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Environment-Stable CoxNiy Encapsulation in Stacked Porous Carbon Nanosheets for Enhanced Microwave Absorption.

ABSTRACT: Magnetic/dielectric@porous carbon composites, derived from metal-organic frameworks (MOFs) with adjustable composition ratio, have attracted wide attention due to their unique magnetoelectric properties. In addition, MOFs-derived porous carbon-based materials can meet the needs of lightweight feature. This paper reports a simple process for synthesizing stacked CoxNiy@C nanosheets derived from CoxNiy-MOFs nanosheets with multiple interfaces, which is good to the microwave response. The CoxNiy@C with controllable composition can be obtained by adjusting the ratio of Co2+ and Ni2+. It is supposed that the increased Co content is benefit to the dielectric and magnetic loss. Additionally, the bandwidth of CoNi@C nanosheets can take up almost the whole Ku band. Moreover, this composite has better environmental stability in air, which characteristic provides a sustainable potential for the practical application.

SUBMITTER: Liang X 

PROVIDER: S-EPMC7770751 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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Environment-Stable Co<sub>x</sub>Ni<sub>y</sub> Encapsulation in Stacked Porous Carbon Nanosheets for Enhanced Microwave Absorption.

Liang Xiaohui X   Man Zengming Z   Quan Bin B   Zheng Jing J   Gu Weihua W   Zhang Zhu Z   Ji Guangbin G  

Nano-micro letters 20200428 1

Magnetic/dielectric@porous carbon composites, derived from metal-organic frameworks (MOFs) with adjustable composition ratio, have attracted wide attention due to their unique magnetoelectric properties. In addition, MOFs-derived porous carbon-based materials can meet the needs of lightweight feature. This paper reports a simple process for synthesizing stacked Co<sub>x</sub>Ni<sub>y</sub>@C nanosheets derived from Co<sub>x</sub>Ni<sub>y</sub>-MOFs nanosheets with multiple interfaces, which is g  ...[more]

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