检索结果-内蒙古大学图书馆

Perovskite Quantum Dots: Ultrathin, Core–Shell Structured SiO2Coated Mn2+-Doped Perovskite Quantum Dots for Bright White Light-Emitting Diodes (Small 19/2019)

引用

Small 2019年第19期15卷

作者： Xiaosheng Tang Weiwei Chen Zhengzheng Liu Juan Du Zhiqiang Yao Yi Huang Cheng Chen Zhaoqi Yang Tongchao Shi Wei Hu Zhigang Zang Yu Chen Yuxin Leng Key Laboratory of Optoelectronic Technology & Systems (Ministry of Education) College of Optoeletronic Engineering Chongqing University Chongqing 400044 China State Key Laboratory of High Field Laser Physics Shanghai Institute of Optics and Fine Mechanics Chinese Academy of Sciences Shanghai 201800 China State Centre for International Cooperation on Designer Low-Carbon and Environmental Materials (ICDLCEM) School of Materials Science and Engineering Zhengzhou University Zhengzhou 450001 China College of Optoeletronic Engineering Chongqing University of Posts and Telecommunications Chongqing 400065 P. R. China State Key Laboratory of Advanced Technology for Materials Synthesis and Processing School of Materials Science and Engineering Wuhan University of Technology Wuhan 430070 China School of Pharmaceutical Sciences Jiangnan University Jiangsu 214122 China School of Optoelectronic Science and Engineering & Collaborative Innovation Center of Suzhou Nano Science and Technology Soochow University Suzhou 215006 China

来源：评论

学校读者我要写书评

暂无评论

MOF Encapsulating N-Heterocyclic Carbene-Ligated Copper Single-Atom Site Catalyst towards Efficient Methane Electrosynthesis

引用

Angewandte Chemie 2021年第4期134卷

作者： Dr. Shenghua Chen Dr. Wen-Hao Li Dr. Wenjun Jiang Dr. Jiarui Yang Dr. Jiexin Zhu Dr. Liqiang Wang Dr. Honghui Ou Dr. Zechao Zhuang Prof. Mingzhao Chen Dr. Xiaohui Sun Prof. Dingsheng Wang Prof. Yadong Li Department of Chemistry Tsinghua University Beijing 100084 P. R. China Qian Xuesen Laboratory of Space Technology China Academy of Space Technology Beijing 100094 P. R. China State Key Laboratory of Advanced Technology for Materials Synthesis and Processing International School of Materials Science and Engineering Wuhan University of Technology Wuhan 430070 P. R. China Henan Province Industrial Technology Research Institute of Resources and Materials School of Material Science and Engineering Zhengzhou University Zhengzhou Henan 450001 P. R. China Institute of Environmental Research at Greater Bay Area Key Laboratory for Water Quality and Conservation of the Pearl River Delta Ministry of Education Guangzhou Key Laboratory for Clean Energy and Materials Guangzhou University Guangzhou 510006 P. R. China

The exploitation of highly efficient carbon dioxide reduction (CO 2 RR) electrocatalyst for methane (CH 4 ) electrosynthesis has attracted great attention for the intermittent renewable electricity storage but remains challenging. Here, N-heterocyclic carbene (NHC)-ligated copper single atom site (Cu SAS) embedded in metal–organic framework is reported (2Bn-Cu@UiO-67), which can achieve an outstanding Faradaic efficiency (FE) of 81 % for the CO 2 reduction to CH 4 at −1.5 V vs. RHE with a current density of 420 mA cm −2 . The CH 4 FE of our catalyst remains above 70 % within a wide potential range and achieves an unprecedented turnover frequency (TOF) of 16.3 s −1 . The σ donation of NHC enriches the surface electron density of Cu SAS and promotes the preferential adsorption of CHO* intermediates. The porosity of the catalyst facilitates the diffusion of CO 2 to 2Bn-Cu, significantly increasing the availability of each catalytic center.

