Regulatable Phase Manipulation-Enhanced Polarization and Conductance Loss Enabling Hierarchical 3D Microsphere-like MoS2 with Efficient Microwave Absorption

• DOI: 10.1021/acsami.3c09511
• Publication Date: 2023-10-25T18:43:29Z
• Authors: Zhi Song; Zicheng Xiang; Xiaoyan Sun; Panpan Zhou; Hong Wang; Yi Hou; Lixi Wang; Qitu Zhang

Molybdenum disulfide (MoS2) has become a new type of microwave absorption (MA) material due to the abundant functional groups and defects, high polarization effect, controllable structural design. However, development MoS2 been limited by its inherently low conductance losses imperfect impedance matching. This study employs ammonium ion (NH4+) intercalation as phase manipulation strategy enhance dielectric loss form heterogeneous structures incorporating highly conductive 1T into 2H-MoS2 crystal phase. Additionally, implementation CTAB soft template agent for constructing layered three-dimensional microsphere improves The experimental findings demonstrate that MA performance can be effectively regulated controlling content morphological structure It is worth noting A-MoS2-2 possesses excellent multifrequency capability. minimum reflection (RL) −53 dB at coating thickness 1.99 mm an effective bandwidth (EAB) 5.6 GHz thinner 1.77 mm. work properties introducing metallic phases unique design, which opens up ideas materials.