MOF-on-MOF衍生策略制备蛋黄-壳结构CoNi@NC-Co@NC多组分纳米复合材料用于微波吸收和防腐

doi:10.1016/j.actphy.2026.100397

物理化学学报

MOF-on-MOF衍生策略制备蛋黄-壳结构CoNi@NC-Co@NC多组分纳米复合材料用于微波吸收和防腐

梁启芹¹, 许倍嘉¹, 肖俊雄¹, 刘树成¹, 阚绪材², 张振乾³, 罗驹华⁴, 李海丰⁵, 兰迪⁵, 祁小四¹

1 贵州大学物理学院, 贵州贵阳 550025;
2 安徽大学物理与材料科学学院, 安徽合肥 230601;
3 杭州电子科技大学浙江省先进电机能量转换材料重点实验室, 浙江杭州 310012;
4 盐城工学院材料科学与工程学院, 江苏盐城 224051;
5 湖北汽车工业学院汽车材料学院, 湖北十堰 442002

收稿日期:2026-06-16 修回日期:2026-08-02 录用日期:2026-08-13
通讯作者: 刘树成, 罗驹华, 祁小四 E-mail:scliu@gzu.edu.cn;ljh@ycit.edu.cn;xsqi@gzu.edu.cn
基金资助:
本研究得到了贵州省基础研究计划(自然科学) (ZD[2025]重点 086)、贵州省研究生科研基金项目(025YJSKYJJ035)、贵州省科技平台及人才团队计划(GCC[2023]007)、贵州大学创新群体([2024]08)、安徽省磁性功能材料与器件重点实验室(MFMD-2025-02)以及贵州省重大科技专项(XKBF[2025]010)的资助。

MOF-on-MOF derived strategy to produce yolk-shell CoNi@NC-Co@NC multicomponent nanocomposites for microwave absorption and corrosion resistance

Qiqin Liang¹, Beijia Xu¹, Junxiong Xiao¹, Shucheng Liu¹, Xuncai Kan², Zhenqian Zhang³, Juhua Luo⁴, Haifeng Li⁵, Di Lan⁵, Xiaosi Qi¹

1 College of Physics, Guizhou University, Guiyang 550025, Guizhou Province, China;
2 School of Physics and Materials Science, Anhui University, Hefei 230601, Anhui Province, China;
3 Zhejiang Key Laboratory of Energy Conversion Materials for Advanced Motor, Hangzhou Dianzi University, Hangzhou 310012, Zhejiang Province, China;
4 School of Materials Science and Engineering, Yancheng Institute of Technology, Yancheng 224051, Jiangsu Province, China;
5 School of Automotive Materials, Hubei University of Automotive Technology, Shiyan 442002, Hubei Province, China

Received:2026-06-16 Revised:2026-08-02 Accepted:2026-08-13
Contact: Shucheng Liu, Juhua Luo, Xiaosi Qi E-mail:scliu@gzu.edu.cn;ljh@ycit.edu.cn;xsqi@gzu.edu.cn

1. ACTPHY-D-26-00407-SI.pdf(1379KB)

摘要/Abstract

摘要： 构建具有丰富异质界面的蛋黄-壳结构多组分纳米复合材料(MCNCs)是实现高效微波吸收与多功能应用协同优化的有效策略。本文提出一种基于金属有机框架(MOF)衍生策略，制备出蛋黄-壳结构的CoNi@氮掺杂碳(NC)-Co@NC MCNCs。通过控制热处理温度，采用简易共沉淀法结合热处理工艺，成功设计并制备了具有不同石墨化程度的CoNi@NC-Co@NC MCNCs，实现了电磁参数的可调性及微波吸收性能(MAPs)的显著提升。其中，优化后的CoNi@NC-Co@NC MCNCs展现出优异的MAPs：在1.75 mm厚度下最小反射损耗达-62.17 dB，1.69 mm厚度时有效吸收带宽为4.60 GHz，雷达散射截面为-50.86 dB m²。更重要的是，生成的NC层作为保护屏障可钝化磁性金属纳米颗粒的氧化，使CoNi@NC-Co@NC MCNCs在高湿高盐环境中具有卓越的耐腐蚀性能。本研究为制备基于蛋黄-壳NC结构的磁性MCNCs提供了新路径，同时实现了MAPs与耐腐蚀性能的协同优化。

关键词: MOF-on-MOF衍生策略, 蛋黄-壳结构, CoNi@NC-Co@NC, 微波吸收, 耐腐蚀性

Abstract: Constructing yolk-shell structured multicomponent nanocomposites (MCNCs) with abundant heterointerfaces is an effective strategy to simultaneously achieve high-efficiency microwave absorption and multifunctional applications. Herein, a metal-organic frameworks (MOF)-on-MOF derived strategy is proposed to produce yolk-shell structured CoNi@nitrogen-doped carbon (NC)-Co@NC MCNCs. By controlling the heat treatment temperature, CoNi@NC-Co@NC MCNCs with various graphitization degree are well-designed and produced by a simple co-precipitation route and heat treatment, which result in the tunable electromagnetic parameters and improved microwave absorption performances (MAPs). Amongst, the optimized CoNi@NC-Co@NC MCNCs exhibit the excellent MAPs, which achieve a minimum reflection loss of −62.17 dB at 1.75 mm, an effective absorption bandwidth of 4.60 GHz at 1.69 mm, and Radar Cross section of -50.86 dB m². More importantly, the generated NC layer provides a protective barrier to passivate the oxidation of magnetic metal nanoparticles, thereby endowing CoNi@NC-Co@NC MCNCs with outstanding corrosion resistance performance in high-humidity and high-salinity environments. Overall, this work provides an alternative route for the production of yolk-shell NC-based magnetic MCNCs, which simultaneously achieves the synergistic optimization of MAPs and corrosion resistance performance.

Key words: MOF-on-MOF derived strategy, Yolk-shell structure, CoNi@NC-Co@NC, Microwave absorption, Corrosion resistance

梁启芹, 许倍嘉, 肖俊雄, 刘树成, 阚绪材, 张振乾, 罗驹华, 李海丰, 兰迪, 祁小四. MOF-on-MOF衍生策略制备蛋黄-壳结构CoNi@NC-Co@NC多组分纳米复合材料用于微波吸收和防腐[J]. 物理化学学报 2026, (), 100397. doi: 10.1016/j.actphy.2026.100397

Qiqin Liang, Beijia Xu, Junxiong Xiao, Shucheng Liu, Xuncai Kan, Zhenqian Zhang, Juhua Luo, Haifeng Li, Di Lan, Xiaosi Qi. MOF-on-MOF derived strategy to produce yolk-shell CoNi@NC-Co@NC multicomponent nanocomposites for microwave absorption and corrosion resistance[J]. Acta Phys. -Chim. Sin. 2026, (), 100397. doi: 10.1016/j.actphy.2026.100397

链接本文: https://www.whxb.pku.edu.cn/CN/10.1016/j.actphy.2026.100397

https://www.whxb.pku.edu.cn/CN/Y2026/V/I/100397

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