Articles tagged with Perovskites
Researchers at UCLA have developed a strategy to improve the efficiency of electrical current entering perovskite semiconductors, enabling faster and lower-power devices. By creating a thin, locally modified region under the metal contact, they enabled electrons to pass through the barrier using quantum mechanical tunneling.
Scientists at Linköping University successfully created quantum bits using perovskite materials, overcoming previous theoretical limitations. The breakthrough enables the creation of more affordable quantum computers with improved scalability.
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 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.
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.
A team of researchers successfully enhanced the stability and performance of perovskite solar cells by introducing light-switchable molecules into grain boundaries. The new material design increases operational stability and lifespan while maintaining competitive performance.
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.
University of Oklahoma researchers created new hybrid materials that emit light quickly when exposed to radiation. The materials combine the strengths of both organic and inorganic components, resulting in a five-fold increase in light emission efficiency compared to organic molecules alone.
Professor Tae-Woo Lee's research team has developed a 'Cold-injection' method to synthesize high-quality perovskite nanocrystals at room temperature, overcoming safety risks and production costs. The technology achieved near-unity photoluminescence quantum yield in a large-scale synthesis of 20 liters.
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 study led by University of Liverpool scientists used advanced electron microscopy techniques to analyze olivine crystals. The research found that a significant proportion of the crystals showed evidence of 'b' dislocation slip, challenging previous understanding and improving our understanding of Earth's mantle deformation.
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.
Researchers developed a scalable, eco-friendly method to produce chiral perovskite nanocrystal/ethyl cellulose ink with exceptional stability and processability. The new ink enables the fabrication of flexible, high-performance circularly polarized luminescent films and patterns.
A new additive, ammonia borane, is found to enhance perovskite solar cells by lifting certified efficiency to 25.98%. This improvement is achieved through a simplified coating process, cutting steps by 30% and enabling immediate upgrades for gigawatt-scale production lines.
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.
Researchers developed a gas-phase method to grow compact capping layers on halide perovskite single crystals, resulting in ultra-sensitive X-ray detectors with record-breaking performance. The new detectors boast improved signal stability, faster response times and lower dark currents.
Researchers developed a 3D electrical imaging technique to study defect passivation in perovskite films. The study found that bulk and surface passivation strategies improved charge transport, with filmstreated with both showing the most uniform conductive pathways.
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 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.
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.
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.
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.
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.
Metal halide perovskites have higher X-ray sensitivities than semiconductors. However, nonlinear current responses arise under DC and irradiation, limiting device reliability. A novel AC bias capacitance readout strategy overcomes this challenge.
A new self-buffered molecular migration strategy enables record efficiencies in ambient-air crystallization of perovskite films without humidity control. This innovation unlocks wider processing windows and improves stability for next-generation photovoltaic manufacturing.
Researchers develop high-performance metal halide perovskite heterojunction photocatalysts to boost efficiency and transition to real-world solar-to-chemical technologies. The innovative designs and features of MHP-based heterojunctions are crucial for overcoming stability and charge recombination issues in solar-driven redox reactions.
Researchers have developed a halide perovskite volatile unipolar nanomemristor that achieves energy-efficient switching with minimal power consumption. The device uses a monocrystal nanocube with chemical composition CsPbBr3, placed between chemically inert contacts, to enable fast computation and readable memory states.
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.
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.
Researchers developed a novel MoOX/Ag/MoOX sandwich-structured buffer layer to improve semi-transparent CsPbI₃-based perovskite solar cells and four-terminal tandem solar cells. The MAM buffer layer enhances light transmittance and charge carrier transport, achieving high efficiencies of up to 26.55% in 4-T tandem minimodules.
Researchers developed a method to control crystal growth and orientation, leading to higher efficiency (25.85%) and improved stability under humid and thermal conditions. The in-situ reaction promotes directional growth, larger crystal sizes, and suppressed defect states.
Researchers developed a lattice-anchoring strategy to stabilize α-FAPbI3 perovskite for ultra-sensitive and stable X-ray detection. This breakthrough enables cost-effective, real-world imaging applications with improved sensitivity and stability.
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.
Researchers at Universitat Jaume I develop cost-effective, high-performance chiral LEDs with enhanced optical properties. The RADIANT project aims to simplify display architectures and save energy consumption by leveraging scalable chiral metasurfaces.
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.
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.
Researchers developed high-quality Sn-based perovskite films using a bifunctional additive, achieving remarkable device performance with high mobility and excellent operational stability. The study provides insights into regulating tin-based perovskite crystallization and advancing the development of high-performance FETs.
Researchers create nanoscale slots to tune phonon vibrations, enabling ultrastrong coupling and hybrid quantum states in lead halide perovskite. This breakthrough could improve energy flow and performance in optoelectronics.
