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Updated: Dec 23, 2025
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Carbonized zeolitic imidazolate framework-67/polypyrrole: A magnetic-dielectric interface for enhanced microwave
Sajid Ur Rehman1, Mingze Sun1, Mingsheng Xu1
1School of Chemistry and Chemical Engineering, Anhui University, Hefei 230601, PR China.
Abstract:
Due to the high electromagnetic interference (EMI) pollution, electromagnetic wave (EMW) absorption materials have risen as an important research area in material science and technology. Herein, the prepared carbonized ZIF-67 (CZIF) nanocomposites with polypyrrole (PPy) showed significantly enhanced electromagnetic wave absorption performance. The CZIF-PPy nanocomposites were prepared by the solvothermal and in-situ polymerization method. The CZIF-PPy nanocomposites possess a decent reflection loss (RL) value between the 2-18 GHz frequency range. The enhanced surface properties and magnetic-dielectric interfacial polarization plays an important role to achieve higher reflection loss and broader absorption bandwidth. This work explains the importance of magnetic-dielectric interface and may lead to design of more advanced hybrid electromagnetic wave absorption systems.
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