Kaixuan Chen
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View article: Broadband Trilayer Adiabatic Edge Coupler on Thin-Film Lithium Tantalate for NIR Light
Broadband Trilayer Adiabatic Edge Coupler on Thin-Film Lithium Tantalate for NIR Light Open
This work addresses the challenge of realizing broadband, low-loss fiber-to-waveguide coupling in the short-wavelength near-infrared range (700–1050 nm), where the required fine structural dimensions and taper tips approach or even exceed …
View article: An Electrochemical Sensor for the Simultaneous Detection of Pb2+ and Cd2+ in Contaminated Seawater Based on Intelligent Mobile Detection Devices
An Electrochemical Sensor for the Simultaneous Detection of Pb2+ and Cd2+ in Contaminated Seawater Based on Intelligent Mobile Detection Devices Open
Excessive levels of Pb2+ and Cd2+ in seawater pose significant combined toxicity to marine organisms, resulting in harmful effects and further threatening human health through biomagnification in the food chain. Traditional methods for det…
View article: First Demonstration of Differential‐Drive Push‐Pull Modulators on Thin‐Film Lithium Niobate
First Demonstration of Differential‐Drive Push‐Pull Modulators on Thin‐Film Lithium Niobate Open
Thin‐film lithium niobate (TFLN) based electro‐optic (EO) Mach–Zehnder modulators (MZMs) have shown their potential for next generation high‐speed optical transmission modules and systems. Unlike modulators on other platforms, most of TFLN…
View article: First‐Principles Investigation of a High‐Chern‐Number Quantum Anomalous Hall Insulator Mn<sub>2</sub>Bi<sub>2</sub>O<sub>6</sub> and Its BN‐Coupled Multilayer Heterostructures
First‐Principles Investigation of a High‐Chern‐Number Quantum Anomalous Hall Insulator Mn<sub>2</sub>Bi<sub>2</sub>O<sub>6</sub> and Its BN‐Coupled Multilayer Heterostructures Open
In modern condensed matter physics, the quantum anomalous Hall effect (QAHE), an important manifestation of topological quantum states, has attracted much attention due to its ability to exhibit the quantum Hall effect without the need for…
View article: Numerical Study on the Combustion of NEPE Sandwich Propellant in Depressurization Environment
Numerical Study on the Combustion of NEPE Sandwich Propellant in Depressurization Environment Open
In this paper, a two-dimensional sandwich model is proposed to simulate the combustion characteristics and combustion instability mechanism of NEPE propellant in depressurization environment. In order to explain the combustion process of t…
View article: Pore-Rich Ni-Co Spinel Oxides for Treating Soot Oxidation in Engine Exhausts
Pore-Rich Ni-Co Spinel Oxides for Treating Soot Oxidation in Engine Exhausts Open
Noble metals are still in high demand for exhaust control catalysts in mobile sources. Designing highly efficient and less costly catalysts for soot purification from engine emissions is a challenge. Herein, the Ni-Co spinel oxide catalyst…
View article: Substrate effect on the electronic band structure and topological properties in a monolayer V <sub>2</sub> O <sub>3</sub> magnetic topological insulator
Substrate effect on the electronic band structure and topological properties in a monolayer V <sub>2</sub> O <sub>3</sub> magnetic topological insulator Open
Monolayer V 2 O 3 hosts a quantum anomalous Hall (QAH) state. Substrate engineering reveals that nonmagnetic h-BN preserves the QAH phase, while ferromagnetic substrates disrupt it, guiding the design of dissipationless topological electro…
View article: Aged bone marrow macrophages drive systemic aging and age-related dysfunction via extracellular vesicle-mediated induction of paracrine senescence
Aged bone marrow macrophages drive systemic aging and age-related dysfunction via extracellular vesicle-mediated induction of paracrine senescence Open
The accumulation and systemic propagation of senescent cells contributes to physiological aging and age-related pathology. However, which cell types are most susceptible to the aged milieu and could be responsible for the propagation of se…
View article: Exosomes derived from mesenchymal stem cells in diabetes and diabetic complications
Exosomes derived from mesenchymal stem cells in diabetes and diabetic complications Open
Diabetes, a group of metabolic disorders, constitutes an important global health problem. Diabetes and its complications place a heavy financial strain on both patients and the global healthcare establishment. The lack of effective treatme…
View article: Powerformer: A Section-adaptive Transformer for Power Flow Adjustment
Powerformer: A Section-adaptive Transformer for Power Flow Adjustment Open
In this paper, we present a novel transformer architecture tailored for learning robust power system state representations, which strives to optimize power dispatch for the power flow adjustment across different transmission sections. Spec…
View article: Cerium Doping Effect in 3DOM Perovskite-Type La2−xCexCoNiO6 Catalysts for Boosting Soot Oxidation
Cerium Doping Effect in 3DOM Perovskite-Type La2−xCexCoNiO6 Catalysts for Boosting Soot Oxidation Open
Herein, we present an in-depth investigation into the enhancement of catalytic soot oxidation through cerium-doped three-dimensional ordered macroporous (3DOM) La-Co-Ni-based perovskites synthesized with the colloidal crystal template (CCT…
View article: Fluoropolymer Nanoparticles Synthesized via Reversible-Deactivation Radical Polymerizations and Their Applications
Fluoropolymer Nanoparticles Synthesized via Reversible-Deactivation Radical Polymerizations and Their Applications Open
Fluorinated polymeric nanoparticles (FPNPs) combine unique properties of fluorocarbon and polymeric nanoparticles, which has stimulated massive interest for decades. However, fluoropolymers are not readily available from nature, resulting …
