovoltaic cells, reducing deep-level defects and improving crystalline quality. The approach achieves a record-high open-circuit voltage of over 600 mV, overcoming long-standing energy losses.
A device generates electricity from the sun and rain simultaneously
A team from the University of Seville has developed a hybrid device that captures energy from both the sun and rain, allowing for more efficient and durable photovoltaic cells. The device can generate up to 110 volts per impact from a single raindrop, powering small portable devices.
When records are not enough
A team of scientists and industry experts investigated the challenges of developing new solar cells, including copper indium gallium diselenide and perovskite. They recommend focusing on material resilience, stability, and sustainability to ensure long-term success.
Scientists achieve record efficiency in industrial tunnel oxide passivating contact solar cells
Chinese scientists have developed a dual-side electrical refinement strategy for large-area TOPCon solar cells, achieving an open-circuit voltage of 744.6 mV and a fill factor of 85.57%. The breakthrough sets a new record for industrial-scale solar cells, narrowing the gap between mass-production efficiency and theoretical limit.
Cleaner solar manufacturing could cut global emissions by eight billion tonnes
A new international study found that deploying next-generation solar panels at scale could reduce global carbon emissions by up to 8.2 billion tonnes by 2035. The technology, known as tunnel oxide passivated contact (TOPCon) photovoltaics, has lower environmental impacts in fifteen out of sixteen categories compared to the incumbent PE...
Researchers boost perovskite solar cell performance via interface engineering
A new method has been developed to engineer thin two-dimensional perovskite phases at the buried interface of three-dimensional perovskite solar cells, boosting device performance and operational stability. This technique improves crystallization quality and reduces defect concentrations by over 90 percent.
Tiny gold spheres could improve solar energy harvesting
Researchers discovered that gold nanospheres, named supraballs, can absorb nearly all wavelengths of sunlight, including near-infrared light. This technology, applied to a commercially available electricity converter, nearly doubled solar energy absorption compared to traditional materials.
Physicists predict significant growth for cadmium telluride photovoltaics
A team of University of Toledo physicists predicts significant growth for cadmium telluride photovoltaics in the US, with a target manufacturing capacity of 100 gigawatts by 2030. The technology offers advantages over silicon photovoltaics, including improved performance in hot and humid climates, and supports national energy security.
New theory suggests we could increase useful energy obtained from sunlight
Physicists at Trinity College Dublin propose a new means of capturing useful energy from light sources like sunlight, lamps, and LEDs. Theoretical analysis may lead to the development of optical devices that can channel light energy into a concentrated beam.
A new 3D-printed solar cell that’s transparent and color-tunable
A new study introduces a semi-transparent, color-tunable solar cell designed for flexible surfaces and windows. The 3D-printed pillar structure allows for precise control over light transmission and appearance, enabling better integration of solar technology into building façades and curved surfaces.
Harnessing long-wavelength light for sustainable hydrogen production
A novel osmium-based photocatalyst effectively captures long-wavelength visible light, improving solar-to-hydrogen energy conversion efficiency. The new material can harness a broader range of sunlight, generating more excited electrons to enhance hydrogen-evolution performance.
Solar hydrogen can now be produced efficiently without the scarce metal platinum
A team of researchers at Chalmers University of Technology has developed a new way to produce hydrogen gas without the use of platinum, a scarce and expensive metal. The process uses sunlight and tiny particles of electrically conductive plastic to efficiently produce hydrogen.
New solar co-electrolysis route cuts green hydrogen cost below fossil hydrogen
Researchers develop copper-modified cobalt oxyhydroxide catalyst for clean glucose oxidation, achieving high formate yield and reducing energy input. The membrane-free system delivers over 500 μmol h⁻¹ cm⁻² of hydrogen, offering a scalable and economically competitive route to green hydrogen.
Jeonbuk National University researchers reveal new interface engineering strategy for efficient and stable back-contact solar cells
Researchers at Jeonbuk National University have developed a new interface engineering strategy for back-contact solar cells, which can improve efficiency and stability. The team created a bilayer tin oxide electron transport layer that enhances interfacial contact and reduces recombination losses.
Chonnam National University researchers resolve long-standing limitation in thin-film solar cells
Researchers at Chonnam National University have developed a new approach to thin-film solar cells using a nanometric germanium oxide layer, resulting in improved performance and device stability. The innovative design boosts power conversion efficiency by up to 4.81%.
