University of Chinese Academy of Sciences

Deformable Sparse-Gradient Regularization for Extreme Image Denoising

Extreme noise severely degrades image quality in photon-limited imaging systems and challenges existing denoising methods. Classical total variation (TV) models rely on fixed local gradients and often introduce cross-edge smoothing, while deep learning methods may become unstable...

Thermally Modulated Microfluidic Fabrication of Phase-Tunable Cs4PbBr6/CsPbBr3 Hybrid Perovskite Nanocrystals for White Light-Emitting Diodes

All inorganic CsPbBr3 perovskite nanocrystals (NCs) exhibit outstanding luminescence for optoelectronics, yet poor environmental stability severely restricts their practical deployment. As a stable derivative phase, Cs4PbBr6 can effectively improve structural stability. Neverthel...

Mitigating Stress‐Induced Nonphotoactive Phase Transition Through Sodium Sulfonate Engineering for Stable and Efficient Perovskite Solar Cells

ABSTRACT Formamidinium lead triiodide (FAPbI 3 ) perovskite solar cells (PSCs) have attracted significant attention due to their outstanding optoelectronic properties. However, their long‐term stability remains limited by lattice strain‐induced transition from the photoactive α‐p...

Manganese Ion‐Based NanoPlatforms for Tumor Theranostics

ABSTRACT Manganese‐ion‐based nanoparticles have emerged as highly versatile platforms that seamlessly integrate diagnostic and therapeutic functions, enabling precision cancer theranostics. In this review, we discuss manganese‐based nanomaterials through a design‐oriented framewo...

Ferromagnetic Coupling in Dual‐Atom Nanozymes Enables Spin‐Favorable Catalase‐Like Catalysis for Rheumatoid Arthritis Therapy

ABSTRACT Iron dual‐atom (Fe DA) nanozymes, structurally analogous to natural catalase, exhibit promising catalase‐like (CAT‐like) activity, yet further improving their catalytic performance and elucidating the underlying mechanism remain major challenges. Herein, we developed a c...

Synergies and trade-offs for reaching global biodiversity and climate commitments

The Kunming-Montreal Global Biodiversity Framework strives to expand high-quality protected areas globally, yet faces economic constraints, climate change and human pressures. This requires integrating biological and socio-economic complexity while ensuring equity. We explore mul...

A Study on the Distribution Characteristics of Salinity and Nutrients and the Migration Mechanism of Soil Salt in the Delingha Saline‐Alkali Soil Profile of the Qaidam Basin

ABSTRACT Soil salinization negatively impacts the economic development and ecological environment, particularly in the arid and semiarid regions of China. The Qaidam Basin constitutes a major distribution area of saline‐alkali land in the country. However, the distribution patter...

Endowing CentrosymmetricOxides with Effective Piezoelectricityvia Oxygen Vacancy Engineering and Single-Atom Anchoring for MulticatalyticSono-Immunotherapy

Abstract Due to piezopotential-driven energy band tilting and the promotion of charge carrier separation, sonopiezoelectric therapy (SPT) holds promise in overcoming the limitations of band structure. However, the dependence of the piezoelectric effect on noncentrosymmetric cryst...

Enhanced Recoveryof Strategic Metal Antimony fromWastewater via a Synergistic UV/Iodide/Sulfite Process

Abstract Antimony-bearing wastewater poses substantial environmental risks, while conventional treatment technologies mainly transfer dissolved antimony into secondary hazardous wastes. Here, we developed a synergistic UV/iodide/sulfite process for the rapid reductive recovery of...

Effects of rainfall on permafrost degradation in alpine desert regions of the Tibetan Plateau

Rainfall is increasing across the Tibetan Plateau, yet its effects on permafrost in alpine desert regions remain poorly understood. Using a validated one-dimensional land-surface model for a representative site, we conducted idealized experiments to isolate the effects of summer...

Garnet‐Induced Amorphization of Fluoride Solid Electrolyte Interlayer Enables High‐Voltage and Large‐Capacity Lithium Metal Solid‐State Batteries

ABSTRACT Garnet‐type solid‐state electrolyte Li 6.5 La 3 Zr 1.5 Ta 0.5 O 12 (LLZTO) has garnered significant attention owing to its high Li‐ion conductivity at room temperature (RT) and good electrochemical stability with Li metal. However, it presents the challenges in terms of...

The pivotal role of the food service industry in alleviating urban segregation and boosting city vitality

Abstract Urban segregation challenges the sustainable and inclusive development of cities, yet little is known about how to address it effectively. This study examines how restaurants in Chengdu, China, a city renowned for its vibrant food culture, shape social interactions in da...

MedKGent: a large language model agent framework for constructing temporally evolving medical knowledge graph

The rapid expansion of medical literature challenges the scalable structuring of domain knowledge. Knowledge Graphs (KGs) offer a solution, yet current construction methods lack generalizability and ignore the temporal dynamics of evolving knowledge. To address this, we introduce...

Temperature‐Regulated Dynamic Phase Reconfiguration of Solid‐Liquid Biphasic Ga‐In Nanoparticles

ABSTRACT Phase evolution in liquid metals (LMs) is fundamental to the structural integrity and electrical reliability of LM‐based flexible conductive materials. Physical vapor deposition (PVD) is an important method for preparing LM films. However, their phase evolution during de...

CDGP-Net: Channel-Decoupling and Geographic-Prior Fusion for Spatial Super-Resolution of HIRAS Radiances with Co-Platform MERSI-II

Hyperspectral infrared sounders provide valuable observations for numerical weather prediction (NWP), but their native nadir spatial resolution of approximately 12–16 km is coarser than the approximately 4 km grid spacing commonly used in convection-permitting regional forecastin...

Topologically Engineered DNA Origami: Responsive Locking of DNA Quadrilateral for Biosensing Application

Abstract DNA nanotechnology offers unique opportunities for creating various accurate and responsive nanostructures. Nevertheless, large-scale conformational changes with high geometric precision and efficiency remain major challenges. Herein we report a topologically engineered...

Trends and Lagged Cumulative Associations Between Vegetation NDVI and Extreme Climate Indices in the Yangtze River Basin: A 41-Year Observational Analysis

Extreme climate events can disturb vegetation dynamics and alter ecosystem stability. This study investigated the evolution of extreme climatic conditions and vegetation greenness across the Yangtze River Basin during 1982–2022 by integrating CN05.1 daily meteorological records w...

A Microseismic Energy Field Distribution Prediction Method Guided by Geological Structure Priors

Existing microseismic prediction methods commonly incorporate domain prior knowledge as ordinary input features, which makes it difficult to fully exploit its structural constraints and physical implications. To address this limitation, this study proposes a geological-structure-...

Digital twin for city traffic emissions using deep vision and real time monitoring

Urban on-road air pollution remains a pervasive threat to public health, yet its management is fundamentally constrained by a lack of spatiotemporal precision in emission inventories. Conventional inventories rely on static, registration-based proxies that fail to capture the hig...

Microcomb-driven large-scale fully connected quantum network

Abstract Fully connected quantum networks enable simultaneous connection of every user to every other user and are a highly versatile and robust networking architecture. However, the scalability of such networks remains a great challenge for practical applications. Here we constr...