Hebei University of Technology

Mild continuous-flow methanol extraction coupled with formic acid assisted catalytic hydrogenolysis of corn stover

Fractionation of lignocellulosic biomass is important for efficient utilization of both lignin and carbohydrates. Conventional one-pot reductive catalytic fractionation (RCF) can effectively depolymerize lignin, but challenges remain in balancing lignin monomer yield, carbohydrat...

Functional Z-Ligand Passivation for Photostable Barrier-Free Pixelated Quantum Dot Color Conversion Layers

Abstract The practical application of quantum dot photoresists (QDPRs) for high-resolution displays is critically hindered by the insufficient passivation of surface anionic sites. Here, we report a surface modification strategy that integrates synergistic Z-type ligand zinc bis[...

Orthogonally stacked dye-doped liquid crystal modulators: a coupled complex Jones matrix model and synergistic optimization of transmittance and contrast ratio

Dye-doped liquid crystal (DDLC) modulators are critical for smart windows and automotive displays, yet suffer from an inherent trade-off between transmittance and contrast ratio. Conventional optical models neglect the coupling between polarisation rotation and anisotropic absorp...

Vacuum Flash Evaporation‐Assisted Processing in Perovskite Photovoltaics

ABSTRACT Perovskite solar cells (PSCs) have emerged as a leading next‐generation photovoltaic technology owing to their high‐power conversion efficiency, low fabrication cost, and solution processability. However, the performance and scalability of PSCs are critically limited by...

Microstructure design and multiphysics optimization of composite cathodes for high-energy solid-state lithium-ion batteries

Solid-state lithium-ion batteries (SSLBs) offer high energy density and enhanced safety; however, their performance and reliability remain constrained by coupled stress localization and thermal accumulation. Here, a physics-based three-dimensional heterogeneous particle model is...

Electroenzymatic Cascade for Chiral Hydroxylation of C–H Bond Using In Situ H2O2 Generation

Abstract Unspecific peroxygenase (UPO) catalyzes selective oxyfunctionalization of C–H bonds using H2O2 but suffers from enzyme instability and substrate solubility issues. To address these challenges, a cobalt and nitrogen co-doped carbon nanotubes electrocatalyst with two-elect...

Numerical investigation of seismic dynamic response and liquefaction characteristics of suction bucket foundation

As offshore wind development expands into regions where earthquake induced seabed liquefaction may occur, the seismic performance of offshore wind turbine foundations requires careful assessment. In this paper, based on centrifugal test, the OpenSees finite element numerical mode...

Mamba-SAC: selective state space modelling for robot force-guided trajectory tracking

Purpose Force-guided trajectory tracking is partially observable because safe contact depends on recent force/motion history, not only on the current sensor sample. This study aims to evaluate efficient sequence modelling for real-time robot force control. Design/methodology/appr...

Shifting from Systemic Absorption to Local Interactions: The Bidirectional Role of Gut Microbiota in Curcumin’s Health Benefits

Curcumin, a natural polyphenol, has garnered considerable attention owing to the paradox between its low oral bioavailability and reported pharmacological effects. Traditional paradigms centered on systemic absorption and plasma exposure may not fully explain its broad actions in...

Equilibrium Strategies for the \({n}\)-Agent Mean-Variance Investment Problem over a Random Horizon

Abstract. We study equilibrium feedback strategies for a family of dynamic mean-variance problems with competition among a large group of agents. We assume that the time horizon is random and each agent’s risk aversion depends dynamically on the current wealth. We consider both t...

Structure-Guided Engineering of Amine Dehydrogenase for Chiral Bulky β -Aryl Amine Synthesis: Dynamic Loop-to-Helix Shift and Hydrogen-Bond Network Reconstruction

Abstract Chiral β-aryl amines are critical structural motifs in various bioactive compounds and pharmaceuticals. Amine dehydrogenases (AmDHs) offer a promising sustainable approach to catalyze the asymmetric reductive amination of β-aryl ketones to chiral β-aryl amines. However,...

High-Performance Reverse-Mode Liquid Crystal Smart Windows via Co-Optimization of a Phosphate Self-Assembled Interface, a Polyurethane Acrylate Polymer Network, and a Patterned Microstructure

Abstract Reverse-mode polymer-stabilized liquid crystal (RPSLC) smart windows exhibit voltage off transparency and voltage on scattering, which are well aligned with the requirements of daylighting and solar heat insulation in buildings. These characteristics make RPSLC smart win...

3D cell-matrix mechanical interaction models for cancer invasion

Cancer cells breach the extracellular matrix (ECM) through both protease-mediated degradation and force-driven physical remodeling, yet most invasion studies still rely on biochemical readouts that overlook how cells mechanically reorganize their surroundings. Here, we introduce...

Mo-Dopant Mediated Intra-lattice Ultrashort-range Hydrogen Spillover for Ampere-Level Alkaline Hydrogen Evolution

Abstract Hydrogen spillover is an effective strategy to improve the efficiency of the hydrogen evolution reaction (HER), but the challenges remain in creating efficient spillover channels. Herein, an intra-lattice ultrashort-range hydrogen spillover strategy is proposed, which wa...

Super Twisting Observer-Based Fast Terminal Sliding Mode Control with Dual-Term Hyperbolic Reaching Law: Experimental Validation on Buck Converter

This paper proposes a super twisting observer-based fast terminal sliding mode control scheme with a novel dual-term reaching law for output voltage regulation of a DC–DC buck converter under disturbances. The proposed reaching law replaces the discontinuous sign function with a...

Frequency-Guided Cross-Scale Refinement Network for UAV Detection

In recent years, the use of UAVs has become increasingly widespread, and the public safety risks posed by unauthorized UAV flights have become increasingly prominent, creating an urgent need for effective detection and identification of UAV targets. However, such targets are smal...

Modulating *CO Adsorption Behavior: A Mechanistic Strategy for High‐Efficiency C–N Coupling in Urea Electrochemical Synthesis

ABSTRACT Electrochemical urea synthesis through CO 2 and nitrate/nitrite (NO 3 − /NO 2 − ) co‐reduction represents a revolutionary alternative pathway for urea formation. Although studies reveal that restraining C‐intermediates desorption is beneficial for C‐N coupling, *CO adsor...

Gradient‐Mass‐Transfer Synthesis of 2D [Bi 2 CuO 3 ]SO 4 Crystals for Anisotropy Engineering

ABSTRACT The intrinsic physical anisotropy of low‐symmetry materials makes them highly promising candidates for polarization‐sensitive devices. However, their practical application remains constrained by the scarcity of single materials that can combine low symmetry with high per...

Microstructure and Texture Evolution of GWS841 Magnesium Alloy During Hot Extrusion

In this experiment, the solid solution GWS841 magnesium alloy was deformed by hot extrusion at 500 °C. EBSD was used to analyze the evolution of microstructure and texture under different degrees of deformation. The results showed that the average grain size decreased from 75.8 μ...

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...