Photovoltaics: Molecular fine tuning increases efficiency of tandem solar cells
Researchers at LMU developed a new approach to molecular design for perovskite-silicon tandem cells, achieving an efficiency of 31.4%. The breakthrough involves using brominated molecules to neutralize defects and improve charge transport on rough surfaces, leading to higher efficiencies and increased stability.
Pd–CNO2 enhances efficient H2O2 photosynthesis on keto-form anthraquinone-based covalent organic framework
The study reports a novel strategy for highly efficient photocatalytic synthesis of hydrogen peroxide (H2O2) from neutral water. A Pd-CNO2 coordination structure is integrated into a keto-form anthraquinone-based covalent organic framework, developing a highly efficient single-atom catalyst.
Carbon nanotubes could power a new generation of flexible solar panels
Researchers at the University of Surrey have developed a new method to produce flexible perovskite solar cells using single-walled carbon nanotubes (SWCNTs), achieving high power conversion efficiency and stability.
Residential solar panels can raise electricity rates
A modeling study reveals that increasing numbers of households with rooftop solar panels can lead to higher rates for those without their own solar system. As the cost of solar systems falls, more customers defect from the grid, leading to increased rates and a 'utility death spiral' that disproportionately affects low-income households.
New molecular layer helps perovskite–silicon solar cells last longer under heat
Researchers at NUS developed a new heat-resistant material to strengthen the weakest link in perovskite-silicon tandem solar cells. The cross-linked molecular layer improved durability and efficiency over 1,200 hours of continuous operation.
Floating solar panels show promise, but environmental impacts vary by location, study finds
A new study finds that floating solar panel systems can have varying effects on aquatic ecosystems depending on the reservoir's depth, circulation dynamics, and fish species. The cooling effect of the water can boost panel efficiency, but increased variability in habitat suitability for aquatic species is also observed.
McGill study shows low-grade heat from renewable sources could be used to desalinate water
A McGill University-led research team has demonstrated the feasibility of thermally driven reverse osmosis (TDRO) for desalinating seawater, utilizing low-grade heat from solar thermal and geothermal energy. The cost-effective technique could improve access to water and increase sustainability in infrastructure.
Mechanical power by linking Earth’s warmth to space
Researchers at UC Davis invent a Stirling engine that can harness the natural warmth of the ground and cold depths of space to generate mechanical power. The device has been shown to produce up to 400 milliwatts of power per square meter, with potential applications in ventilating greenhouses and residential buildings.
PolyU research drives commercialization of energy-efficient solar cell technology towards 40% efficiency milestone
The Hong Kong Polytechnic University (PolyU) has achieved a breakthrough in perovskite/silicon tandem solar cells, focusing on improving efficiency, stability and scalability. The team aims to raise the energy conversion efficiency from 34% to 40%, while promoting industry-academia-research collaboration.
Potential of new materials for absorbing 99.5% of light on solar towers demonstrated at the EHU
Researchers from the University of the Basque Country have developed ultrablack copper cobaltate nanoneedles that can absorb up to 99.5% of light, surpassing existing carbon nanotubes which absorb around 99%. This breakthrough could significantly improve the efficiency and competitiveness of concentrated solar power plants.
Perovskites reveal ultrafast quantum light in new study
Researchers at the University of Cambridge have discovered ultrafast quantum light in halide perovskites, which can be harnessed for future photonic technologies. The findings suggest a practical and affordable route to explore ultrafast quantum technology.
Study documents wind regulations across all Kansas counties, can help guide energy policies nationwide
The study found that about 70% of Kansas counties have some form of regulations, with 40% having enabling regulations to accommodate wind development. Counties in western and southern parts of the state tend to have more restrictive regulations, while rural areas with agricultural economies are more likely to have enabling regulations.
PolyU research achieves record efficiency in semi-transparent solar cells, advancing the development of building-integrated photovoltaics
Researchers at PolyU developed an innovative parameter to evaluate photoactive materials for ST-OPVs, advancing high-performance devices with low-cost production and environmental sustainability. Record light utilisation efficiency of 6.05% was achieved in semi-transparent solar cells.
Solar-powered method lights the way to a ‘de-fossilized’ chemical industry
Researchers at the University of Cambridge have developed a hybrid device that combines light-harvesting organic polymers with bacterial enzymes to convert sunlight, water and carbon dioxide into formate, a fuel that can drive further chemical transformations. The new 'semi-artificial leaf' mimics photosynthesis and avoids toxic semico...
