以Porifera为灵感的轻量级,薄型,抗,多功能MXene泡
Fei Pan1, Yuyang Shi1, Yang Yang1
1Shanghai Key Lab. of D&A for Metal-Functional Materials, School of Materials Science & Engineering, Tongji University, Shanghai, 201804, P.R. China.
Advanced materials (Deerfield Beach, Fla.)
|December 26, 2023
概括
研究人员开发了轻量级,灵活的MXene/减少氧化石墨烯/Ag泡,用于可穿戴的电磁干扰 (EMI) 屏蔽. 这些层次性多孔材料提供了出色的EMI屏蔽效果和多功能性,为先进的防干扰设备铺平了道路.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术纳米技术
- 电磁学 电磁学 电磁学 电磁学
背景情况:
- 过渡金属碳化物/化物 (MXenes) 显示出对轻量级,多功能可穿戴电磁干扰 (EMI) 屏蔽的承诺.
- 开发基于MXene的宏观结构,同时具有低密度,高灵活性和高EMI屏蔽效率,仍然是一个挑战.
研究的目的:
- 用于制备具有层级多孔微观结构的超薄MXene/减少氧化石墨烯 (rGO) /Ag泡.
- 为了在轻量级,灵活的材料中实现出色的EMI屏蔽性能和机械性能.
主要方法:
- 利用Zn2+扩散诱导和硬模板方法来创建受 porifera 启发的等级性多孔性.
- 在泡结构中加入了超薄的MXene,rGO和银 (Ag) 纳米片.
主要成果:
- 实现了 109152.4 dB cm2/g 的特定表面屏蔽效率.
- 层次的多孔性通过多波反射增强了机械灵活性和EMI屏蔽.
- 展示了多功能功能,包括朱尔加热,隔热,自清洁,耐火和运动检测.
结论:
- 开发了一种简单可扩展的方法来生产基于MXene的先进材料.
- 新型泡为轻量级,可穿戴的电磁防干扰设备提供了有前途的途径,具有增强的性能和增加的功能.
相关概念视频
Molecular Weight of Step-Growth Polymers
2.2K
Step growth polymerization involves bi or multifunctional monomers. Bifunctional monomers react to form linear step growth polymers, whereas multifunctional monomers react to form non-linear or branched polymers.
As the step-growth polymerization involves step-wise condensation of monomers, the molecular weight also builds up eventually. Consequently, high molecular weight polymers are obtained at the late stages of the polymerization, where 99% of monomers have been consumed.
The extent of the...
As the step-growth polymerization involves step-wise condensation of monomers, the molecular weight also builds up eventually. Consequently, high molecular weight polymers are obtained at the late stages of the polymerization, where 99% of monomers have been consumed.
The extent of the...
2.2K
Ferrocement
181
Ferro-cement is a distinctive construction material that represents an innovative variant of reinforced concrete, characterized by its unique composition and the method by which it is formed. Unlike standard reinforced concrete, which relies on larger steel bars for reinforcement, ferro-cement utilizes densely packed layers of mesh or fine rods, fully encased in cement mortar. This composition allows for the creation of structures that are significantly thinner and more flexible than their...
181


