Abstract
Carbon-based materials generated from metal-organic frameworks (MOFs) are the best microwave absorbing materials. In this study, ZIF-67/MIL-125 was prepared by solvothermal method, and TiO2/Co/C composite structures derived from bimetallic MOFs were successfully synthesized by pyrolysis. Three MOF precursors were synthesized by adjusting the concentration of the Co component. Then, the graphitization degree was optimized by adjusting the calcination temperature to explore the influence of the multi-component synergistic effect on the electromagnetic wave absorption properties. The results show that TC7-2 has the best microwave absorption properties. The effective absorption bandwidth (EAB) of TC7-2 was 5.41 GHz at a thickness of 1.9 mm with a filler amount of 30 wt%.This study presents a simple and efficient method for the developing and producing of electromagnetic wave absorbing materials using MOFs derived materials.
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