气凝胶
材料科学
保温
复合材料
煅烧
吸收(声学)
磁性
多孔性
化学工程
催化作用
有机化学
量子力学
物理
工程类
化学
图层(电子)
作者
Xin Li,Ruizhe Hu,Zhiqiang Xiong,Dan Wang,Zhixia Zhang,Chongbo Liu,Xiaojun Zeng,Dezhi Chen,Renchao Che,Xuliang Nie
出处
期刊:Nano-micro Letters
[Springer Science+Business Media]
日期:2023-12-04
卷期号:16 (1)
被引量:107
标识
DOI:10.1007/s40820-023-01255-7
摘要
Metal-organic gel (MOG) derived composites are promising multi-functional materials due to their alterable composition, identifiable chemical homogeneity, tunable shape, and porous structure. Herein, stable metal-organic hydrogels are prepared by regulating the complexation effect, solution polarity and curing speed. Meanwhile, collagen peptide is used to facilitate the fabrication of a porous aerogel with excellent physical properties as well as the homogeneous dispersion of magnetic particles during calcination. Subsequently, two kinds of heterometallic magnetic coupling systems are obtained through the application of Kirkendall effect. FeCo/nitrogen-doped carbon (NC) aerogel demonstrates an ultra-strong microwave absorption of - 85 dB at an ultra-low loading of 5%. After reducing the time taken by atom shifting, a FeCo/Fe
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