Chinese Academy of Engineering

Interpretable Spatiotemporal Coupling Network for Robust Emission Prediction and Implicit Mechanism Mining in Sludge Gasification

Abstract Thermochemical gasification is a vital green technology for sewage sludge reduction and resource recovery, yet real-time emission forecasting remains exceptionally challenging due to chaotic operational fluctuations, pronounced time lags, and noisy sensor data. Conventio...

Intramolecular [4 + 2] Cycloaddition via Photoredox Dual Dearomatization of Indole and Furan Units

Abstract Despite significant advances in the field of dearomatization, dual dearomatization remains underdeveloped. Herein, we report an intramolecular dual dearomatization reaction of indoles and furans by photoredox catalysis. This method enables the construction of four fused...

Cinchonidine vs Cinchonine: Stereochemical Control of Architecture and Circularly Polarized Luminescence in Chiral Cu4I4–Cluster-Based Coordination Polymers

Abstract Employing the epimeric ligands, cinchonidine (L1) and cinchonine (L2), two chiral Cu(I) coordination polymers were synthesized: a 1D chain Cu4I4(L1) and a 3D framework Cu4I4(L2). Structural analyses reveal that Cu4I4(L1) incorporates interconnected distorted gyroscope-li...

Disturbance-Driven Reactive Oxygen Species Generation Promotes Organic Carbon Mineralization in Sediments of Lake Taihu

Abstract Lake sediments are prone to disturbance from anthropogenic and natural processes, inducing O2 intrusion that can generate reactive oxygen species (ROS). However, the occurrence and accumulation of ROS production in O2-perturbed lake sediments are poorly documented. Herei...

Unveiling the Prediction of Lanthanide Binding Selectivity: Could 4f Electrons be Treated as the Core–Shell?

Abstract There has been a recent resurgence of interest in the lanthanide separation chemistry. With the advent of artificial intelligence, the high-throughput computation provides a powerful alternative to experimental screening of extractants. However, the reliable treatment of...

Kinetic-Controlled Ultrafast Synthesis of Ordered Intermetallic Nanoparticles

Abstract The disorder–order transition of metal alloys delivers ordered intermetallic nanoparticles (NPs) as efficient and stable catalysts. However, this transition is practically challenging due to the thermodynamically low driving force and the complex kinetic competition with...

Mechanisms of Stability of the Metaphase Spindle and Associated Proteins Regulating Microtubule Flux

Abstract How the metaphase spindle in higher eukaryotes maintains stability in the presence of poleward microtubule (MT) flux is a confusing issue. Here, we present a model for the spindle by incorporating augmin-mediated MT connections and MT crosslinking by NuMA proteins. On th...

Polarity Reversal of Dipole at the SiO2/HZO Interface in Ferroelectric Field-Effect Transistors by Oxygen Scavenging of TiN

Abstract Doped HfO2-based ferroelectric field-effect transistors (FeFETs) have attracted considerable attention for their potential in nonvolatile memory applications. Research on the dipole at the SiO2/HfO2-based ferroelectric interface is scarce. This study finds that the polar...

Cobalt–Copper Single-Atom Alloy Catalyst for Electrochemical Nitric Oxide Reduction to Ammonia

Abstract Electrochemical reduction of nitric oxide (NO) to ammonia (NH3) offers a more sustainable pathway. However, significant challenges remain in achieving high NH3 Faradaic efficiency, industrially relevant production rates, and downstream purification to meet commercial sta...

Lattice matching dictates the growth mode and quality of deuterium crystallization in confined spherical shells

Cryogenic hydrogen isotope fuel layers with high structural integrity and atomic-scale smoothness are prerequisites for symmetric implosion and ignition in inertial confinement fusion (ICF). Using deuterium (D2) as model fuel, we perform large-scale molecular dynamics simulations...

Unraveling the relaxation and photodissociation pathways of electronically excited 1,3,5-triamino-2,4,6-trinitrobenzene (TATB)

Femtosecond transient absorption spectroscopy was employed to investigate the excited-state relaxation and photodissociation dynamics of 1,3,5-triamino-2,4,6-trinitrobenzene (TATB) in dissolved in dimethyl sulfoxide. By tracking the evolution of the S1 manifold and ground-state r...

Directionally Aligned, Defect-Suppressed Non-oxidatively Exfoliated Graphene Flakes for High EMI Shielding Performance

Abstract In this study, we report the development of high-performance electromagnetic interference (EMI) shielding composites incorporating directionally aligned non-oxidatively exfoliated graphene flakes (NOGF) within a polydimethylsiloxane (PDMS) matrix. The NOGF was synthesize...

Flexible Ammonium Salts Induce Dipole Field-Effect Passivation in Inverted Perovskite Solar Cells

Abstract Ammonium salt-based top-interface passivation is effective for inverted perovskite solar cells, yet how the head-group conformation governs the passivation mechanism remains unresolved. Herein, using 9H-fluoren-9-amine hydrochloride (FAMACl) and aminodiphenylmethane hydr...

Molecular Design for the Multidimensional Modulation of Supramolecular Nanoparticle Interactions

Abstract Surface ligand engineering based on reversible supramolecular hydrogen bonding provides a versatile strategy for programmable nanoparticle (NP) self-assembly, yet quantitatively linking the molecular structure to interparticle interactions remains challenging. Here, expl...

Scaling of Urban 3D Form with Emissions and GDP in Chinese Cities

Abstract Rapid urbanization has permanently transformed the face of cities. As the physical manifestation of these transformations, urban form provides a key basis for examining its connections with urban outcomes. While previous studies have primarily focused on two-dimensional...

Stabilizing Grain Boundaries by Flexible Bidirectional Multisite Hydrazide Cations toward High-Performance Inverted Perovskite Solar Cells

Abstract The grain boundary instability induced by defects and tensible strain impedes the realization of high-performance inverted perovskite solar cells (PSCs). Here, we propose a flexible bidirectional multisite additive strategy to stabilize perovskite. (6-(2,5-Dioxo-2,5-dihy...

Superconducting Hydride Mg2RhH6 Experimentally Achieved at Lower Pressure

Abstract Although tremendous progress has been made in recent years in the field of polyhydride superconductors, the realization of high critical temperature (Tc) superconductivity still relies on formidable high pressures. Searching for superconducting hydrides at lower pressure...

Ionic Liquid-Mediated Structure-Engineered Cellulose-Based Ionogel with Ion-Electron Cotransport for Boosted Thermoelectric Conversion

Abstract Low-grade heat (<373 K) remains an underutilized energy source due to inefficient conversion technologies. While ionic thermoelectric (i-TE) materials show promise for direct thermal-to-electrical energy conversion, simultaneously optimizing the conductivity and Seebeck...

Water Vapor Adsorption Behavior Evolution of MarineKerogen across Maturity from Carbonization to Graphitization Stages:New Insights Based on Thermodynamic and Kinetic Characterization

Abstract The water adsorption behavior of marine overmature kerogen is a theoretical foundation for the shale gas exploration and development and CO2 geological sequestration. However, this issue remains poorly understood, especially regarding graphitization effects. This study i...

Corrosion Behavior and Mechanism of High-Oxidation-Potential Cu-Modified V2SnC in Chloride Molten Salts

Abstract High-temperature molten salt systems are essential for energy storage and molten salt reactors, but their corrosiveness limits the durability of structural materials. MAX phases offer excellent high-temperature stability and oxidation resistance, yet the selective dissol...