Articles tagged with Photovoltaics
A new study reveals rooftop solar panels can offset nearly half of increased electricity demand during peak cooling periods. Climate change alone is projected to push up residential cooling demand by 5%, but rooftop solar growth could halve this additional load, easing pressure on the grid.
Researchers introduce a photoisomeric additive that anchors mobile ions and stabilizes the material during UV exposure, improving device performance. The study shows improved film quality, reduced degradation, and enhanced power conversion efficiency.
Researchers have developed a new passivation strategy to improve the efficiency and operational stability of perovskite/silicon tandem solar cells. The method uses polystyrene nanospheres as a template to deposit an insulating layer, suppressing electrical leakage and achieving high power conversion efficiencies.
A study by National Taipei University of Technology found that offshore floating solar systems can generate up to 12% more electricity than traditional land-based systems. This increased energy output leads to greater carbon emission reductions due to the cooling effect of surrounding water, which absorbs heat and improves efficiency.
Researchers developed an additive design strategy to control crystallization in all-perovskite tandem solar cells, achieving a certified power conversion efficiency of 30.3%. The strategy promotes homogeneous nucleation and uniform crystal growth, improving film uniformity and reducing defects.
Researchers at Rice University have developed a method to make perovskite-based photovoltaics more durable by adding two key ingredients, skipping the yellow phase and degrading slower. The films retain 98% of their initial efficiency even after 1,200 hours of exposure.
A new universal model explains and guides energy level alignment in perovskite solar cell interfaces using hole-collecting monolayers, enabling optimized interfacial energy levels and reduced development time. The study provides practical guidance for designing materials with improved performance for emerging solar technologies.
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.
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.
Using three-dimensional electron diffraction, researchers demonstrate that electrons can provide averaged structural information previously accessible only with X-rays. They also optimize the electron dose and develop tailored acquisition strategies to probe highly sensitive nanocrystalline structures while preserving the material.
Researchers developed a novel spatial-confinement strategy to stabilize high-efficiency perovskite solar cells. The new design creates a 'molecular lock' at the interface, improving durability and thermal cycle stability.
Rice University scientists have created a new type of two-dimensional semiconductor that exhibits no distortions, allowing for efficient energy transfer. The material's performance is an order of magnitude better than previously reported perovskites, making it suitable for applications such as solar cells and tandem devices.
TUM researchers have identified the microscopic causes of instability in perovskite solar cells and developed a strategy to prevent degradation through temperature swings. They discovered that a 'burn-in' phase triggers early loss of relative performance, but using special organic molecules as spacers can stabilize the material.
Researchers developed an innovative colloidal chemistry strategy to enhance the performance of all-perovskite tandem solar cells, achieving a power conversion efficiency of 29.76%. The unified carboxylate-based modulator system regulates nucleation dynamics, suppressing phase segregation and promoting uniform crystal growth.
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.
Researchers integrated transient optical spectroscopy with ultrafast electron microscopy to capture both electronic and structural dynamics simultaneously. This enables the study of heterogeneous materials, phase transitions, and light-driven functional responses with implications for solar cells, quantum computing, and next-generation...
A novel strategy to regulate the buried interface through multifunctional molecular bridges enables efficient defect passivation and improved energy-level alignment. This results in improved efficiency and long-term stability of perovskite solar cells.
A novel multi-stage concentrating and spectrum-splitting coupling approach is proposed for complementary PV-TPV conversion. The system decouples temperature and concentration ratios, enabling efficient thermophotovoltaic conversion of high-energy photons.
Industry-wide shift towards n-type TOPCon technology dominates market share, with silicon solar cells reaching new heights in efficiency. Perovskite solar cells break single-junction barrier, while organic solar cells cross 20% efficiency threshold.
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.
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.
Xiwen Gong and Zhen Xu, both from the University of Michigan Engineering, received the award for developing optoelectronics and histotripsy, a cancer treatment using sound waves. The new treatment can spare patients from chemotherapy and radiation therapy.
Researchers at ISTA discover perovskites' unique photovoltaic properties rely on structural defects, enabling long-range charge transport. This finding accelerates the transition of next-gen perovskite solar cells to real-world applications.
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...
A new stabilization approach for perovskite solar cells effectively blocks photo-induced decomposition pathways, delivering a certified power conversion efficiency above 26%. The strategy suppresses radical reactions responsible for light-induced degradation by scavenging reactive oxygen species and passivating electronic defects.
A new bilayer perovskite strategy improves long-term stability in solar cells by combining a hybrid organic-inorganic absorber with an ultrathin inorganic capping layer. The approach delivers record-level efficiency together with exceptional operational stability, demonstrating a viable pathway toward durable, high-performance perovski...
NTU Singapore is launching three new space projects under the Space Access Programme to accelerate the commercialization of space technologies. The projects include an AI-enabled satellite, a nanosatellite testing next-generation solar cells, and another nanosatellite with advanced propulsion systems.
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.
Scientists introduce a groundbreaking approach to generate significant photocurrents from perfectly symmetric materials by engineering surface electronic states. This discovery opens new pathways for designing ultrafast spintronic devices and energy harvesting systems.