Researchers used quantum-chemical molecular dynamics to visualize the ultrafast formation of polarons in NaTaO3, a key photocatalyst for solar water splitting. Positive hole polarons stabilize rapidly and significantly within 50 femtoseconds, while electron polarons show insignificant stabilization energy change.
Scientists developed a custom Kelvin probe force microscopy system to study the chiral-induced spin selectivity effect in chiral halide perovskites. The study reveals nanoscale 'spin maps' that show the strength and spatial uniformity of the CISS effect.
Researchers at UESTC developed a novel method to enhance metal-halide perovskite photocatalysts by precisely controlling internal lattice tension, leading to a fivefold increase in CO fuel production. The strain modified the electronic structure, slowing down charge recombination and lowering the reaction barrier.
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.
Exciton-polaritons in perovskites enable ultra-efficient photoluminescence, polariton lasing, and low-power laser applications. Perovskite semiconductors facilitate strong coupling at room temperature through simple methods, paving the way for robust and scalable photonic technologies.
Researchers develop an in-situ passivation strategy to overcome efficiency bottlenecks in thermally evaporated pure blue perovskite LEDs. The approach coordinates Pb(II) and suppresses halide-vacancy defects, achieving color-stable pure-blue emission with high luminance.
Physicians rely on nuclear medicine scans to watch the heart pump, track blood flow and detect diseases. The new perovskite-based detector can capture individual gamma rays with record-breaking precision, leading to sharper, faster, cheaper and safer scans.
A research team at Zhejiang University has demonstrated a simple method to overcome the problem of Auger recombination in perovskite lasers, leading to record-setting performance for near-continuous operation. By suppressing this process, researchers were able to sustain carrier densities required for efficient stimulated emission.
Researchers challenge conventional wisdom that grain boundaries in perovskite solar cells are detrimental to performance. Grain boundaries act as 'highways' for charge separation, improving photocurrent and carrier extraction in high-efficiency devices.
Researchers developed a hybrid-interlocked self-assembled monolayer strategy to enhance device stability in perovskite indoor photovoltaics. The optimized devices achieved record indoor power conversion efficiency of 42.01% and projected T90 lifetime approaching 6000 hours.
Scientists at Kyushu University have created a solid oxide fuel cell that operates at a low temperature of 300°C, overcoming a major hurdle in their development. The breakthrough uses scandium to create a 'ScO6 highway' for protons to travel efficiently, enabling the production of affordable hydrogen power.
Metal-halide-perovskite scintillators have made significant advancements in light yield, timing, flexibility, and multi-energy imaging. These innovations enable ultra-low-dose imaging, sub-nanosecond timing, flexible curved platforms, and stacked scintillators with interlayer optical filters.
Researchers developed a new method to activate water-splitting catalysts at an oven temperature of just 300 °C, boosting oxygen evolution efficiency by nearly sixfold. This breakthrough enables large-scale energy storage and conversion using solar and wind power.
Scientists investigated how Pr content impacts perovskite oxide crystal structure and oxygen exchange. Higher Pr content led to disorder phase transition and improved orbital hybridization, accelerating oxygen exchange. The discovery provides guidance for designing high-performance SOEC anodes.
Researchers introduced a novel approach for fabricating high-performance near-infrared perovskite light-emitting diodes (NIR-PeLEDs) using triple-source thermal co-evaporation. This strategy directly forms the black-phase α-FACsPbI3 perovskite, overcoming phase instability and surface roughness issues.
Researchers developed a protective coating called PDAI2 to shield perovskite solar cells from space damage. The coating helps the cells survive in harsh conditions, allowing for longer operation times and improved efficiency.
Researchers used AI to predict key properties of halide perovskites, enabling rapid design and optimization of more efficient solar materials. The findings provide valuable insights into the rational design of halide perovskites with tailored properties.
Researchers developed a silane coupling agent strategy that improves interfacial adhesion and charge extraction in wide-bandgap perovskite solar cells. This approach reduces defects and non-radiative recombination, leading to high efficiency and stability.
Researchers introduce a simple protocol to simultaneously passivate defects at the SnO2/perovskite bottom interface and the perovskite/carbon top interface of hole transport layer-free carbon-electrode perovskite solar cells. The result is a champion device delivering high power conversion efficiency and ambient durability.
Researchers developed a strategy to control high-concentration precursor crystallization, enabling the formation of thick, high-quality perovskite films that minimize photon loss. The optimized bifacial solar cells achieved record-breaking power conversion efficiency and outstanding operational stability.
Researchers investigated pulsed operation of perovskite LEDs to understand the role of mobile ions in maintaining stable light emission. They found a constant transient electroluminescence signal with higher intensity at higher duty cycles, which decreased with increasing duty cycle.