DataVXACS Applied Nano MaterialsPaper
journal article·2023-05-26

Polyaniline-Coated ZIF-67-Derived Co/C Nanostructures for Efficient Electromagnetic Wave Absorption

Guiyang Xian, Ximing Zhang, Zhaolin Zhu, Chongmei Wu, Yan Wang, Yongli Meng, Yin Liu, Zhenying Liu, Lingbing Kong

ACS Applied Nano Materials· Volume 6· Issue 10
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Source abstract

Abstract

Metal–organic frameworks (MOFs) have diverse structures, thus sparking strong research interest in the field of electromagnetic wave (EMW) absorption. In this work, zeolitic imidazolate framework-67 (ZIF-67) was hydrothermally synthesized and thermally annealed to form rhombic dodecahedral Co/C nanocomposites with desirable porous structures. Then, a layer of rod-shaped polyaniline was coated on the surface of the Co/C nanocomposites through in situ polymerization. The effect of the mass ratio of polyaniline to Co/C on the electromagnetic properties of the nanocomposites was studied. The sample Co/C@PANI-2 exhibited an optimal reflection loss of −67.67 dB and an effective absorption bandwidth of 5.02 GHz at a filling ratio of 50%. The rod-like polyaniline coating effectively enhanced the electromagnetic properties and impedance matching of the nanocomposites. This work provides a reference for the composite of MOF-derived nanomaterials and conducting polymers in EMW absorption studies.
Source: openalex_inverted_index · Quality: baseline

Research context

PolymersNanomaterialsComposites

OpenAlex topics: Electromagnetic wave absorption materials · Advanced Antenna and Metasurface Technologies · Metamaterials and Metasurfaces Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Materials Science and Engineering, Anhui University of Science and Technology, Huainan 232001, Anhui, China

State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines, Anhui University of Science and Technology, Huainan 232001, Anhui, China

Anhui International Joint Research Center for Nano Carbon-based Materials and Environmental Health, Anhui University of Science and Technology, Huainan 232001, Anhui, China

College of New Materials and New Energies, Shenzhen Technology University, Shenzhen 518118, Guangdong, China

Funding

Basic and Applied Basic Research Foundation of Guangdong Province · State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering, Ningxia University · State Key Laboratory of High Performance Ceramics and Superfine Microstructure · Anhui Provincial Key Research and Development Plan · General Projects of Shenzhen Stable Development · Foundation of Anhui International Joint Research Center for Nano Carbon-based Materials and Environmental Health · University Engineering Research Center of Crystal Growth and Applications of Guangdong Province

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