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View article: Ruddlesden–Popper Defects Act as a Free Surface: Role in Formation and Photophysical Properties of CsPbI<sub>3</sub>
Ruddlesden–Popper Defects Act as a Free Surface: Role in Formation and Photophysical Properties of CsPbI<sub>3</sub> Open
The perovskite semiconductor, CsPbI 3 , holds excellent promise for solar cell applications due to its suitable bandgap. However, achieving phase‐stable CsPbI 3 solar cells with high power conversion efficiency remains a major challenge. R…
View article: NTIRE 2025 Challenge on Event-Based Image Deblurring: Methods and Results
NTIRE 2025 Challenge on Event-Based Image Deblurring: Methods and Results Open
This paper presents an overview of NTIRE 2025 the First Challenge on Event-Based Image Deblurring, detailing the proposed methodologies and corresponding results. The primary goal of the challenge is to design an event-based method that ac…
View article: Locating the Atoms at the Hard-soft Interface of Gold Nanoparticles
Locating the Atoms at the Hard-soft Interface of Gold Nanoparticles Open
Surface structure affects the growth, shape and properties of nanoparticles. In wet chemical syntheses, metal additives and surfactants are used to modify surfaces and guide nanocrystal growth. To understand this process, it is critical to…
View article: A review on direct regeneration of spent lithium iron phosphate: From waste to wealth
A review on direct regeneration of spent lithium iron phosphate: From waste to wealth Open
Lithium iron phosphate (LFP) batteries are widely used due to their affordability, minimal environmental impact, structural stability, and exceptional safety features. However, as these batteries reach the end of their lifespan, the accumu…
View article: 3D E-textile for Exercise Physiology and Clinical Maternal Health Monitoring
3D E-textile for Exercise Physiology and Clinical Maternal Health Monitoring Open
Electronic textiles (E-textiles) offer great wearing comfort and unobtrusiveness, thus holding potential for next-generation health monitoring wearables. However, the practical implementation is hampered by challenges associated with poor …
View article: A clean and sustainable method for recycling of lithium from spent lithium iron phosphate battery powder by using formic acid and oxygen
A clean and sustainable method for recycling of lithium from spent lithium iron phosphate battery powder by using formic acid and oxygen Open
With the widespread adoption of lithium iron phosphate (LiFePO4) batteries, the imperative recycling of LiFePO4 batteries waste presents formidable challenges in resource recovery, environmental preservation, and socio-economic advancement…
View article: A Low-Power Impedance-to-Frequency Converter for Frequency-Multiplexed Wearable Sensors
A Low-Power Impedance-to-Frequency Converter for Frequency-Multiplexed Wearable Sensors Open
We propose a low-power impedance-to-frequency (I-to-F) converter for wearable transducers that change both its resistance and capacitance in response to mechanical deformation or changes in ambient pressure. At the core of the proposed I-t…
View article: The role of ion migration, octahedral tilt, and the A-site cation on the instability of Cs1-xFAxPbI3
The role of ion migration, octahedral tilt, and the A-site cation on the instability of Cs1-xFAxPbI3 Open
Organic-inorganic hybrid perovskites are promising materials for the next generation photovoltaics and optoelectronics; however, their practical application has been hindered by poor structural stability mainly caused by ion migration and …
View article: Low-dose methods for atomic-scale transmission electron microscopy of perovskite solar cells: structure, defects and performance
Low-dose methods for atomic-scale transmission electron microscopy of perovskite solar cells: structure, defects and performance Open
Metal halide perovskite semiconductors, with are commonly formulated as ABX3 (Figure 1, where A = organic cation, such as methylammonium (MA + ), formamidinium (FA + ) or inorganic Cs+; B = Pb2+, Sn2+, Ge2+; and X = halogen), have emerged …
View article: Biosonar activity of the Indo-Pacific humpback dolphin (Sousa chinensis) near the tunnel section of the world’s longest cross-sea bridge—the Hong Kong-Zhuhai-Macao Bridge—is negatively correlated with underwater noise
Biosonar activity of the Indo-Pacific humpback dolphin (Sousa chinensis) near the tunnel section of the world’s longest cross-sea bridge—the Hong Kong-Zhuhai-Macao Bridge—is negatively correlated with underwater noise Open
Underwater noise pollution from the world’s longest cross-sea bridge—the Hong Kong-Zhuhai-Macao Bridge (HZMB)—which stretches across the Chinese White Dolphin National Nature Reserve (of the People’s Republic of China, PRC) in the Pearl Ri…
View article: Instability of Cs1-xFAxPbI3 quantum dots – the role of ion migration, octahedral tilt and the A-site cation
Instability of Cs1-xFAxPbI3 quantum dots – the role of ion migration, octahedral tilt and the A-site cation Open
Organic-inorganic hybrid perovskites are promising materials for the next generation photovoltaics and optoelectronics; however, their practical application has been hindered by poor structural stability mainly caused by ion migration and …
