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Carbon Resources Conversion 2023年第3期6卷 167-172页

作者： Zhen Lu Hongjie Kang Ji Li jianpeng shang Kun Yang Rui Liu Zuopeng Li Feng Feng Yong Guo Haidong Zhao School of Chemistry and Chemical Engineering Shanxi Datong UniversityDatong 037009China Datong Qinxiong Yunding Hydrogen Energy Technology Co. Ltd.Datong 037005China

The three-dimensional(3D)self-supporting Pt nanoflower catalyst was prepared by using Pt organic compounds as precursors in a low-temperature molten salt *** obtained Pt nanoflower nanoparticle can reach 400-500 nm with a face-centered cubic structure,which has the structural characteristics of a loose framework and more exposed active *** surfactant-free Pt nanoflower was directly used as methanol electrooxidation reaction(MOR)electrocatalysts without any pretreatment and activated carbon *** results of electrochemical catalytic oxidation of methanol showed that the Pt nanoflower catalyst exhibit more enhanced electrocatalytic oxidation performance toward methanol compared with the commercial platinum black *** green and effective method can be developed and expected to enable mass production of fuel cell catalysts.

关键词： Fuel cell Self-supporting Pt nanoflower Methanol electrooxidation reaction

Photocatalytic degradation of tetracycline by copper(I)oxide loaded on Daylily Stalk derived carbon material

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Carbon Resources Conversion 2024年第2期7卷 17-26页

作者： Shuying Li Zhinan Guo Jing Lv Yibo Zhao jianpeng shang Qiang Zhao Yong Guo Junli Wang Jianguo Zhao Abuliti Abudula Guoqing Guan School of Chemistry and Chemical Engineering Shanxi Datong UniversityDatong 037009PR China The Engineering Research Center of Coal-based Ecological Carbon Sequestration Technology of the Ministry of Education Shanxi Datong UniversityDatong 037009PR China Graduate School of Science and Technology Hirosaki University1-BunkyochoHirosaki 036-8560Japan Energy Conversion Engineering Laboratory Institute of Regional Innovation(IRI)Hirosaki University3-BunkyochoHirosaki 036-8561Japan

In this work,Daylily Stalks derived N doped carbon material(N-DSC)with a high specific surface area was firstly prepared by a chemical activation method,and then cubic Cu_(2)O nanoparticles were combined with the prepared N-DSC to obtain N-DSC/Cu_(2)O composite as the catalyst for the photocatalytic degradation of tetracycline(TC)antibiotics under visible *** is found that the obtained composite had higher photocatalytic activity than pure Cu_(2)***,25 wt%N-DSC/Cu_(2)O composite showed the highest photocatalytic performance with 95%of TC degradation within 100 min and more excellent *** with various characterizations,it is confirmed that carbon bonds should be conducive to the separation of photoelectron and hole,and the carbon layer with an excellent electrical conductivity on Cu_(2)O can reduce the charge transfer resistance between N-DSC and Cu_(2)O,thereby improving the absorption of visible light and enhancing the photocatalytic ***,it is considered that the synergistic effect of photo-generated electron pair in Cu_(2)O and N-DSC could promote the photodegradation efficiency of N-DSC/Cu_(2)O *** addition,the active species capture experiment confirmed that·OH and·O_(2)􀀀should be the main active species for TC degradation under visible *** study is expected to provide a novel low-cost photocatalysts for pollutants removal.

关键词： Visible-light photocatalysts N-DSC/Cu_(2)O composite Photodegradation Tetracycline antibiotics

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非光气合成N-取代氨基甲酸酯的研究进展

化工进展 2014年第4期33卷 811-816,849页

作者：尚建鹏李作鹏武美霞郭永山西大同大学应用化学研究所山西大同037009

简述了近年来国内外非光气合成N-取代氨基甲酸酯的主要方法,重点阐述了以CO、碳酸二甲酯、CO2、氨基甲酸烷基酯等为羰基化试剂的合成途径,并对各合成方法的优缺点进行了系统的评述。指出氨基甲酸烷基酯以其毒性低、活性高以及制备简单... 详细信息

简述了近年来国内外非光气合成N-取代氨基甲酸酯的主要方法,重点阐述了以CO、碳酸二甲酯、CO2、氨基甲酸烷基酯等为羰基化试剂的合成途径,并对各合成方法的优缺点进行了系统的评述。指出氨基甲酸烷基酯以其毒性低、活性高以及制备简单等优点使其成为合成N-取代氨基甲酸酯最具工业化应用前景的羰基化试剂;而以CO2为羰基化试剂合成N-取代氨基甲酸酯的路线符合当前绿色化学的主题,为CO2的资源化利用提供了新途径,是今后的研究热点。

关键词：非光气 N-取代氨基甲酸酯羰基化试剂二氧化碳合成催化

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潜艇X舵控制分配器设计和仿真

中国舰船研究 2020年第2期15卷 137-142页

作者：商建朋李文魁黄跃鹏海军工程大学电气工程学院湖北武汉430033 中国人民解放军东部战区海军保障部浙江宁波315122

[目的]为解决X舵潜艇在不同可用舵面条件下的操舵控制问题,开展X舵潜艇的操舵控制分配器设计。[方法]操舵控制系统采用“主控制器—控制分配器”级联控制结构,主控制器采用已有的成熟算法,将舵角控制分配问题转换为受舵角限幅、舵速限... 详细信息

[目的]为解决X舵潜艇在不同可用舵面条件下的操舵控制问题,开展X舵潜艇的操舵控制分配器设计。[方法]操舵控制系统采用“主控制器—控制分配器”级联控制结构,主控制器采用已有的成熟算法,将舵角控制分配问题转换为受舵角限幅、舵速限幅约束的加权最小二乘法(WLS)问题进行求解,设计受限控制分配算法,并分别在四舵、三舵、双舵条件下进行定深旋回、潜浮运动仿真,以验证控制分配算法的正确性。[结果]仿真结果表明,在给定的舵机配置条件下,随着操舵面的减少,潜浮性能并无差异,转向性能略有降低,横倾振荡及舵角抖动趋于严重。[结论]所提控制分配算法施舵合理,适用于各种舵机配置情况。

关键词：潜艇 X舵控制分配加权最小二乘法

二维层状ZnNiAl-LDH负载氧化亚铜光催化剂的制备及其降解性能

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材料研究学报 2024年第6期38卷 423-429页

作者：郭智楠赵强李淑英王俊丽许琳尚建鹏郭永山西大同大学化学与化工学院大同037009 山西省清洁能源材料联合实验室大同037009 煤基生态碳汇技术教育部工程研究中心大同037009

用沉淀法将ZnNiAl-LDH掺杂在Cu_(2)O中制备出一种可见光光催化剂。用这种催化剂可见光降解四环素(TC),研究其光催化性能。结果表明,这种ZnNiAl-LDH/Cu_(2)O的催化活性比纯Cu_(2)O的更高,掺杂7%ZnNiAl-LDH的ZnNiAl-LDH/Cu_(2)O光催化剂... 详细信息

用沉淀法将ZnNiAl-LDH掺杂在Cu_(2)O中制备出一种可见光光催化剂。用这种催化剂可见光降解四环素(TC),研究其光催化性能。结果表明,这种ZnNiAl-LDH/Cu_(2)O的催化活性比纯Cu_(2)O的更高,掺杂7%ZnNiAl-LDH的ZnNiAl-LDH/Cu_(2)O光催化剂其降解活性最优,在50 min内能将TC降解89.6%。这表明,ZnNiAl-LDH/Cu_(2)O催化剂对TC的光催化降解活性较高。7%ZnNiAl-LDH/Cu_(2)O具有较高光降解效率的原因是,在Cu_(2)O与ZnNiAl-LDH之间高效的界面电荷转移和协同作用提高了光生电子空穴对的分离效率。

关键词：无机非金属材料沉淀法 Cu2O ZnNiAl-LDH 四环素光降解性能

不同金属离子掺杂的含氧酸铋盐的制备及其光催化性能的研究

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山东化工 2018年第8期47卷 37-40页

作者：张琦尚建鹏山西大同大学山西大同037009

采用水热法制备了一系列金属离子掺杂的钨酸铋、钼酸铋、磷钼酸铋等含氧酸铋盐光催化材料,评价其在可见光下降解有机染料的光催化性能。详细考察了掺杂金属离子种类、掺杂量及有机染料种类对其光催化性能的影响。结果表明,0.5%Fe/Bi_2W... 详细信息

采用水热法制备了一系列金属离子掺杂的钨酸铋、钼酸铋、磷钼酸铋等含氧酸铋盐光催化材料,评价其在可见光下降解有机染料的光催化性能。详细考察了掺杂金属离子种类、掺杂量及有机染料种类对其光催化性能的影响。结果表明,0.5%Fe/Bi_2WO_6对罗丹明B的降解率最好,可达到98.3%。

关键词：掺杂含氧酸铋盐光催化罗丹明B

氧化亚铜基光催化剂的制备及降解性能研究进展

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材料导报 2024年第14期38卷 37-51页

作者：赵强李淑英郭智楠许琳赵一博吕靖尚建鹏郭永王俊丽山西大同大学化学与化工学院山西大同037009 山西大同大学山西省清洁能源材料联合实验室山西大同037009 煤基生态碳汇技术教育部工程研究中心山西大同037009

Cu_(2)O是一种p型半导体,在光催化领域有着广阔的应用前景。研究者通过调控Cu_(2)O形貌和尺寸、构建异质结结构、设计复合材料增大比表面积和导电性等手段,提高其光利用率,降低了光生电子-空穴对复合率,从而提高了Cu_(2)O的光催化活性... 详细信息

