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Bifunctional Two-Dimensional Nanocomposite with Electromagnetic Wave Absorption and Anti-bacterial Performance
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作者 Jiacheng Shen Xinrui Zhang +7 位作者 Chunguang Yang Zixuan Lei Shuaizhen Li Lin Ma Dianyu Geng Song Ma Wei Liu Zhidong Zhang 《Acta Metallurgica Sinica(English Letters)》 SCIE EI CAS CSCD 2023年第9期1559-1571,共13页
In current electronic information era,the complex application circumstance of 5G devices pursues the exploration of multi-functional electromagnetic wave(EMW)absorbent materials and it has become the crucial focus in ... In current electronic information era,the complex application circumstance of 5G devices pursues the exploration of multi-functional electromagnetic wave(EMW)absorbent materials and it has become the crucial focus in industrial development.A two-dimensional(2D)graphite nanosheet decorated by nickel nanocapsules(2D graphite/Ni@C nanocomposite)was fabricated to possess the EMW absorption and the Escherichia coli(E.coli)anti-bacterial performance simultaneously.By adjusting the filling ratio and injecting nitrogen doping,the value of minimum reflection loss is−36.08 dB and the effective absorption bandwidth reaches to 5.12 GHz(from 11.4 to 16.52 GHz)with the mass ratio of 30 wt%and the absorber thickness of 2 mm.This 2D nanocomposite simultaneously gets an excellent anti-bacterial function expressing an E.coli anti-bacterial rate of 92%during 24 h which is significantly correlated to the interaction between the nanostructure of the 2D nanographite and the nickel ion released from Ni@C nanocapsules.This work provides a new approach to develop a promising 2D anti-bacterial EMW absorber. 展开更多
关键词 Bifunctional electromagnetic wave absorbent material Nickel-based two-dimensional nanocomposite E.coli anti-bacterial performance
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