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Direct Photolithography of WO_x Nanoparticles for High-Resolution Non-Emissive Displays

NANO-MICRO LETTERS 2025年第1期17卷 1-13页

作者： Gu, Chang Yang, Guojian wang, wenxuan Shi, Aiyan Fang, Wenjuan Qian, Lei Hu, Xiaofei Zhang, Ting Xiang, Chaoyu Zhang, Yu-Mo Chinese Acad Sci Ningbo Inst Mat Technol & Engn Lab Optoelect Informat Technol & Devices Ningbo 315201 Peoples R China Qianwan Inst CNITECH Hangzhou Bay Lab Adv Nanooptoelectron Mat & Device Ningbo 315336 Peoples R China Zhejiang Univ Innovat Ctr Yangtze River Delta Smart Mat Architecture Res Lab Jiaxing 314100 Peoples R China Univ Sci & Technol China Hefei 230026 Peoples R China Jilin Univ Coll Chem State Key Lab Supramol Struct & Mat Changchun 130012 Peoples R China

High-resolution non-emissive displays based on electrochromic tungsten oxides (WOx) are crucial for future near-eye virtual/augmented reality interactions, given their impressive attributes such as high environmental stability, ideal outdoor readability, and low energy consumption. However, the limited intrinsic structure of inorganic materials has presented a significant challenge in achieving precise patterning/pixelation at the micron scale. Here, we successfully developed the direct photolithography for WOx nanoparticles based on in situ photo-induced ligand exchange. This strategy enabled us to achieve ultra-high resolution efficiently (line width m, the best resolution for reported inorganic electrochromic materials). Additionally, the resulting device exhibited impressive electrochromic performance, such as fast response ( 3600 cycles), as well as promising applications in electronic logos, pixelated displays, flexible electronics, etc. The success and advancements presented here are expected to inspire and accelerate research and development (R&D) in high-resolution non-emissive displays and other ultra-fine micro-electronics.

关键词： Electrochromic Direct photolithography WOx nanoparticles In situ photo-induced ligand exchange High-resolution displays

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Subinterval Decomposition-Based Interval Importance Analysis Method

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Computer Modeling in Engineering & Sciences 2020年第9期124卷 985-1000页

作者： wenxuan wang Xiaoyi wang School of Mechatronic Engineering Lanzhou Jiaotong UniversityLanzhou730070China

The importance analysis method represents a powerful tool for quantifying the impact of input uncertainty on the output *** an input variable is described by a specific interval rather than a certain probability distribution,the interval importance measure of input interval variable can be calculated by the traditional non-probabilistic importance analysis ***,the non-probabilistic importance analysis methods involve the Monte Carlo simulation(MCS)and the optimization-based methods,which both have high computational *** order to overcome this problem,this study proposes an interval important analytical method avoids the time-consuming optimization ***,the original performance function is decomposed into a combination of a series of one-dimensional ***,the interval of each variable is divided into several subintervals,and the response value of each one-dimensional subsystem at a specific input point is ***,the obtained responses are taken as specific values of the new input variable,and the interval importance is calculated by the approximated performance *** with the traditional non-probabilistic importance analysis method,the proposed method significantly reduces the computational cost caused by the MCS and optimization *** the proposed method,the number of function evaluations is equal to one plus the sum of the subintervals of all of the *** efficiency and accuracy of the proposed method are verified by five *** results show that the proposed method is not only efficient but also accurate.

关键词： Importance analysis method interval variable subinterval decomposition performance function MCS

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Dynamics of a stochastic multi-stage sheep brucellosis model with incomplete immunity

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International Journal of Biomathematics 2023年第8期16卷 231-261页

作者： wenxuan wang Xamxinur Abdurahman College of Mathematics and Systems Science Xinjiang University China

This paper considered a multi-stage sheep brucellosis model with incomplete ***,we established a deterministic model,calculated the basic reproduction number R_(0),set out the conditions for the global stability of the disease-free equilibrium and endemic ***,considering the influence of environmental white noise on brucellosis infection,we further established the stochastic version of the *** constructing a suitable Lyapunov function,we proved the existence and uniqueness of the global positive ***,we got the sufficient conditions for disease extinction and the existence of ergodic stationary ***,we carried out some numerical simulations to verify the theoretical results.

关键词： Brucellosis incomplete immunity white noise extinction stationary distribution

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Sensitivity analysis for probabilistic anti-resonance design of aeronautical hydraulic pipelines

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Chinese Journal of Aeronautics 2019年第4期32卷 948-953页

作者： Changcong ZHOU Zheng ZHANG Fuchao LIU wenxuan wang Institute of Aircraft Reliability Engineering Northwestern Polytechnical University

In an uncertainty scheme, reliability and global sensitivity analysis is studied in this work, to provide helpful information for probabilistic anti-resonance design of vibration *** show that the resonance failure problem can be viewed as a series system, in which input uncertainties are modeled by random variables. In order to quantitatively measure the contributions of input variables to the system reliability, a global sensitivity index is proposed, the properties of which are also discussed. Then the proposed index is tested with an aeronautical hydraulic pipeline system, which is under the excitation of pump vibration and at a risk of resonance failure. Sensitivity results under different failure criteria and variation coefficients are obtained and studied, from which significant and insignificant input variables can be *** proposed method provides a relatively new insight for anti-resonance design of engineering structures.

关键词： Global sensitivity Hydraulic pipeline Reliability Resonance Uncertainty

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An Efficient Reliability-Based Optimization Method Utilizing High-Dimensional Model Representation and Weight-Point Estimation Method

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Computer Modeling in Engineering & Sciences 2024年第5期139卷 1775-1796页

作者： Xiaoyi wang Xinyue Chang wenxuan wang Zijie Qiao Feng Zhang School of Mechatronic Engineering Lanzhou Jiaotong UniversityLanzhou730070China School of Electronic and Information Engineering Lanzhou Jiaotong UniversityLanzhou730070China School of Mechanics Civil Engineering and ArchitectureNorthwestern Polytechnical UniversityXi’anChina

The objective of reliability-based design optimization(RBDO)is to minimize the optimization objective while satisfying the corresponding reliability ***,the nested loop characteristic reduces the efficiency of RBDO algorithm,which hinders their application to high-dimensional engineering *** address these issues,this paper proposes an efficient decoupled RBDO method combining high dimensional model representation(HDMR)and the weight-point estimation method(WPEM).First,we decouple the RBDO model using HDMR and ***,Lagrange interpolation is used to approximate a univariate ***,based on the results of the first two steps,the original nested loop reliability optimization model is completely transformed into a deterministic design optimization model that can be solved by a series of mature constrained optimization methods without any additional *** numerical examples of a planar 10-bar structure and an aviation hydraulic piping system with 28 design variables are analyzed to illustrate the performance and practicability of the proposed method.

关键词： Reliability-based design optimization high-dimensional model decomposition point estimation method Lagrange interpolation aviation hydraulic piping system

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Regional moment-independent sensitivity analysis with its applications in engineering

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Chinese Journal of Aeronautics 2017年第3期30卷 1031-1042页

作者： Changcong ZHOU Chenghu TANG Fuchao LIU wenxuan wang Zhufeng YUE School of Mechanics Civil Engineering and Architecture Northwestern Polytechnical University Xi'an 710129 China

Traditional Global Sensitivity Analysis（GSA） focuses on ranking inputs according to their contributions to the output ***,information about how the specific regions inside an input affect the output is beyond the traditional GSA *** fully address this issue,in this work,two regional moment-independent importance measures,Regional Importance Measure based on Probability Density Function（RIMPDF） and Regional Importance Measure based on Cumulative Distribution Function（RIMCDF）,are introduced to find out the contributions of specific regions of an input to the whole output *** two regional importance measures prove to be reasonable supplements of the traditional GSA *** ideas of RIMPDF and RIMCDF are applied in two engineering examples to demonstrate that the regional moment-independent importance analysis can add more information concerning the contributions of model inputs.

关键词： Cumulative distribution function Moment-independent Probability density function Regional importance measure Sensitivity analysis Uncertainty

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Boosting the electrochromic properties by large V_(2)O_(5)nanobelts interlayer spacing tuned via PEDOT

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Chinese Chemical Letters 2024年第9期35卷 408-413页

作者： Haohao Sun wenxuan wang Yuli Xiong Zelang Jian Wen Chen State Key Laboratory of Advanced Technology for Materials Synthesis and Processing School of Materials Science and EngineeringWuhan University of TechnologyWuhan 430070China Sanya Science and Education Innovation Park of Wuhan University of Technology Sanya 572000China

Vanadium pentoxide(V_(2)O_(5))with a layered structure is of great interest in the field of electrochromic(EC)due to its abundance of color ***,there are still a series of problems such as slow ion diffusion,poor electronic conductivity and cyclic stability in the reaction ***,we successfully prepared a stable and fast multi-color electrochromic material V_(2)O_(5)-PEDOT by a simple“one-pot”*** layer space of V_(2)O_(5)could be tuned by 3,4-ethylenedioxythiophene(named V_(2)O_(5)-PEDOT)during the dissolution and recrystallization of vanadium *** expanded layer spacing facilitates rapid ion insertion and *** serves as an internal conductive pillar to improve the overall conductivity of the *** obtained intercrossing structure of the nanobelts shortens the ion diffusion distance and ensures electrolyte *** V_(2)O_(5)-PEDOT exhibits the fast response time(1.1 s for coloration and 3.5 s for bleaching at 422 nm),high optical contrast(ΔT=45%at 422 nm andΔT=35.2%at 1000 nm),great coloration efficiency(CE=97.1 cm2/C),and high cyclic stability(86%preserved after 3000 cycles).The electrochromic devices(ECD)were successfully assembled by using V_(2)O_(5)-PEDOT films as ion storage layers and electrochromic layers,demonstrating remarkable performance.

关键词： Vanadium oxide PEDOT Nanobelts Interlayer spacing Electrochromic

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Sodium bicarbonate, an inorganic salt and a potential active agent for cancer therapy

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Chinese Chemical Letters 2021年第12期32卷 3687-3695页

作者： Yue wang Xueer Zhou wenxuan wang Yongyao Wu Zhiyong Qian Qiang Peng State Key Laboratory of Oral Diseases National Clinical Research Center for Oral DiseasesWest China Hospital of StomatologySichuan UniversityChengdu 610041China State Key Laboratory of Biotherapy and Cancer Center West China HospitalSichuan University and Collaborative Innovation CenterChengdu 610041China

Cancer is a serious threat to humans due to its high mortality. The efforts to fully understand cancer and to fight against it have never been stopped. The traditional therapies, such as surgery, radiotherapy and chemotherapy, are useful but cannot meet the increasing demands of patients. As such, novel approaches against cancer are urgently required. It has been found that the acidic tumor microenvironment plays important roles in promoting the cancer progression. In recent years, sodium bicarbonate(NaHCO_(3)), a simple inorganic salt, has been found to be able to reverse the p H of tumor microenvironment and inhibit the invasion, metastasis, immune evasion, drug resistance and hypoxia of tumor cells. Thus, NaHCO_(3)-based therapy is a potential approach for the treatment of cancer, and the related studies have been increasingly reported. Herein, we aim to provide a comprehensive understanding of the acidic tumor microenvironment and summarize the applications and mechanisms of Na HCO_(3)in cancer therapy. The combination of Na HCO;with chemotherapy, immunotherapy or nanoparticles systems is discussed. In addition, the concerns of Na HCO_(3)in clinical use and the potential ways to use Na HCO_(3)for cancer therapy are also discussed.

关键词： Sodium bicarbonate Cancer Tumor microenvironment Acidosis Pharmacology

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Bioprocess-inspired preparation of silica with varied morphologies and potential in lithium storage

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Journal of Materials Science & Technology 2021年第13期72卷 61-68页

作者： Fuqiang Wan wenxuan wang Zhaoyong Zou Hao Xie Hang Ping Zhengyi Fu State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan430070China School of Chemistry Chemical Engineeringand Life ScienceWuhan University of TechnologyWuhan430070China

As one of the most delicate bioprocesses in nature,biosilicification is closely related to biosilica with various morphologies,and has provided abundant inspiration to materials *** the present study,to explore the biosilica formation process and fabricate silica with an exquisite microstructure for lithiumion battery(LIB)electrodes,a bacterial phage(M13)is used as a biotemplate to synthesize silica with diverse morphologies:cylinders,hexagonal prisms,assemblies of smaller cylinders and nanowires.A facile ethanol bath method is conducted to coat the nanowires with nitrogen-containing carbon and carbon-coated SiO_(2) nanowires with mesochannels(C@msSiO_(2) NWs)are first used as anode materials for *** to the uniform carbon coating and parallel mesochannel structure,the electronic conductivity and capacity to accommodate volume variations were significantly *** the electrochemical perfo rmance test,the composites calcined at 750℃(C@msSiO_(2) NWs-750)show an impressive capacity of 653 mA h g^(-1) at a current density of 500 mA g^(-1) and stability(1000 cycles).In view of the electrochemical test outcomes,the prepa ration of a sophisticated structure with an outstanding potential is easily achieved via a biomimetic strategy.

关键词： Biomimetic preparation Biosilicification M13 phage Silica nanowires Mesochannel

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Quantum classifier with parameterized quantum circuit based on the isolated quantum system

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The Journal of China Universities of Posts and Telecommunications 2022年第4期29卷 21-31页

作者： Shi Jinjing wang wenxuan Xiao Zimeng Mu Shuai Li Qin School of Computer Science and Engineering Central South UniversityChangsha 410083China School of Computer Science and School of Cyberspace Science Xiangtan UniversityXiangtan 411301China

It is a critical challenge for quantum machine learning to classify the datasets *** article develops a quantum classifier based on the isolated quantum system(QC-IQS)to classify nonlinear and multidimensional ***,a model of QC-IQS is presented by creating parameterized quantum circuits(PQCs)based on the decomposing of unitary operators with the Hamiltonian in the isolated quantum ***,a parameterized quantum classification algorithm(QCA)is designed to calculate the classification results by updating the loss function until it ***,the experiments on nonlinear random number datasets and Iris datasets are designed to demonstrate that the QC-IQS model can handle and generate accurate classification results on different kinds of *** experimental results reveal that the QC-IQS is adaptive and learnable to handle different types of ***,QC-IQS compensates the issue that the accuracy of previous quantum classifiers declines when dealing with diverse *** promotes the process of novel data processing with quantum machine learning and has the potential for more comprehensive applications in the future.

关键词： quantum classifier quantum classification isolated quantum system parameterized quantum circuit Hamiltonian

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