Optimizing exciton and charge‑carrier behavior in thick‑film organic photovoltaics: a comprehensive review
Thick-film organic photovoltaics (OPVs) hold promise for high-efficiency, scalable, and cost-effective solar cells. The study establishes guidelines for designing high-performance OPVs by bridging the gap between laboratory achievements and industrial manufacturing.
Can solar farms become future refuges for bumblebees?
A new study suggests that well-managed solar farms with wildflower margins could double bumblebee numbers within themselves. However, their benefits are largely constrained to the local site and have a limited impact on wider landscapes.
Old solar panels can power new future
Researchers have identified key barriers to safely extending the life of solar panels and decreasing waste. One major challenge is the low cost of new panels undercutting the resale market for used systems.
Solar energy is now the world’s cheapest source of power, a Surrey study finds
A new study by the University of Surrey finds that solar energy has become the world's cheapest source of power, with costs ranging from £0.02 per unit in sunny countries. The research highlights the increasing adoption of hybrid systems combining solar panels with batteries to create a more reliable and dispatchable source of power.
Next-generation perovskite solar cells are closer to commercial use
Researchers at Kaunas University of Technology develop a passivation strategy to improve stability and efficiency of fully inorganic perovskite solar cells. The innovation enables the creation of stable 2D/3D heterostructures, achieving record-breaking efficiencies and long-term stability.
Global efficiency record set for large triple-junction perovskite solar cell
A University of Sydney-led team has created the largest and most efficient triple-junction perovskite-perovskite-silicon tandem solar cell reported, demonstrating high efficiency and durability. The 16 cm² cell achieved an independently certified steady-state power conversion efficiency of 23.3 percent.
New review reveals path to economically viable solar hydrogen
A groundbreaking review article reveals that solar-driven water electrolysis can be used to produce high-value chemicals sustainably, transforming the industry from cost-losing to economically compelling. The paper argues that introducing high-value syntheses into solar electrolysis systems could revolutionize the field.
Utrecht University acquires Solar Farm, taking a unique step towards CO₂ neutrality
Utrecht University has acquired full ownership of the Solar Farm Bunnik, generating over 16GWh of renewable electricity annually. The move aims to reduce dependence on fossil fuels and contribute to the university's ambitious CO₂-neutral target by 2030.
Double harvest: Vertical solar panels and crops thrive side by side
Researchers at Aarhus University found that vertical solar panels can generate electricity without compromising crop yields, even with reduced shade. The system requires less land than separate installations and is better received by the public due to its innovative design.
‘Re-entrant’ mixing behavior in organic solar cells necessitates new modeling approach
Researchers created phase diagrams for organic solar cells and found that mixing behavior depends on temperature, requiring additional parameters for accurate prediction. The work could accelerate the development of improved materials for high-efficiency solar cells.
Rice researchers turn wasted data center heat into clean power
A new study from Rice University introduces a novel solar thermal-boosted organic Rankine cycle (ORC) system that can recover 60-80% more electricity annually from waste heat in data centers. The approach achieves over 8% higher ORC efficiency during sunny peak hours and lowers the cost of electricity by 5.5-16.5%.
Solar panels in space could cut Europe’s renewable energy needs by 80%
A new study suggests that space-based solar power could reduce Europe's need for land-based renewable energy by up to 80%, cutting energy storage needs by over two-thirds. The technology also saves money by reducing the cost of the entire power system, with estimated annual savings of €35.9 billion.
Putting solar panels in space could aid Europe’s net-zero transition
A study published in the journal Joule estimates that space-based solar power could reduce Earth-based renewable energy costs by 7-15% and offset up to 80% of wind and solar power by 2050. The heliostat design, with higher potential for continuous solar energy capture, would outperform wind and solar power.
Sharing is power: do the neighbourly thing when it comes to solar
A new study reveals that households with solar panels can increase their returns by selling surplus power directly to their neighbours through peer-to-peer energy sharing. This approach helps stabilize the electricity grid and negotiates a better price for households compared to traditional grid export arrangements.
Black metal could give a heavy boost to solar power generation
Researchers at the University of Rochester have developed a new type of solar thermoelectric generator that can harness thermal energy in addition to sunlight. The device is 15 times more efficient than current state-of-the-art devices, making it a promising source of renewable energy.