Researchers used a quantum device to simulate a vibrating molecule, tracking how energy moves within it. They found that vibrations can actively steer energy flow in unexpected ways, speeding up transfer and opening new pathways.
Researchers tested large-scale roofing assemblies with mounted PV solar panels, exposing the leading edge to flame and crosswind to understand fire hazards. The study aims to update building codes and fire mitigation protocols for commercial and industrial solar panel installations.
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.
The new vapour-deposition method delivers unprecedented durability in perovskite–silicon tandem solar cells, achieving over 30% power-conversion efficiency and operating stability exceeding 2,000 hours. This breakthrough paves the way for real-world deployment of tandem solar modules.
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.
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%.
Agrivoltaics systems can significantly augment quality of life for farmworkers by providing shelter from the sun, cooler drinking water, and reduced fatigue. Researchers found that these systems can reduce wet bulb globe temperature by up to 5.5 degrees Celsius, making them a crucial tool in protecting farmworkers from heat stress.
Researchers have developed flexible perovskite solar modules with power conversion efficiency (PCE) over 20% using acid-treated carbon nanotubes as window electrodes. These modules exhibit improved stability, bendability, and scalability, making them a promising solution for sustainable energy systems.
L. Jay Guo, University of Michigan professor, recognized for scalable nanopatterning technology enabling next-gen flexible electronics and structural color applications. His work has attracted interest from major companies like Samsung and Toyota.
The VTA method creates an optimal internal architecture within photovoltaic material, resulting in devices with high performance and extended stability. Champion cells reached 20.5% power conversion efficiency and demonstrated improved structural organization and reduced degradation.
Scientists have detected the faint signals of electrons in organic materials, revealing new insights into the physics of photodegradation and long-term photoemission processes. By reimagining conventional spectroscopy setups, researchers have captured the exact mechanisms of weak charge accumulation, providing direct evidence for multi...
A new study found that tin-perovskite solar cells have significantly lower ion density and degrade five times slower than lead-based cells. The tin material also exhibits excellent stability during operation, paving the way for developing innovative thin-film solar cells.
Researchers have developed a breakthrough strategy for ultraflat, electronically homogeneous perovskite films through supramolecule-confined growth. This innovative approach enhances reproducibility and performance of perovskite solar cells.
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.
A new monitoring system using synchronized sensors provides detailed information on solar plant performance every tenth of a second, enabling more accurate predictions. This allows for more realistic auction settings and improved grid stability.
Researchers have developed two novel fullerene derivatives to stabilize inverted perovskite solar cells, achieving higher efficiency and stability. The new electron transport layers show improved performance and operational stability under continuous light exposure.
Scientists have achieved control over the atomic structure of perovskites, creating a finely tuned energy sandwich that could transform how solar cells, LEDs, and lasers are made. The new method enables precise control over the thickness of films and interaction between layers, paving the way for scalable and high-performance devices.
Researchers at MIT have developed a nearly impermeable polymer film that could protect solar panels and infrastructure from corrosion. The film, made using a solution-phase polymerization reaction, completely repels nitrogen and other gases, outperforming existing polymers.
A novel coating at the interface between perovskite and top contact layer boosts efficiency to almost 27% and increases stability by 2,000 hours under standard illumination. The fluorinated compound forms a protective barrier, reducing defects and losses.
Scientists have developed a novel 'double molecular bridge' strategy to enhance charge transport in perovskite solar cells, leading to improved efficiency and reduced nonradiative losses. This breakthrough confirms the importance of interfaces in perovskite photovoltaics and opens up new avenues for interface engineering.
Two-dimensional materials are being explored for their potential to revolutionize photovoltaics, with a focus on improving efficiency and stability. The review highlights the innovative design and features of these materials, as well as their promising applications in next-generation photovoltaic technologies.
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.
Researchers at Yunnan University developed a strategy to improve the performance of printable mesoscopic perovskite solar cells by using liquid gallium nanodroplets as a heteroepitaxial template. The study achieved over 20% efficiency and exceptional stability, paving the way for scalable printing of high-performance solar cells.
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.
A new spinel-type sulfide semiconductor, (Zn,Mg)Sc2S4, has been developed by researchers at Science Tokyo. The material can be chemically tuned to switch between n-type and p-type conduction, making it suitable for pn homojunction devices in next-generation LEDs and solar cells.
Researchers at Chalmers University of Technology have developed new simulation methods using machine learning to understand halide perovskites, a promising material for efficient solar cells. The study provides insights into the structure and behavior of formamidinium lead iodide, helping to address its instability issues.
A team of researchers developed a new manufacturing process using bio-based solvents to reduce the production cost of perovskite solar cells by half and decrease climate impact by over 80%. AI-based reverse engineering technology was used to identify optimal conditions for efficiency and sustainability.
A tiny defect in perovskite solar cells could lead to permanent degradation and failure, as a small amount of reverse bias causes the materials to heat up and 'melt'. Researchers have used advanced imaging techniques to study the defects and understand how they affect device behavior.
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.