Cu_(2)O是一种p型半导体,在光催化领域有着广阔的应用前景。研究者通过调控Cu_(2)O形貌和尺寸、构建异质结结构、设计复合材料增大比表面积和导电性等手段,提高其光利用率,降低了光生电子-空穴对复合率,从而提高了Cu_(2)O的光催化活性和光稳定性,促进了其在光催化降解染料领域的应用。本文重点综述了通过元素掺杂、半导体异质结构建及与其他材料复合的途径增强Cu_(2)O光催化性能的方法,归纳了其在光催化降解有机污染物方面的应用及异质结增强机理,指出了目前研究存在的短板,并对氧化亚铜基复合光催化的发展及应用前景进行了展望。

关键词：氧化亚铜掺杂半导体异质结光降解性能

Porous nanocomposites with enhanced intrinsic piezoresistive sensitivity for bioinspired multimodal tactile sensors

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Microsystems & Nanoengineering 2024年第1期10卷 243-256页

作者： jianpeng Zhang Song Wei Caichao Liu Chao shang Zhaoqiang He Yu Duan Zhengchun Peng State Key Laboratory of Radio Frequency Heterogeneous Integration(Shenzhen University) School of Physics and Optoelectronic EngineeringShenzhen University518060 ShenzhenGuangdong ProvinceP.R.China Linksense Technology Ltd. 518060 ShenzhenGuangdong ProvinceP.R.China

In this work,we propose porous fluororubber/thermoplastic urethane nanocomposites(PFTNs)and explore their intrinsic piezoresistive sensitivity to *** experiments reveal that the intrinsic sensitivity of the PFTN-based sensor to pressure up to 10 kPa increases up to 900%compared to the porous thermoplastic urethane nanocomposite(PTN)counterpart and up to 275%compared to the porous fluororubber nanocomposite(PFN)*** pressures exceeding 10 kPa,the resistance-pressure relationship of PFTN follows a logarithmic function,and the sensitivity is 221%and 125%higher than that of PTN and PFN,*** the excellent intrinsic sensitivity of the thick PFTN film,a single sensing unit with integrated electrode design can imitate human skin for touch detection,pressure perception and traction *** sensing range of our multimodal tactile sensor reaches~150 Pa,and it exhibits a linear fit over 97%for both normal pressure and shear *** also demonstrate that an electronic skin,made of an array of sensing units,is capable of accurately recognizing complex tactile interactions including pinch,spread,and tweak motions.

关键词： sensation intrinsic modal

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物理化学中关于n级反应及其半衰期的讨论

大学化学 2018年第6期33卷 65-70页

作者：李作鹏尚建鹏武美霞苏彩娜郭子英张三兵郭永山西大同大学化学与环境工程学院山西大同037009 中国农业大学理学院应用化学系北京100193

相对于积分法和微分法,由半衰期法确定反应级数的方法具有更高的可靠性和普适性。但教科书上由n级反应推导半衰期的过程却较为模糊。本文通过四种不同的方法详细探讨了n级反应及其半衰期的推导过程,有利于学生加深对n级反应及其半衰期... 详细信息

相对于积分法和微分法,由半衰期法确定反应级数的方法具有更高的可靠性和普适性。但教科书上由n级反应推导半衰期的过程却较为模糊。本文通过四种不同的方法详细探讨了n级反应及其半衰期的推导过程,有利于学生加深对n级反应及其半衰期推导过程的认识。

关键词： n级反应半衰期微分式积分式推导

Multi-parameter e-skin based on biomimetic mechanoreceptors and stress field sensing

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npj Flexible Electronics 2023年第1期7卷 374-382页

作者： Chao shang Qunhui Xu Nengmin Liang jianpeng Zhang Lu Li Zhengchun Peng Center for Stretchable Electronics and Nano Sensors Key Laboratory of Optoelectronic Devices and Systems of Ministry of EducationSchool of Physics and Optoelectronic EngineeringShenzhen University518060 ShenzhenChina

Tactile sensing has been a key challenge in robotic *** by how human skin sense the stress field with layered structure and distributed mechanoreceptors,we herein propose a design for modular multi-parameter perception electronic *** the stress field sensing concept,complex tactile signals can be transformed into field *** analyzing the stress field,the realtime three-dimensional forces can be resolved with 1.8°polar angle resolution and 3.5°azimuthal angle resolution(achieved up to 71 folds of improvement in spatial resolution),we can also detect the hardness of object in contact with the electronic ***,we demonstrate random assembly of the sensing arrays and integration of our electronic skin onto differently curved surfaces do not lead to any measurement variation of the stress *** result reveals that the sensing elements in our electronic skin system can be modularly made and exchanged for specific applications.

关键词： parameter stress field