关键词： CH4 electrosynthesis CO2RR Cu single-atom site catalyst n-heterocyclic carbene

来源：评论

学校读者我要写书评

暂无评论

Confinement Effects in Zeolite‐Confined Noble Metals

引用

Angewandte Chemie 2019年第36期131卷

作者： Si‐Ming Wu Xiao‐Yu Yang Christoph Janiak State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology (WHUT) Wuhan 430070 China Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai)(SMSEGL) & School of Chemical Engineering and Technology Sun Yat-sen University (SYSU) Zhuhai 519082 China School of Engineering and Applied Sciences Harvard University (HU) Cambridge MA 02138 USA Institut für Anorganische Chemie und Strukturchemie Heinrich-Heine-Universität Düsseldorf 40204 Düsseldorf Germany

Confinement of noble nanometals in a zeolite matrix is a promising way to special types of catalysts that show significant advantages in size control, site adjustment, and nano‐architecture design. The beauty of zeolite‐confined noble metals lies in their unique confinement effects on a molecular scale, and thus enables spatially confined catalysis akin to enzyme catalysis. In this Minireview, the confined synthesis strategies of zeolite‐confined noble metals will be briefly discussed, showing the processes, advantages, features, and mechanisms. The confined catalysis carried on zeolite‐confined noble metals will be summarized, and great emphasis will be paid to the confinement effects involving size, encapsulation, recognition, and synergy. Great progress of atomic sites in the size effect, supercage stabilization in the encapsulation effect, site adsorption in the recognition effect, and cascade reaction in the synergy effect are highlighted. This Minireview is concluded with challenges and opportunities in terms of the synthesis of zeolite‐confined noble metals and their applications to design multifunctional catalysts with high catalytic activity, selectivity, and stability.

关键词： Confinement-Effekt Edelmetalle Heterogene Katalyse Kaskadenreaktionen Zeolithe

来源：评论

学校读者我要写书评

暂无评论

Surface Molecular Engineering for Fully Textured Perovskite/Silicon Tandem Solar Cells

引用

Angewandte Chemie 2024年第36期136卷

作者： Jun Chen Shaofei Yang Dr. Long Jiang Ke Fan Zhiliang Liu Wentao Liu Dr. Wei Li Prof. Haitao Huang Prof. Hong Zhang Prof. Kai Yao Institute of Photovoltaics School of Physics and Materials Science Nanchang University Nanchang 330031 China These authors contributed equally: Jun Chen Shaofei Yang Long Jiang and Ke Fan. Suzhou Maxwell Technologies Co. Ltd. Suzhou 215200 China State Key Laboratory of Oil and Gas Equipment CNPC Tubular Goods Research Institute Xi'an Shaanxi 710077 China Department of Applied Physics The Hong Kong Polytechnic University Hung Hom Kowloon Hong Kong 999077 China State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan 430070 China State Key Laboratory of Photovoltaic Science and Technology Institute of Optoelectronics Fudan University Shanghai 200433 China

Developing large-scale monolithic perovskite/silicon tandem devices based on industrial Czochralski silicon wafers will likely have to adopt double-side textured architecture, given their optical benefits and low manufacturing costs. However, the surface engineering strategies that are widely used in solution-processed perovskites to regulate the interface properties are not directly applicable to micrometric textures. Here, we devise a surface passivation strategy by dynamic spray coating (DSC) fluorinated thiophenethylammonium ligands, combining the advantages of providing conformal coverage and suppressing phase conversion on textured surfaces. From the viewpoint of molecular engineering, theoretical calculation and experimental results demonstrate that introducing trifluoromethyl group provide more effective surface passivation through strong interaction and energy alignment by forming a dipole layer. Consequently, the DSC treatment of this bifunctional molecule enables the tandem cells based on industrial silicon wafers to achieve a certified stabilized power conversion efficiency of 30.89 %. In addition, encapsulated devices display excellent operational stability by retaining over 97 % of their initial performance after 600 h continuous illumination.

