A Facile Synthesis of Novel Amorphous TiO₂ Nanorods Decorated rGO Hybrid Composites with Wide Band Microwave Absorption.

ABSTRACT: Amorphous structures may play important roles in achieving highly efficient microwave absorption performance due to the polarization losses induced by the disorders, vacancies and other functional groups existed in them. Herein, a kind of amorphous TiO₂/rGO composite (a-TiO₂/rGO) was successfully fabricated via a facile one-step solvothermal method. The complex permittivity of the composites can be regulated by adjusting the addition of precursor solution. The minimum reflection loss of a-TiO₂/rGO composites reached -42.8 dB at 8.72 GHz with a thickness of 3.25 mm, and the widest efficient absorption bandwidth (EAB) was up to 6.2 GHz (11.8 to 18 GHz) with a thickness of only 2.15 mm, which achieved the full absorption in Ku band (12 to 18 GHz). Furthermore,

SUBMITTER: Zhang H 

PROVIDER: S-EPMC7692450 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature