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Packaging
Probing Electronic Band Structures of Dielectric Polymers via Pre‐Breakdown Conduction
27/12/2024 -
Polymer dielectrics with higher operational electric fields are essential elements to fulfill the future needs of pulse power, power conditioning, and electrification applications. A novel...
Self‐Poled Bismuth Ferrite Thin Film Micromachined for Piezoelectric Ultrasound Transducers
25/12/2024 -
A compositionally downgraded BiFeO3 is developed to produce enhanced self‐poling by introducing compressive strain. Utilizing this large‐area film over a 6‐inch wafer, pMUTs with 6 × 6 arrays...
Tough Polyurethane Hydrogels with a Multiple Hydrogen‐Bond Interlocked Bicontinuous Phase Structure Prepared by In Situ Water‐Induced Microphase Separation
23/12/2024 -
Tough polyurethane hydrogels with a multiple hydrogen‐bond interlocked bicontinuous phase structure are prepared by in situ water‐induced microphase separation. The outstanding mechanical...
1.4% External Quantum Efficiency 988 nm Light Emitting Diode Based on Tin‐Lead Halide Perovskite
20/12/2024 -
The tin‐lead based halide perovskite film with the 3‐AMP passivate exhibits a significantly longer carrier lifetime of over 1 µs compared to the neat films (0.43 µs). The optimized tin‐lead...
Bright and Efficient CsSnBr3 Light‐Emitting Diodes Enabled by Interfacial Reaction‐Assisted Crystallization
19/12/2024 -
Controlling the crystallization process is crucial for the fabrication of high‐quality tin perovskites. In this work, an interfacial reaction‐assisted crystallization process is developed to...
Performance Enhancement of Carbon Nanotube Network Transistors via SbI3 Inner‐Doping in Selected Regions
19/12/2024 -
A new structural device is constructed through contact engineering, where carbon nanotubes in the electrode area are filled with SbI3 molecular chains, resulting in low contact resistance, high...
Ultra‐High Capacitive Energy Storage Density at 150 °C Achieved in Polyetherimide Composite Films by Filler and Structure Design
15/12/2024 -
The stacked structure design method of integrating inorganic fillers with high ɛr, and PEI polymers with high breakdown strength is proposed. BNKT‐BST dense ceramics are prepared by solid‐phase...
Durable Thin‐Film DLC on Wafer Surfaces of Gravure Cylinders for Roll‐to‐Roll Printing of 1‐Bit Electrodes and Microtext in Flexible Electronics and Graphic Security
13/12/2024 -
Thin film Diamond Like Carbon (DLC) on roll‐to‐roll gravure printing cylinders offers superior conductive ink transfer to flexible substrates compared to chrome. It enables fine lines and...
Fully Transparent and Distortion‐Free Monotonically Stretchable Substrate by Nanostructure Alignment
12/12/2024 -
For achieving monotonic transparent, stretchable substrates with near‐zero Poisson's ratio, this approach utilizes nanoscopic block copolymer alignment via shear‐rolling. This alignment of...
Surface Defects Control Bulk Carrier Densities in Polycrystalline Pb‐Halide Perovskites
12/12/2024 -
Doping, the controlled addition of imperfections or impurities to a material, is crucial for semiconductors. This study shows that for Halide Perovskites, which have (very) low (intrinsic) defect...
Mechanism of Hot‐Carrier Photoluminescence in Sn‐Based Perovskites
11/12/2024 -
Schematic illustrating the two dominant processes in tin‐iodide perovskites at the band edge: 1) Filling of carriers at the band edge extrema as they cool. 2) Cooling of carriers emitting a...
Dynamic Modulation of Afterglow Emission in Polymeric Phosphors via Inverse Opal Photonic Structures
11/12/2024 -
A robust method is presented for dynamically tuning the afterglow of polymeric phosphors by incorporating a supporting layer of inverse opal photonic structures. These findings provide valuable...
Substrate‐Free Inorganic‐Based Films for Thermoelectric Applications
11/12/2024 -
Substrate‐free inorganic‐based thermoelectric thin films demonstrate excellent adaptability to curved surfaces and deliver high output performance, making them a promising solution for thermal...
Emerging Sustainable Structural Materials by Assembling Cellulose Nanofibers
10/12/2024 -
Cellulose nanofiber (CNF) has unique intrinsic physical properties, showing great potential for constructing sustainable materials. This review introduces emerging CNF‐based structural materials,...
High‐Temperature Diffusion Enabled Epitaxy of the Ti–O System
10/12/2024 -
Thin‐film epitaxy of the Ti–O system at ultra‐high temperatures realizes an unconventional growth mode. Above 1000 °C, oxygen diffusion from the substrates governs the growth dynamics and the...
Synergistic Multimodal Energy Dissipation Enhances Certified Efficiency of Flexible Organic Photovoltaics beyond 19%
10/12/2024 -
By combining multimodal energy dissipation and phase modulation in active layer films, the mechanical and photovoltaic properties of flexible electronics are innovatively co‐developed to achieve a...
Linking Nanoscopic Insights to Millimetric‐Devices in Formamidinium‐Rich Perovskite Photovoltaics
09/12/2024 -
This review sheds light on the most detrimental nanoscopic phase impurities in FA‐rich perovskite PVs and further, highlights research directions that can mitigate their formation in the final...
Enhance Photo‐Stability of Up‐Scalable Organic Solar Cells: Suppressing Radical Generation in Polymer Donors
09/12/2024 -
Organic solar cells with a wide thickness range fabricated by doctor‐blade with non‐halogenated solvents in air show strong losses in short‐circuit current density under photo‐thermal stress....
Fabrication and Characterization of Agar‐ and Seaweed‐Derived Biomembrane Films for Biomedical and Other Applications
10/12/2024 -
ABSTRACTThis study focused on seaweed‐based biomembrane development. The physical, mechanical, thermal, and biological properties of the fabricated films with different combinations of materials,...
Shielding Performance of a New Coating Material Composed of Polyurea Resin and Tungsten Carbide against X‐Rays
06/12/2024 -
A novel shielding material of tungsten carbide microparticles and polyurea resin is developed as an alternative for lead. This composite has an advantage of easy implementation on the surfaces of...
Electroadhesive Clutches with Enhanced Force Capacity Using Soft Dielectric Interfaces
06/12/2024 -
Soft dielectrics are used to build electroadhesive clutches with high force capacity per contact area but use simple dielectric materials with one‐fifteenth of the permittivity of existing...