关键词： perovskite/silicon tandem devices surface passivation bifunctional molecule dipole layer

来源：评论

学校读者我要写书评

暂无评论

A TiSe2-Graphite Dual Ion Battery: Fast Na-Ion Insertion and Excellent Stability

引用

Angewandte Chemie 2021年第34期133卷

作者： Runtian Zheng Haoxiang Yu Xikun Zhang Yang Ding Maoting Xia Dr. Kangzhe Cao Prof. Jie Shu Prof. Alexandru Vlad Prof. Bao-Lian Su School of Materials Science and Chemical Engineering Ningbo University Ningbo 315211 Zhejiang China Laboratory of Inorganic Materials Chemistry (CMI) University of Namur 61 rue de Bruxelles 5000 Namur Belgium State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan 430070 Hubei China Henan Province Key Laboratory of Utilization of Non-Metallic Mineral in the South of Henan Xinyang Normal University Xinyang 464000 Henan China Institute of Condensed Matter and Nanosciences Université Catholique de Louvain Place Louis Pasteur 1L4.01.02 1348 Louvain-la-Neuve Belgium

The sodium dual ion battery (Na-DIB) technology is proposed as highly promising alternative over lithium-ion batteries for the stationary electrochemical energy-storage devices. However, the sluggish reaction kinetics of anode materials seriously impedes their practical implementation. Herein, a Na-DIB based on TiSe 2 -graphite is reported. The high diffusion coefficient of Na-ions (3.21×10 −11 –1.20×10 −9 cm 2 s −1 ) and the very low Na-ion diffusion barrier (0.50 eV) lead to very fast electrode kinetics, alike in conventional surface capacitive storage systems. In-situ investigations reveal that the fast Na-ion diffusion involves four insertion stage compositions. A prototype cell shows a reversible capacity of 81.8 mAh g −1 at current density of 100 mA g −1 , excellent stability with 83.52 % capacity retention over 200 cycles and excellent rate performance, suggesting its potential for next-generation large scale high-performance stationary energy storage systems.

关键词： dual-ion batteries graphite cathodes reaction mechanisms sodium TiSe2

来源：评论

学校读者我要写书评

暂无评论

Graphene Foams: A Bubble‐Derived Strategy to Prepare Multiple Graphene‐Based Porous materials (Adv. Funct. Mater. 23/2018)

引用

advanced Functional materials 2018年第23期28卷

作者： Rujing Zhang Ruirui Hu Xinming Li Zhen Zhen Zhenhua Xu Na Li Limin He Hongwei Zhu Aviation Key Laboratory of Science and Technology on Advanced Corrosion and Protection for Aviation Material Department 5 P.O. Box 81‐5 AECC Beijing Institute of Aeronautical Materials Beijing 100095 China State Key Lab of New Ceramics and Fine Processing School of Materials Science and Engineering and Center for Nano and Micro Mechanics Tsinghua University Beijing 100084 China International Center for Materials Nanoarchitectonics (WPI‐MANA) National Institute for Materials Science (NIMS) 1‐1 Namiki Tsukuba Ibaraki 305‐0044 Japan

来源：评论

学校读者我要写书评

暂无评论

Mixed Matrix Membrane with Penetrating Subnanochannels: A Versatile Nanofluidic Platform for Selective Metal Ion Conduction

引用

Angewandte Chemie 2022年第2期135卷

作者： Chen Li Prof. Yanan Jiang Zihan Wu Youcai Zhang Cheng Huang Sha Cheng Prof. Ya You Prof. Pengchao Zhang Prof. Wen Chen Prof. Lanqun Mao Prof. Lei Jiang State Key Laboratory of Advanced Technology for Materials Synthesis and Processing School of Materials Science and Engineering Wuhan University of Technology Wuhan 430070 P. R. China College of Chemistry Beijing Normal University Beijing 100875 P. R. China Sanya Science and Education Innovation Park Wuhan University of Technology Sanya 572024 P. R. China Hubei Longzhong Laboratory Xiangyang 441000 P. R. China CAS Key Laboratory of Bio-inspired Materials and Interfacial Science Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China

