Enhancement of microwave absorption bandwidth of MXene nanocomposites through macroscopic design: RL bandwidth of MXene nanocomposites

Pritom J. Bora, T. R. Suresh Kumar, Daniel Q. Tan*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

MXene, the new family of two-dimensional materials having numerous nanoscale layers, is being considered as a novel microwave absorption material. However, MXene/functionalized MXene-loaded polymer nanocomposites exhibit narrow reflection loss (RL) bandwidth (RL less than or equal to-10 dB). In order to enhance the microwave absorption bandwidth of MXene hybrid-matrix materials, for the first time, macroscopic design approach is carried out for TiO 2-Ti 3 C 2 T x MXene and Fe 3 O 4 @TiO 2-Ti 3 C 2 T x MXene hybrids through simulation. The simulated results indicate that use of pyramidal meta structure of MXene can significantly tune the RL bandwidth. For optimized MXene hybrid-matrix materials pyramid pattern, the bandwidth enhances to 3-18 GHz. Experimental RL value well matched with the simulated RL. On the other hand, the optimized Fe 3 O 4 @TiO 2-Ti 3 C 2 T x hybrid exhibits two specific absorption bandwidths (minimum RL value-47 dB). Compared with other two-dimensional nanocomposites such as graphene or Fe 3 O 4-graphene, MXene hybrid-matrix materials show better microwave absorption bandwidth in macroscopic pattern.

Original languageEnglish
Article number200456
JournalRoyal Society Open Science
Volume7
Issue number8
DOIs
StatePublished - 1 Aug 2020

Keywords

  • MXene
  • MXene nanocomposites
  • macroscopic design
  • reflection loss

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