View article: A Portable and a Scalable Multi-Channel Wireless Recording System for Wearable Electromyometrial Imaging
A Portable and a Scalable Multi-Channel Wireless Recording System for Wearable Electromyometrial Imaging Open
Electromyometrial imaging (EMMI) technology has emerged as one of the promising technology that can be used for non-invasive pregnancy risk stratification and for preventing complications due to pre-term birth. Current EMMI systems are bul…
View article: <b>The role of ion migration, octahedral tilt, and the A-site cation on the instability of </b><b>Cs</b><sub><strong>1-x</strong></sub><b>FA</b><sub><strong>x</strong></sub><b>PbI</b><sub><strong>3</strong></sub>
<b>The role of ion migration, octahedral tilt, and the A-site cation on the instability of </b><b>Cs</b><sub><strong>1-x</strong></sub><b>FA</b><sub><strong>x</strong></sub><b>PbI</b><sub><strong>3</strong></sub> Open
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View article: Copper assisted symmetry and size control of gold nanobars
Copper assisted symmetry and size control of gold nanobars Open
Gold nanocuboids provide a simple nanoparticle system for investigating nanocrystal growth mechanisms. Symmetry breaking in the presence of copper additive is caused by rapid deposition on {111} facets coupled with slow surface diffusion o…
View article: Instability of Cs1-xFAxPbI3 quantum dots – the role of ion migration, octahedral tilt and the A-site cation
Instability of Cs1-xFAxPbI3 quantum dots – the role of ion migration, octahedral tilt and the A-site cation Open
Source image files relevant to this paper are provided here.
View article: Toward Uniaxially Textured CsPbIBr<sub>2</sub> Perovskite Thin Films with Twin Domains by Potassium Incorporation
Toward Uniaxially Textured CsPbIBr<sub>2</sub> Perovskite Thin Films with Twin Domains by Potassium Incorporation Open
With the recent success of solution-processed inorganic halide perovskites in optoelectronic applications, the ability to control crystal grain morphology, size, and orientation is of great interest to further optimize material properties …
View article: A real-time passive acoustic monitoring system to detect Yangtze finless porpoise clicks in Ganjiang River, China
A real-time passive acoustic monitoring system to detect Yangtze finless porpoise clicks in Ganjiang River, China Open
Phocoenidae live in fresh, coastal waters where they often share a significant portion of their habitat with humans. As a result, local activities (e.g., coastal fisheries and shipments) cause underwater noise pollution and threaten their …
View article: Stretchable Sponge Electrodes for Long-Term and Motion-Artifact-Tolerant Recording of High-Quality Electrophysiologic Signals
Stretchable Sponge Electrodes for Long-Term and Motion-Artifact-Tolerant Recording of High-Quality Electrophysiologic Signals Open
[Image: see text] Soft electronic devices and sensors have shown great potential for wearable and ambulatory electrophysiologic signal monitoring applications due to their light weight, ability to conform to human skin, and improved wearin…
View article: Shape Control Beyond the Seeds in Gold Nanoparticles
Shape Control Beyond the Seeds in Gold Nanoparticles Open
In typical seed-mediated syntheses of metal nanocrystals, the shape of the nanocrystal is determined largely by the seed nucleation environment and subsequent growth environment (where "environment"refers to the chemical environment, inclu…
View article: From Convergent Beam Electron Diffraction to 4D-STEM: New opportunities for revealing structure at the atomic scale
From Convergent Beam Electron Diffraction to 4D-STEM: New opportunities for revealing structure at the atomic scale Open
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View article: Finding Meaning in 4D STEM: Strategies for Extracting Targeted Specimen Information
Finding Meaning in 4D STEM: Strategies for Extracting Targeted Specimen Information Open
An abstract is not available for this content so a preview has been provided. As you have access to this content, a full PDF is available via the ‘Save PDF’ action button.
View article: Transmission Electron Microscopy Study of Gold Nanocubes: Twinning and Anisotropic Growth
Transmission Electron Microscopy Study of Gold Nanocubes: Twinning and Anisotropic Growth Open
This thesis aims to progress our understanding of gold nanoparticle growth mechanisms. Gold nanocubes, with their simple cubic symmetry, is used as a model system. Using conventional and specially developed electron microscopy techniques, …
View article: Experimental and numerical observation of dark and bright breathers in the band gap of a diatomic electrical lattice
Experimental and numerical observation of dark and bright breathers in the band gap of a diatomic electrical lattice Open
We observe dark and bright intrinsic localized modes (ILMs), also known as discrete breathers, experimentally and numerically in a diatomic-like electrical lattice. The experimental generation of dark ILMs by driving a dissipative lattice …