Biological ion channels penetrated through cell membrane form unique transport pathways for selective ionic conductance. Replicating the success of ion selectivity with mixed matrix membranes (MMMs) will enable new separation technologies but remains challenging. Herein, we report a soft substrate-assisted solution casting method to develop MMMs with penetrating subnanochannels for selective metal ion conduction. The MMMs are composed of penetrating Prussian white (PW) microcubes with subnanochannels in dense polyimide (PI) matrices, achieving selective monovalent metal ion conduction. The ion selectivity of K + /Mg 2+ is up to 14.0, and the ion conductance of K + can reach 45.5 μS with the testing diameter of 5 mm, which can be further improved by increasing the testing area. Given the diversity of nanoporous materials and polymer matrices, we expect that the MMMs with penetrating subnanochannels could be developed into a versatile nanofluidic platform for various emerging applications.

关键词： Ion Conduction Ion Selectivity Mixed Matrix Membrane PW Microcubes

来源：评论

学校读者我要写书评

暂无评论

Frontispiz: A TiSe2-Graphite Dual Ion Battery: Fast Na-Ion Insertion and Excellent Stability

引用

Angewandte Chemie 2021年第34期133卷

来源：评论

学校读者我要写书评

暂无评论

Comprehensive H2O Molecules Regulation via Deep Eutectic Solvents for Ultra-Stable Zinc Metal Anode

引用

Angewandte Chemie 2022年第8期135卷

作者： Ming Li Dr. Xuanpeng Wang Jisong Hu Jiexin Zhu Prof. Chaojiang Niu Dr. Huazhang Zhang Cong Li Buke Wu Prof. Chunhua Han Prof. Liqiang Mai State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Hubei Wuhan 430070 China Department of Physical Science & Technology School of Science Wuhan University of Technology Wuhan 430070 China Hubei Longzhong Laboratory Xiangyang Hubei 441000 China School of Optical and Electronic Information Huazhong University of Science and Technology Wuhan 430074 China School of Materials Science and Engineering Zhengzhou University Zhengzhou 450001 China Department of Mechanical and Energy Engineering Southern University of Science and Technology Shenzhen 518055 China Contribution: Conceptualization (lead) Funding acquisition (lead) Writing - original draft (equal) Writing - review & editing (equal)

The corrosion, parasitic reactions, and aggravated dendrite growth severely restrict development of aqueous Zn metal batteries. Here, we report a novel strategy to break the hydrogen bond network between water molecules and construct the Zn(TFSI) 2 -sulfolane-H 2 O deep eutectic solvents. This strategy cuts off the transfer of protons/hydroxides and inhibits the activity of H 2 O, as reflected in a much lower freezing point (<−80 °C), a significantly larger electrochemical stable window (>3 V), and suppressed evaporative water from electrolytes. Stable Zn plating/stripping for over 9600 h was obtained. Based on experimental characterizations and theoretical simulations, it has been proved that sulfolane can effectively regulate solvation shell and simultaneously build the multifunctional Zn-electrolyte interface. Moreover, the multi-layer homemade modular cell and 1.32 Ah pouch cell further confirm its prospect for practical application.

关键词： Aqueous Zn Metal Batteries Deep Eutectic Solvents H2O Molecules Regulation Hydrogen Bond Reconfiguration Solvation Shell

来源：评论

学校读者我要写书评

暂无评论

Frontispiece: Interfacially Ordered NiCoMoS Nanosheets Arrays on Hierarchical Ti3C2TxMXene for High-Energy-Density Fiber-Shaped Supercapacitors with Accelerated Pseudocapacitive Kinetics

引用

Angewandte Chemie International Edition 2024年第36期63卷

作者： Xiaotong Mei Dr. Chao Yang Fangyuan Chen Yuting Wang Dr. Yang Zhang Dr. Zengming Man Prof. Wangyang Lu Prof. Jianhong Xu Prof. Guan Wu National Engineering Lab for Textile Fiber Materials and Processing Technology School of Materials Science and Engineering Zhejiang Sci-Tech University Hangzhou 310018 P. R. China Zhejiang Provincial Innovation Center of Advanced Textile Technology Shaoxing 312000 P. R. China The State Key Laboratory of Chemical Engineering Department of Chemical Engineering Tsinghua University Beijing 100084 P. R. China

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：