检索结果-内蒙古大学图书馆

Light-enhanced metal-support interaction for synergetic photo/thermal catalytic formaldehyde oxidation

Journal of materials Science & technology 2023年第36期167卷 74-81页

作者： Jiawei Ye Linxi Wang Bicheng Zhu Bei Cheng Rongan He Laboratory of Solar Fuel Faculty of Materials Science and ChemistryChina University of GeosciencesWuhan 430078China State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070China Hunan Key Laboratory of Applied Environmental Photocatalysis Changsha UniversityChangsha 410022China

The strong metal-support interaction(SMSI)plays a pivotal role in regulating electronic properties and activating surface oxygen *** this work,we report light-irradiation-modulated SMSI for enhanced formaldehyde(HCHO)***,the SMSI between Pt nanoparticles(NPs)and Bi_(2)MoO_(6)cre-ated surface-active oxygen at Pt-Bi_(2)MoO_(6)interfaces to activate HCHO to dioxymethylene(DOM).Notably,light irradiation boosted the SMSI and catalytic ***,photogenerated holes in Bi_(2)MoO 6 im-proved HCHO adsorption and activation,while photogenerated electrons migrated from Bi_(2)MoO_(6)to Pt NPs to promote O_(2)adsorption and activation,accelerating the oxidation of DOM to CO_(2)and H_(2)*** light-modulated SMSI and the synergy between photocatalysis and thermocatalysis lead to enhanced cat-alytic oxidation activity,providing a practical strategy for indoor volatile organic compound(VOC)de-composition under ambient conditions.

关键词： Formaldehyde oxidation Strong metal-support interaction Photocatalysis Photo-thermal synergy Electron transfer

来源：评论

学校读者我要写书评

暂无评论

Probing the Nucleation and Growth Kinetics of Bismuth Nanoparticles via In-situ Transmission Electron Microscopy

引用

Journal of Wuhan University of technology(materials Science) 2024年第4期39卷 877-887页

作者：王浪李超凡 RAN Maojin YUAN Manman 胡执一 LI Yu State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070China Nanostructure Research Centre(NRC) Wuhan University of TechnologyWuhan 430070China Institute of Chemistry Henan Academy of SciencesZhengzhou 450002China Henan Academy of Sciences Zhengzhou 450046China

The nucleation and growth mechanism of nanoparticles is an important theory,which can guide the preparation of ***,it is still lacking in direct observation on the details of the evolution of intermediate state structure during nucleation and *** this work,the evolution process of bismuth nanoparticles induced by electron beam was revealed by in-situ transmission electron microscopy(TEM)at atomic *** experimental results demonstrate that the size,stable surface and crystallographic defect have important influences on the growth of Bi *** non-classical growth paths including single crystal growth and polycrystalline combined growth,as well as,corresponding layer-by-layer growth mechanism along{012}stable crystal plane of Bi nanoparticles with dodecahedron structure were revealed by in-situ TEM *** results provide important guidance and a new approach for in-depth understanding of the nucleation and growth kinetics of nanoparticles.

关键词： bismuth nanoparticles crystal growth transmission electron microscopy in-situ electron microscopy

来源：评论

学校读者我要写书评

暂无评论

A mini review on the separation of Al,Fe and Ti elements from coal fly ash leachate

引用

International Journal of Coal Science & technology 2024年第2期11卷 1-15页

作者： Yuan Shi Fengqi Jiang Rongjiao Wang Sasha Yang Xiaofeng Zhu Yingying Shen State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals School of Material Science and EngineeringLanzhou University of TechnologyLanzhou 730050China Department of Chemical and Biological Engineering Monash UniversityWellington RoadClaytonMelbourneVIC 3800Australia

The electricity demand is increasing rapidly with the development of society and ***-fired thermal power plants have become one of the primary sources of electricity generation for ***,coal-fired thermal power plants produce a great amount of by-product coal fly ash every *** fly ash disposal in landfills requires a sizable space and has negative environmental ***,it is crucial to develop new technologies and methods to utilize this enormous volume of solid waste in order to protect the *** this review,the fundamental physical and chemical character-istics of coal fly ash are introduced,and afterward the disposal policies and utilization ways of coal fly ash are discussed to gain a comprehensive understanding of the various ways this *** leaching of valuable metals in coal fly ash and the extraction of metal elements in leachate under different conditions are also ***,the possibility of coal fly ash to serve as a supplementary source for mineral resources is analyzed,providing a basis for its extensive use as a raw material in the metal industry in China and worldwide.

关键词： Coal fly ash Waste utilization Metals extraction

来源：评论

学校读者我要写书评

暂无评论

Reshaping Electrolyte Solvation Structure for High-Energy Aqueous Batteries

引用

Energy & Environmental materials 2022年第3期5卷 686-687页

作者： Shuailei Liu Jinping Liu School of Chemistry Chemical Engineering and Life ScienceState Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingWuhan University of TechnologyWuhan 430070China

A highlight on reshaping aqueous electrolyte solvation structure for highenergy batteries is ***,the recent key design routes for regulating solvation structure to widen electrochemical stability window(ESW)of aqueous electrolyte are briefly ***,the groundbreaking work of Wang et *** reshaping electrolyte structure using urea as the diluent is ***,the significance of Wang's work is highlighted.

