Results 81 to 90 of about 15,608 (181)

Polydopamine‐Mediated Silver and Nickel Metallization of Phase Change Microcapsules for Multifunctional Flexible Epoxy Composites

Journal of Applied Polymer Science, EarlyView.
An eco‐friendly, polydopamine‐assisted electroless metallization of phase change microcapsules enables thin silver or nickel coatings that preserve phase‐change functionality and while enhancing thermal diffusivity and thermomechanical performance in flexible epoxy composites.
Giulia Fredi, Sascha Putzke, Christina Scheffler, Cordelia Zimmerer   +3 more
wiley   +1 more source

3D Printing of Periodic Porous Metamaterials for Tunable Electromagnetic Shielding Across Broad Frequencies

Nano-Micro Letters
Highlights The stable periodic porous shielding materials were prepared by combining the strategies of 3D printing and metamaterial design. The relationship between porous material structure and electromagnetic interference shielding efficiency (EMI SE ...
Qinniu Lv, Zilin Peng, Haoran Pei, Xinxing Zhang, Yinghong Chen, Huarong Zhang, Xu Zhu, Shulong Wu   +7 more
doaj   +1 more source

Nanocellulose‐MXene Biomimetic Aerogels with Orientation‐Tunable Electromagnetic Interference Shielding Performance

Advanced Science, 2020
Designing lightweight nanostructured aerogels for high‐performance electromagnetic interference (EMI) shielding is crucial yet challenging. Ultrathin cellulose nanofibrils (CNFs) are employed for assisting in building ultralow‐density, robust, and highly
Zhihui Zeng, Changxian Wang, Gilberto Siqueira, Daxin Han, Anja Huch, Sina Abdolhosseinzadeh, Jakob Heier, Frank Nüesch, Chuanfang (John) Zhang, Gustav Nyström   +9 more
doaj   +1 more source

Digital Rights Activism in Multilevel Governance

European Policy Analysis, EarlyView.
ABSTRACT Multilevel governance (MLG) without a clear hierarchical structure can create power imbalances among various actors, particularly in settings with overlapping jurisdictions and policy areas. This dynamic is especially pronounced in Internet governance, which faces a complex interplay of domestic laws, state interdependence, and heightened ...
Alison Harcourt
wiley   +1 more source

Recent Advances in Conductive Rubber Composites: Progress, Challenges, and Emerging Opportunities

Macromolecular Rapid Communications, EarlyView.
This study reviews the recent advances in conductive rubber composites, focusing on key aspects such as material selection, conductive mechanisms, interfacial engineering, processing methods, vulcanization strategies, and practical applications. It also discusses current challenges and highlights emerging directions that are shaping the development of ...
Lu Yin, Ali Vahidifar, Steven Yu, Boxin Zhao   +3 more
wiley   +1 more source

A Smart Amorphous Wire Composite with Tunable Electromagnetic Shielding

Small Structures
Nowadays, in view of the increasingly serious problems of electromagnetic interference (EMI) and radiation pollution, smart EMI shielding materials with tunable shielding effectiveness (SE), especially “On/Off” switchable capability, are highly desirable.
Xiao Dai, Jia Zhou, Zenan Ma, Jiali Chen, Bin Shen, Chunyang Mu, Aina He, Yaqiang Dong, Qikui Man, Jiawei Li   +9 more
doaj   +1 more source

In Situ MOF Pyrolysis Construction of Hierarchical Porous Co‐Nanoparticles/Carbon Cloth Composites for Enhanced Electromagnetic Wave Shielding and Absorption

Rare Metals, EarlyView.
ABSTRACT The development of high‐performance electromagnetic protection materials integrating broadband absorption and effective shielding capabilities is hindered by challenges in simultaneously optimizing multiple electromagnetic properties through conventional material designs.
Changlong Du, Lei Yu, Jieping Wang, Sichun Xiong, Pengpeng Mou, Lianrui Li, Zhi Nie, Gengping Wan, Jianguo Wen, Guizhen Wang   +9 more
wiley   +1 more source

Room-temperature production of silver-nanofiber film for large-area, transparent and flexible surface electromagnetic interference shielding

npj Flexible Electronics, 2019
A kind of pollution known as electromagnetic interference (EMI), which results from ubiquitous usage of various electronic communication and military radar equipment, has been receiving increasing attention recently.
Sen Lin, Haiyang Wang, Fan Wu, Qingmin Wang, Xiaopeng Bai, Di Zu, Jianan Song, Dong Wang, Zhenglian Liu, Ziwei Li, Nian Tao, Kai Huang, Ming Lei, Bo Li, Hui Wu   +14 more
doaj   +1 more source

MXene‐Based Electromagnetic Attenuation Materials in Microwave and Terahertz Bands

Rare Metals, EarlyView.
ABSTRACT MXenes exhibit considerable potential for developing high‐performance electromagnetic (EM) shielding and absorption materials operating across microwave and terahertz frequencies, due to their tunable surface chemistry and exceptional charge carrier transport properties.
Guozheng Zhang, Sitong Li, Libo Chang, Zelin Zhao, Tianze Zhang, Si Chen, Xuehang Wang, Zhe Wu, Tianpeng Ding, Xu Xiao   +9 more
wiley   +1 more source

Opportunities and Challenges of Biomass-based Electromagnetic Shielding Materials

BioResources
Biomass with its abundance, renewability, and processability has been extensively studied and utilized for developing electromagnetic interference (EMI) shielding materials as an alternative to non-renewable metal-based EMI shielding materials.
Jinlong Zhang, Shiyu Fu
doaj