University of Chinese Academy of Sciences

Three Gorges Dam-driven redistribution, sediment-water partitioning, and health risks of heavy metals in the Yangtze River

The Three Gorges Dam (TGD), the largest hydraulic project on the Yangtze River mainstream, has altered hydrodynamic regimes and sediment transport. However, how its interplay with basin-scale pollution control policies regulates heavy metal behavior remains poorly understood. The...

Spin-quenching cobalt center for efficient ammonia synthesis derived from oxide mixology

The spin polarization plays a critical role in heterogeneous catalysis by influencing the properties of active sites and thereby altering catalytic performance. However, precise construction of active sites with well-tuned spin states remains challenging. Here we demonstrate to m...

Automated Extraction of Long-Term Cyanobacteria Blooming Series from Landsat Imagery Using Deep Learning

Cyanobacterial harmful algal blooms (CyanoHABs) pose serious threats to inland water ecology and environmental security. Despite advances, accurately capturing their long-term dynamics for effective governance remains challenging due to limited datasets and segmentation model acc...

A look at nanowire photodetectors

Nanowire (NW) photodetectors have emerged as a prominent group of optoelectronic materials that have been extensively researched over the last two decades. They belong to the one-dimensional nanostructures and operate in the regime of wave optics because the diameter of the NW is...

Space-ConfinedGrowth of 2D Ultrathin Ternary CdZnTeFlakes toward High-Performance Photodetectors

Abstract Two-dimensional (2D) CdZnTe has been highly anticipated in high-performance photodetectors because of its excellent optoelectronic properties and the quantum confinement effect in 2D scale. However, due to the intrinsically nonlayered structure, the current obtained 2D C...

High-temperature behavior of FeTiO3 and MgTiO3: in-situ synchrotron X-ray diffraction study

The high-temperature volumetric and axial thermal expansion behaviors of ilmenite (FeTiO 3 ) and geikielite (MgTiO 3 ) were examined up to 773 K using in situ synchrotron X-ray diffraction. No phase transitions were observed within the experimental temperature range. The temperat...

Synthesis of Highly Active InGaO X Solid Solution Catalysts and Their Superior Performance for CO 2 Hydrogenation to Methanol

ABSTRACT This work reports the synthesis of InGaO X solid solution catalysts with varying Ga contents via a one‐step hydrothermal method, aiming to enhance the catalytic activity of indium‐based catalysts for CO 2 hydrogenation to methanol. Comprehensive characterization using XR...

Manipulation of Photoresponse via Defect-Level Excitations in Metal–Insulator–Semiconductor-Type Two-Dimensional Heterostructure for Optoelectronic Logic Gates

Abstract In recent years, effective carrier–exciton conversion and defect engineering in tunneling diodes based on metal–insulator–semiconductor (MIS) van der Waals heterostructures have attracted extensive research interest in modulating optoelectronic device performance. Effect...

Sulfur-PassivatedSuperatomic Rh13S8± Clusterswith Enhanced Stability and UniqueElectronic Properties

Abstract Metal sulfides have attracted considerable attention in nanomaterials because of their unique properties supporting key applications in catalysis, energy storage, sensing and others. Thiol-protected metal clusters feature similar metal–sulfur bonding as in nanomaterials,...

Two‐dimensional stratified ferrocene‐phosphate with adsorption–reduction coupling function for enhanced uranium capture

Abstract The development of uranium separation materials is essential to ensure a stable uranium supply for energy and to mitigate environmental risks. We report a two‐dimensional ferrocene‐vanadyl phosphate composite (fc‐VOP) with expanded interlayer spacing (9.8 Å) and adsorpti...

Sustainable Reversible Patterning via Humidity-Switchable Self-Assembled Multilayers Induced by Photolithography

Abstract Lithography plays a crucial role in the fabrication of intricate patterns. Materials that possess both lithographic capabilities and stimuli-responsive characteristics enable the realization of dynamic and controllable information processing. In this work, a self-assembl...

Bubble‐Assisted Dynamic Confinement Enables Programmable Solid‐State Photoswitching and Heterogeneous Photoresponsive Architectures

Achieving programmable photoisomerization of azobenzenes in the solid-state remains a long-standing challenge for photoresponsive materials. Here, we introduce a dynamic soft-confinement strategy using bubble-assisted assembly to manipulate molecular aggregation via tunable surfa...

Dual Oxygen Precursors Boosting the Ionic Conductivity of Glassy Electrolytes for All‐Solid‐State Sodium Batteries

ABSTRACT Amorphous halide‐based solid electrolytes (SEs) are promising candidates for all‐solid‐state Na batteries (ASSNaBs) due to their structural flexibility and favorable mechanical properties. Among them, aluminum‐based halide electrolytes are particularly attractive owing t...

Halide Solid‐State Electrolytes for all‐Solid‐State Lithium Batteries: Structure, Transport, Interface Relationships and Design Principles

ABSTRACT Halide solid‐state electrolytes (HSEs) have recently emerged as a highly promising class of ionic conductors for all‐solid‐state lithium batteries, owing to their high ionic conductivity, favorable electrochemical stability, and superior compatibility with high‐voltage c...

Cr‐Leaching Induced Vacancy Engineering for High‐Performance Anion Exchange Membrane Water Electrolysis

ABSTRACT Anion exchange membrane water electrolysis (AEMWE) offers a compelling route to large‐scale green hydrogen production. However, developing catalysts that simultaneously combine high activity, long‐term durability, and stack‐level scalability remains a major challenge. He...

In situ Second-HarmonicGeneration Probing of Magnetic-Field-InducedChiral Stacking in a Radical-Doped Liquid Crystal Monolayer

Abstract Functional open-shell π-radicals offer attractive optical and magnetic tunability but suffer from poor ambient stability, limiting their deployment in condensed-phase architectures. Here we circumvent this limitation by embedding the photolabile radical precursor HTTM-PD...

Catalytic Co-Oxidation of Acetone and Ammonia overMetal–Organic Framework-Derived Ce–Cu Oxides: Structure–ActivityRelationship and Pollutant Interaction Mechanism

Abstract The simultaneous removal of VOCs and NH3 from industrial exhaust gases poses a formidable challenge owing to the complex interactions between coexisting pollutants. Herein, a series of MOF-derived CeaCubOx catalysts with tunable Ce/Cu ratios were prepared and evaluated f...

A Heterogeneous Metal–LigandBifunctional Catalystfor Chemoselective Hydrogenation of α,β-Unsaturated Aldehydes

Abstract The concept of metal–ligand bifunctional catalysts has been extensively explored in homogeneous catalysis, yet it has not been reported in conventional heterogeneous catalysis. Inspired by the outer-sphere hydrogenation mechanism in homogeneous metal–ligand bifunctional...

Genome-wide annotation of human multi-nucleotide variants reveals widespread functional differences from single nucleotide variants

Multi-nucleotide variants (MNVs) represent a crucial yet underexplored category of genetic variation. Despite previous studies highlighting the prevalence and potential biological impact of MNVs in populations, comprehensive identification and detailed functional annotation of MN...

Spatial Heterogeneity of Global Organic Matter Accumulation During the PETM

Abstract The Paleocene–Eocene Thermal Maximum (PETM) was an abrupt global warming event triggered by a massive release of isotopically light carbon. Rapid recovery from the PETM has been attributed to enhanced burial of organic matter (OM). However, the mechanisms and spatial dis...