Activated carbon derived from mango leaves as an enhanced microwave absorbing material
2021
Abstract Microwave absorbing materials have become an important component in electronics, communication, and modern warfare. The present study reports porous activated carbon derived from mango leaves biomass and by facile method of carbonization and activation. The porous activated carbon has the potential to become an efficient microwave absorbing material. The SEM and FESEM images clearly showed the porous structure which was further confirmed using BET analysis. The sample having 20 wt% loading of activated carbon in paraffin wax gave the Highest Reflection Loss (RLmax) of −23.26 dB at 17.68 GHz & 1.50 mm thickness. The maximum effective absorption band width (i.e. reflection loss
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