National Synchrotron Radiation Laboratory

Structural Softness–Rigidity Mediation Enables Multicolor Emission and Long‐Lived Phosphorescence in Hf/Zr Halides

ABSTRACT Multicolor fluorescence, typically favored by soft environments, and phosphorescence, which relies on rigid lattices to stabilize triplet excitons, are fundamentally incompatible and hard to coexist within a single material. Here, we report a crown–ether–directed lattice...

Structural Softness–Rigidity Mediation Enables Multicolor Emission and Long‐Lived Phosphorescence in Hf/Zr Halides

ABSTRACT Multicolor fluorescence, typically favored by soft environments, and phosphorescence, which relies on rigid lattices to stabilize triplet excitons, are fundamentally incompatible and hard to coexist within a single material. Here, we report a crown–ether–directed lattice...

Topology‐Dependent Iso ‐Propanol Dehydration Pathway Over Zeolites

ABSTRACT The zeolite‐catalyzed dehydration of low‐carbon alcohols is a crucial step in the conversion of biomass‐derived compounds. Compared to methanol and ethanol, the propanol dehydration mechanism remains poorly understood. The core challenge lies in the high reactivity and s...

Intrinsic Fermi Level Pinning and Reversible Depinning at Ultralow-Defect Epitaxial MoSe2/Au(111) Interfaces

Abstract Fermi level pinning (FLP) fundamentally limits contact engineering in two-dimensional semiconductors, yet its intrinsic origin remains obscured by the presence of interfacial disorder and defect-induced gap states. Although theoretical models attribute FLP to metal-induc...

Ultra‐High Contrast Terahertz Modulation and Pixelated Display Based on VO 2 Metasurface

ABSTRACT The development of high‐performance, dynamically reconfigurable devices is important for advancing Terahertz (THz) technology. Vanadium dioxide (VO 2 ), a metal‐insulator transition oxide with a near‐room‐temperature critical point, is promising for infrared (IR) and THz...

Dual‐Pathway Regulation by Diphenyl Guanidine Enhancing Sulfur Utilization in Sulfurized Polyacrylonitrile Synthesis

ABSTRACT The introduction of vulcanization accelerator (VA) can effectively reduce the amount of sulfur precursor in Sulfurized Polyacrylonitrile (SPAN) synthesis, improving sulfur utilization efficiency and thus promoting the commercial application of SPAN. Nevertheless, the mec...

Atomic-Scale Intergrowth Regulation Enables Long-Cycling Zero-Strain Sodium Layered Oxide Cathodes

Abstract P2-type layered oxide cathodes feature high median voltage and outstanding cycling stability, but their specific capacity of merely 80 mAh g–1 severely limits practical utility. Conventional P2/O3 biphasic strategies to boost capacity typically sacrifice structural stabi...

Surface Atomic Arrangements on High-Entropy-Alloy Nanocrystals Govern Alkaline Hydrogen Oxidation via Symmetry-Selected Multi-Atom Ensembles

Abstract High-entropy alloys (HEAs) provide compositionally diverse surfaces for electrocatalysis, yet how their surface atomic arrangements dictate active-site ensembles and catalytic activity remains unclear. Here, we develop a dropwise deposition strategy to synthesize Pd@Pd0....

Pressure-modulated anisotropic optical responses in van der Waals NbOCl2

NbOCl2 is an emerging layered van der Waals material with prominent anisotropy. In this work, we systematically investigate the anisotropic optical response and structural evolution of NbOCl2 under pressure up to 50 GPa by using polarized Raman spectroscopy, synchrotron polarized...

Selectivity of Nitrate Reduction and Hydrogen Evolution Reaction Modulated by Aggregation of Carbon-Supported Fe Species

Abstract Fe-species distribution plays an important role in electrochemical nitrate reduction, yet its influence on the competing hydrogen evolution reaction (HER) remains insufficiently understood. Herein, carbon-supported Fe catalysts with distinct Fe-species distributions were...

A ComplexSpin-Transition Thermal Hysteresis Unlockedby Two Competing Symmetry-Breakings

Abstract The spin-crossover material [Fe(NH2trz)3](NO3)2 belongs to the class of 1D triazole-based polymeric SCO complexes. It exhibits a thermal phase transition, with a 28 K wide thermal hysteresis, characterized by phase transition temperatures T↑ = 346 K upon warming and T↓ =...

Cavity Confinement to Create Multi‐Dimensional Functional Partition Iron Sites Synergistically Promotes Multi‐Scenario Ammonia Synthesis

ABSTRACT Electrocatalytic ammonia synthesis centered on nitrate reduction constitutes a vital component of the future green synthesis pathway from nitrogen to nitrogen oxides to ammonia. However, catalyst development often overlooks the critical coordination between the intricate...

Mechanistic Mapping of Additive Cracking for Hybrid SEI Construction in Aqueous Zinc‐Ion Batteries

ABSTRACT Electrolyte additives represent a promising strategy for regulating the solid‐electrolyte interphase (SEI) in aqueous zinc‐ion batteries. However, the underlying molecular mechanisms by which these additives mediate SEI formation remain insufficiently understood. Here, w...

Tetraniline-Engineered Nickel Molecular Frameworks for Combinatorial NIR-Triggered Photothermal and Photodynamic Cancer Therapy

Near-infrared (NIR)-responsive nanomaterials are of critical importance for biomedical applications owing to their superior tissue penetration depths. Herein, we present a rational design of NIR-responsive tetraniline (TANI)-engineered nickel coordination frameworks for multimoda...

Durable Interphase Engineering on SiO x Anodes Through Interfacial‐Enrichment‐Facilitated Polymerization

ABSTRACT Constructing a robust solid electrolyte interphase (SEI) is a proven strategy to enhance the performance of Si‐based anodes by accommodating severe volume swings and suppressing interfacial side reactions. However, existing strategies that rely solely on either chemical...