Graphene Oxide-Assisted Multiple Cross-Linking of MXene for Large-Area, High- Strength, Oxidation-Resistant, and Multifunctional Films

Bin Li; Na Wu; Yunfei YangFei PanChangxian WangGang WangLong XiaoWei LiuJiurong LiuZhihui Zeng

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Graphene Oxide-Assisted Multiple Cross-Linking of MXene for Large-Area, High- Strength, Oxidation-Resistant, and Multifunctional Films

机译：Graphene Oxide-Assisted Multiple Cross-Linking of MXene for Large-Area, High- Strength, Oxidation-Resistant, and Multifunctional Films

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Transition metal carbides/nitrides (MXenes) with metallic electrical conductivityand excellent processability attract increasing attention for assemblingmultifunctional macrostructures. However, the challenges, involvingpoor mechanical strength, inferior oxidation stability, and limited scalablemanufacturing, impede their wide applications. Herein, the large-area,high-strength, ultra-flexible hybrid films are developed through the multiplephysical and chemical cross-linking of MXene/cellulose films facilitated bygraphene oxide. The MXene-based films manifest significantly improvedhydrophobicity, water/solvent resistance, and oxidation stability, and meanwhile,maintain excellent conductivity and electromagnetic interferenceshielding performance. The X-band surface-specific shielding effectiveness(SE) of 18,837.5 dB cm~2 g~(?1) and an SE over 60 dB in an ultra-broadbandfrequency range are achieved, comparable to the best shields ever reported.Furthermore, the wearable films demonstrate excellent photothermal antibacterialand electrothermal deicing applications. Thus, such high-performanceMXene-based films developed through a facile and scalable manufacturingmethod have substantial application prospects in flexible electronics,thermotherapy, electromagnetic compatibility, and aerospace.

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《Advanced functional materials》 |2023年第11期|2213357.1-2213357.11|共11页
作者
Bin Li; Na Wu; Yunfei YangFei PanChangxian WangGang WangLong XiaoWei LiuJiurong LiuZhihui Zeng;
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Key Laboratory for Liquid-Solid Structural Evolutionand Processing of MaterialsMinistry of Education and School of Materials Scienceand EngineeringShandong UniversityJinan 250061, P. R. China;

Department of Chemistry and Applied BiosciencesETH ZurichCH-8093 Zurich, Switzerland;

Department of ChemistryUniversity of BaselCH-4058 Basel, SwitzerlandSchool of Materials Science and EngineeringNanyang Technological UniversitySingapore 639798, SingaporeDepartment of Electrical and Computer EngineeringBeckman Institute for Advanced Science and TechnologyUniversity of Illinois at Urbana-ChampaignUrbana, IL 61801, USAScience and Technology on Electromagnetic Compatibility LaboratoryChina Ship Development and Design CentreWuhan 430064, P. R. ChinaState Key Laboratory of Crystal MaterialsInstitute of Crystal MaterialsShandong UniversityJinan 250100, P. R. China Shenzhen Research Institute of Shandong UniversityShandong UniversityShenzhen 518057, P. R. China;

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celluloses; cross-linking; electromagnetic interferences; multifunctionality; Mxenes;

Graphene Oxide-Assisted Multiple Cross-Linking of MXene for Large-Area, High- Strength, Oxidation-Resistant, and Multifunctional Films

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