articleAdvanced Functional MaterialsFeb 5, 2025Closed access

Controllable Construction of Hollow Ni/NiO@PPy Particles for Broadband and Highly Efficient Microwave Absorption

YPYaning PengXMXiangwei MengHWHaotian WeiLTLiting TaoZWZengxi Wei

Guangxi University

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Abstract

Abstract Microwave‐absorbing materials are widely used in electromagnetic protection and military stealth fields. Hollow structure materials, as efficient microwave absorbing materials, have garnered considerable attention, since they are beneficial to multiple reflection and enhance the attenuation loss of microwaves. Herein, a strategy is proposed to prepare hollow Ni/NiO@PPy particles using a water‐soluble template method combined with in situ polymerization process. The cuboid hollow Ni/NiO@PPy particles are constructed with Na 2 SO 4 as templates and then filled into epoxy resin to form composite films with excellent microwave absorption properties. The Ni/NiO@PPy composite film under optimal conditions…

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48
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16.17
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100%
References
77
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Authors

7

Topics & keywords

Topics
Keywords
  • Materials science
  • Microwave
  • Non-blocking I/O
  • Broadband
  • Absorption (acoustics)
  • Optoelectronics
  • Nanotechnology
  • Chemical engineering
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