View article: Theoretical and Modeling Study about the Low-Temperature Reaction Mechanism Between Oxymethylene Ether-2 (OME<sub>2</sub>) Radicals and O<sub>2</sub>
Theoretical and Modeling Study about the Low-Temperature Reaction Mechanism Between Oxymethylene Ether-2 (OME<sub>2</sub>) Radicals and O<sub>2</sub> Open
Oxymethylene ether-2 (CH3-O-CH2-O-CH2-O-CH3, OME2), a carbon-neutral fuel, was hydrogenated from CO2 captured in air or exhaust gases and reused for synthesis with renewable electricity. In the current work, two different potential energy …
View article: The Method and Study of Detecting Phenanthrene in Seawater Based on a Carbon Nanotube–Chitosan Oligosaccharide Modified Electrode Immunosensor
The Method and Study of Detecting Phenanthrene in Seawater Based on a Carbon Nanotube–Chitosan Oligosaccharide Modified Electrode Immunosensor Open
Phenanthrene (PHE), as a structurally simple, tricyclic, polycyclic aromatic hydrocarbon (PAHs), is widely present in marine environments and organisms, with serious ecological and health impacts. It is crucial to study fast and simple hig…
View article: Greater Transferability and Accuracy of Norm-conserving Pseudopotentials using Nonlinear Core Corrections
Greater Transferability and Accuracy of Norm-conserving Pseudopotentials using Nonlinear Core Corrections Open
We present an investigation into the transferability of pseudopotentials (PPs) with a nonlinear core correction (NLCC) using the Goedecker, Teter, and Hutter (GTH) protocol across a range of pure GGA, meta-GGA and hybrid functionals, and t…
View article: Theoretical Studies on the Reaction Kinetic of 2-Acetylfuran with Hydroxyl Radicals
Theoretical Studies on the Reaction Kinetic of 2-Acetylfuran with Hydroxyl Radicals Open
With the development of synthetic methods, 2-acetylfuran (AF2) has become a potential biomass fuel. The potential energy surfaces of AF2 and OH including OH-addition reactions and H-abstraction reactions were constructed by theoretical cal…
View article: Cooperative behavior of miniature magnetic swimmers in uniform magnetic fields
Cooperative behavior of miniature magnetic swimmers in uniform magnetic fields Open
Magnetically powered miniature robots have received increasing attention for decades owing to their convenient navigation ability, noninvasive remote actuation, and diverse potential applications. Although various individual motions of mag…
View article: The Good, the Bad, and the Ugly: Pseudopotential Inconsistency Errors in Molecular Applications of Density Functional Theory
The Good, the Bad, and the Ugly: Pseudopotential Inconsistency Errors in Molecular Applications of Density Functional Theory Open
The pseudopotential (PP) approximation is one of the most common techniques in computational chemistry. Despite its long history, the development of custom PPs has not tracked with the explosion of different density functional approximatio…
View article: Exploring the Chemical Kinetics of the First Oxygen Addition to Di-<i>n</i>-Propyl Ether Radicals at Low Temperatures
Exploring the Chemical Kinetics of the First Oxygen Addition to Di-<i>n</i>-Propyl Ether Radicals at Low Temperatures Open
Linear ethers are promising biomass fuels with high volume energy density and high cetane number that may be used directly as alternative fuels or fuel additives in internal combustion engines. In this work, the first O2 addition reaction …
View article: The birth and evolution of solvated electrons in the water
The birth and evolution of solvated electrons in the water Open
The photo-induced radiolysis of water is an elementary reaction in biology and chemistry, forming solvated electrons, OH radicals, and hydronium cations on fast time scales. Here, we use an optical-pump terahertz-probe spectroscopy setup t…
View article: Investigation on micro-flame structure of ammonium perchlorate composite propellant under wide pressure range
Investigation on micro-flame structure of ammonium perchlorate composite propellant under wide pressure range Open
This present work proposes a method to exactly evaluate the thermal process of ammonium perchlorate/hydroxyl-terminated polybutadiene propellant. The 3-D propellant pack is generated by the Monte-Carlo method to obtain a representative san…
View article: Greater transferability and accuracy of norm-conserving pseudopotentials using nonlinear core corrections
Greater transferability and accuracy of norm-conserving pseudopotentials using nonlinear core corrections Open
We investigate the transferability of NLCC pseudopotentials (PPs) using the GTH protocol with various functionals (GGA, meta-GGA, hybrid), exploring their effects on thermochemical and non-thermochemical properties.
View article: Detection of BaP in seawater based on multi-walled carbon nanotubes composites immunosenor
Detection of BaP in seawater based on multi-walled carbon nanotubes composites immunosenor Open
Benzo(a)pyrene, as the main polycyclic aromatic hydrocarbon pollutant in marine oil spill pollution, has negative effects on marine ecology and human health. A facile and sensitive method of rapid benzo(a)pyrene detection in seawater is es…
View article: Band-like transport in non-fullerene acceptor semiconductor Y6
Band-like transport in non-fullerene acceptor semiconductor Y6 Open
The recently reported non-fullerene acceptor (NFA) Y6 has been extensively investigated for high-performance organic solar cells. However, its charge transport property and physics have not been fully studied. In this work, we acquired a d…
View article: Distribution-Aware Graph Representation Learning for Transient Stability Assessment of Power System
Distribution-Aware Graph Representation Learning for Transient Stability Assessment of Power System Open
The real-time transient stability assessment (TSA) plays a critical role in the secure operation of the power system. Although the classic numerical integration method, \textit{i.e.} time-domain simulation (TDS), has been widely used in in…