Atomic‐Molecular Engineering Tailoring Graphene Microlaminates to Tune Multifunctional Antennas
Jin‐Cheng Shu, Mao‐Sheng Cao, Yan‐Lan Zhang, Yuze Wang, Quanliang Zhao, Xiao‐Yong Fang, Shuhui Yang, Yong Qin, Jie Yuan
Abstract
Abstract Atomic‐molecular engineering is an effective way to accurately tailor the microstructures and components of materials at the micro‐nano scale, which can be applied to flexibly manipulate their electromagnetic (EM) response. Herein, graphene microlaminates with multi‐layer structure are fabricated by atomic cluster engineering and oxidative molecular layer deposition for the first time. The microlaminates enable a tunable EM loss (from 0.93 to 3.94 for imaginary permittivity and from 0.17 to 0.25 for imaginary permeability) by changing poly(3,4‐ethylenedioxythiophene) cycles, and the attenuation constant reaches 160. On this basis, multifunctional antennas are conceived, achieving frequency‐selective response that enables steady harvest of > 90% of EM energy from signal source, and tactfully recycling waste heat energy and mechanical energy. This study will furnish a new horizon for information transmission and artificial intelligence in the future.