关键词： aqueous electrolyte structure CO(NH_2)_2 electrochemical stability window energy density

来源：评论

学校读者我要写书评

暂无评论

Ultraviolet Photodetector based on Sr_(2)Nb_(3)O_(10) Perovskite Nanosheets

引用

Journal of Wuhan University of technology(materials Science) 2024年第2期39卷 282-287页

作者：张斌斌 JIA Mengmeng LIANG Qi WU Jinsong ZHAI Junyi 李宝文 School of Materials Science and Engineering Wuhan University of TechnologyWuhan 430070China CAS Center for Excellence in Nanoscience Beijing Institute of Nanoenergy and NanosystemsChinese Academy of SciencesBeijin 100083China State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070China

Liquid-phase exfoliation was employed to synthesize Sr_(2)Nb_(3)O_(10) perovskite nanosheets with thicknesses down to 1.76 *** electron microscopy(TEM),atomic force microscope(AFM),X-ray photoelectron spectrometer(XPS),and other characterization techniques were used to evaluate the atomic structure and chemical composition of the exfoliated nanosheets.A UV photodetector based on individual Sr_(2)Nb_(3)O_(10) nanosheets was prepared to demonstrate the application of an ultraviolet(UV) *** UV photodetector exhibited outstanding photocurrent and responsivity with a responsivity of 3×10^(5) A·W^(-1) at 5 V bias under 280 nm illumination,a photocurrent of 60 nA,and an on/off ratio of 3×10^(2).

关键词： perovskite nanosheets liquid-phase exfoliation ultraviolet photodetector

来源：评论

学校读者我要写书评

暂无评论

Dynamic reconstruction of Ni-Zn alloy solid-electrolyte interface for highly stable Zn anode

引用

Nano Research 2023年第9期16卷 11604-11611页

作者： Qian Zhang Yuhang Dai Kangning Zhao Chengyi Zhang Ruihu Lu Jinghao Li Shuhan Jin Lei Zhang Qinyou An Liqiang Mai State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070China Department of Physical Science and Technology School of ScienceWuhan University of TechnologyWuhan 430070China Hainan Institute Wuhan University of TechnologySanya 572000China

Aqueous zinc ion batteries(AZIBs)are ideal candidates for large-scale battery storage,with a high theoretical specific capacity,ecological friendliness,and extremely low cost but are strongly hindered by zinc dendrite ***,Ni-Zn alloy is artificially constructed as a solid-electrolyte interface(SEI)for Zn anodes by electrodeposition and *** Ni-Zn alloy layer acts as a dynamic shield at the electrode/electrolyte ***,the zinc atoms migrate out of the electrode body during zinc stripping while merging into the electrode body during the *** this way,the Ni-Zn alloy is able to guide the zinc deposition in the horizontal direction,thereby suppressing the formation of *** from those,the Ni-Zn alloy symmetric cell shows a greatly improved cycle life and is able to operate stably for 1,900 h at a current density of 0.5 mA·cm^(−2).The present study is a strategy for negative electrode protection of AZIBs.

关键词： zinc ion batteries Zn anodes Ni-Zn alloy migration mechanism

来源：评论

学校读者我要写书评

暂无评论

Methylthio side-chain modified quinoidal benzo-[1,2-b:4,5-b']dithiophene derivatives for high-performance ambipolar organic field-effect transistors

引用

Science China Chemistry 2024年第10期67卷 3357-3365页

作者： Li Chen Xiaoqi Luo Nuoya Li Shaoqian Peng Qing Jiang Di Wu Jianlong Xia State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Center of Smart Materials and DevicesWuhan University of TechnologyWuhan 430070China School of Chemistry Chemical Engineering and Life ScienceWuhan University of TechnologyWuhan 430070China Department of Chemistry National University of SingaporeSingapore 117543Singapore

Quinoidal small molecule semiconductors hold huge potential in ambipolar organic field-effect transistors(OFETs)and organic spintronic ***,two quinoidal molecules with methylthio side chains were synthesized to develop molecular semiconductors with high ambipolar mobility,designated QBDTS and *** theoretical calculation results reveal that QBDTS has a closed-shell structure while QTBDTS showed an open-shell structure with a biradical character(y0)of 0.46 and its magnetic properties were further investigated using electron paramagnetic resonance(EPR)and superconducting quantum interference device(SQUID)*** methyl side chains showed a large impact on the molecular orbital *** HOMO/LUMO levels of QBDTS and QTBDTS were measured to be-5.66/-4.56 and-5.27/-4.48 eV,respectively,which are favorable for ambipolar charge transport in ***,the spin-coated QBDTS displayed hole and electron mobilities of 0.01 and 0.5 cm^(2)V^(-1)s^(-1)while QTBDTS showed a record high hole mobility of 1.8 cm^(2)V^(-1)s^(-1)and electron mobility of 0.3 cm^(2)V^(-1)s^(-1).Moreover,comparative studies of the thin film morphologies also manifested the beneficial influence of methyl side chains on film crystallinity and molecule *** results strongly proved that methyl side chain engineering can be a simple but efficient strategy for modulating electronic properties and molecular stacking *** work also represents a big advancement for quinoidal molecular semiconductors in ambipolar OFET applications.

关键词： side-chain modification quinoidal molecules ambipolar diradicals organic field-effect transistors

来源：评论

学校读者我要写书评

暂无评论

Enhanced Electrochemical Performances of Ni Doped Cr_(8)O_(21)Cathode materials for Lithium-ion Batteries

引用

Journal of Wuhan University of technology(materials Science) 2023年第6期38卷 1242-1247页

作者： TANG Guoli LIU Hanxing YU Zhiyong YANG Bo KONG Linghua School of Materials Science and Engineering Wuhan University of TechnologyWuhan 430070China International School of Materials Science and Engineering Wuhan University of TechnologyWuhan 430070China State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan 430070China

Cathode materials,nickel doped Cr_(8)O_(21),were synthesized by a solid-state *** effects of Ni doping on the electrochemical performances of Cr_(8)O_(21) were *** experimental results show that the discharge capacities of the samples depend on the nickel contents,which increases firstly and then decreases with increasing Ni *** Ni_(0.5)Cr_(7.5)O_(21)delivers a first capacity up to 392.6 m Ah·g^(-1)at *** addition,Ni doped sample also demonstrates enhanced cycling stability and rate capability compared with that of the bare Cr_(8)O_(21).At 1 C,an initial discharge capacity of 348.7 m Ah·g^(-1)was achieved for Ni_(0.5)Cr_(7.5)O_(21),much higher than 271.4 m Ah·g^(-1)of the un-doped sample,with an increase of more than 28%.Electrochemical impedance spectroscopy results confirm that Ni doping reduces the growth of interface resistance and charge transfer resistance,which is conducive to the electrochemical kinetic behaviors during charge-discharge.

关键词： Cr_(8)O_(21) cathode material doping electrochemical performances lithium-ion batteries

来源：评论

学校读者我要写书评

暂无评论

synthesis Approach and Adsorption Properties of SiOC Nanocomposite by Chitin Templating

引用

Journal of Wuhan University of technology(materials Science) 2022年第6期37卷 1041-1047页

作者： HUANG Yaoxuan PING Hang WANG Kun FU Zhengyi State Key Laboratory of Silicate Materials for Architectures Wuhan University of TechnologyWuhan 430070China State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070China

Using chitin as the templating material,we obtained layered nanocomposites like shrimp or crab shells via a sol-gel self-assembly *** images show a layered structure and XRD patterns present a typical peak of chitin,which indicates the templating role of chitin in the as-received hybrid ***,the layer spacing of chitin/silica hybrid materials is reduced with increasing content of *** the heat treatment for carbonization,layered SiOC nanocomposites with mesoporous structures were obtained and showed good dye adsorption *** present study demonstrates a reliable and self-assembly synthesis technique for the development of advanced high-performance nanocomposites with biomimetic nanostructures.

关键词： chitin sol-gel method self-assembly biomimetic structure SiOC nanocomposite

来源：评论

学校读者我要写书评

暂无评论

Recent advances in protective technologies against copper corrosion

引用

Journal of materials Science & technology 2024年第34期201卷 75-94页

作者： Xiaomeng She Jian Peng Yujie Qiang Yue Zhou Song Zhang State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology122 Luoshi RoadWuhan 430070China National Center for Materials Service Safety University of Science and Technology BeijingBeijing 100083China School of Chemistry Chemical Engineering and Life ScienceWuhan University of TechnologyWuhan 430070China

Copper,one of the most frequently utilized non-ferrous metals,finds extensive applications in the elec-trical industry,mechanical engineering,construction industry,and arm ***-term exposure to corrosive environments including moisture,sulfur,chlorine,and microbes induces corrosion,a signifi-cant factor contributing to material ***,numerous scientific endeavors have been directed towards the prevention of copper ***,coating copper with innovative materials like graphene,boron nitride,and various conductive polymers has proven effective in thwarting ***,the introduction of new organic compounds,including azole derivatives,amino acids,and N-heterocyclic carbenes,has bolstered the eco-friendliness and efficiency of corrosion inhibitors and molecular passivation ***,these approaches have been extensively investigated for their efficacy in antioxidation of copper *** study provides a comprehensive review of the latest advancements in protective technologies,such as anti-corrosion coatings,corrosion inhibitors,and molecular passivation layers,aimed at countering copper corrosion under aggressive conditions.

关键词： Copper corrosion Coating Corrosion inhibitor Molecular passivation

来源：评论

学校读者我要写书评

暂无评论

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案：

请选择收藏分类：

通借通还

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：