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Half-Covered 'Glitter-Cake' AM@SE Composite: A Novel Electrode Design for High Energy Density All-Solid-State Batteries.
Nanomicro Lett
January 2025
Energy and Environmental Division, Korea Institute of Ceramic Engineering and Technology, Jinju, Gyeongnam, 52851, Republic of Korea.
All-solid-state batteries (ASSBs) are pursued due to their potential for better safety and high energy density. However, the energy density of the cathode for ASSBs does not seem to be satisfactory due to the low utilization of active materials (AMs) at high loading. With small amount of solid electrolyte (SE) powder in the cathode, poor electrochemical performance is often observed due to contact loss and non-homogeneous distribution of AMs and SEs, leading to high tortuosity and limitation of lithium and electron transport pathways.
View Article and Find Full Text PDFTopological states in Penrose-square photonic crystals.
J Opt Soc Am A Opt Image Sci Vis
August 2024
Topological edge states (TESs) and topological corner states (TCSs) in photonic crystals (PCs) provide an effective way to control the propagation and localization of light. The topological performance of integrated photonic devices can be improved by introducing the basic structural unit of photonic quasicrystals (PQCs) into PCs. However, the previous works arranged the basic structural unit of Stampfli-type and 12-fold Penrose-type photonic quasicrystals into triangular lattices, which have a complex structure and allow light to only propagate around 60° or 120° corners, limiting their applications.
View Article and Find Full Text PDFTheoretical generation and manipulation of concentric rings by light waves on scattering from a collection of anisotropic particles.
J Opt Soc Am A Opt Image Sci Vis
August 2024
A theoretical method is proposed for generating far-zone scattered fields with concentric ring-like intensity distribution by properly controlling the distribution characteristics of particles. As an example, a collection of anisotropic Gaussian-centered determinate particles with quasi-homogeneous distribution is discussed. The results show that the number and size of concentric rings can be flexibly adjusted by controlling the structural parameters of the collection of particles.
View Article and Find Full Text PDFIn this paper we propose an information encoding method based on a segmented vortex beam. The segmented vortex beam with a single uniform-intensity ring and a combination of multiple topological charges is designed for information encoding. The radius of the beam can be designed to be arbitrary, with multiple orbital angular momentum states superimposed along the ring.
View Article and Find Full Text PDFThe impact of antimony on all-inorganic lead-free perovskites: progress in optical advancement and applications.
Nanoscale
January 2025
Hunan Automotive Engineering Vocational University, Zhuzhou 412001, P. R. China.
The incorporation of Sb ions into all-inorganic halide lead-free perovskites bestows them with remarkable photoluminescence characteristics, including an extensive color tuning range, elevated photoluminescence quantum yield (PLQY), and reversible color transitions, which hold significant promise for applications in light-emitting diodes, anti-counterfeiting encryption technologies, and photodetectors. Sb ions not only create new optical absorption channels but also can be integrated into these materials as activators or sensitizers to modulate the bandgap and band structure. This review focuses on the optical properties of Sb ion-doped lead-free halide perovskites while examining potential energy transfer pathways across various doping systems.
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