Lightweight Ti 2 CT x MXene/Poly(vinyl alcohol) Composite Foams for Electromagnetic Wave Shielding with Absorption-Dominated Feature
Northwestern Polytechnical University · City University of Hong Kong
Abstract
Lightweight absorption-dominated electromagnetic interference (EMI) shielding materials are more attractive than conventional reflection-dominated counterparts because they minimize the twice pollution of the reflected electromagnetic (EM) wave. Here, porous Ti2CTx MXene/poly(vinyl alcohol) composite foams constructed by few-layered Ti2CTx (f-Ti2CTx) MXene and poly(vinyl alcohol) (PVA) are fabricated via a facile freeze-drying method. As superior EMI shielding materials, their calculated specific shielding effectiveness reaches up to 5136 dB cm2 g–1 with an ultralow filler content of only 0.15 vol % and reflection effectiveness (SER) of less than 2 dB, representing the excellent absorption-dominated shielding…
Citation impact
- FWCI
- 25.89
- Percentile
- 100%
- References
- 63
Authors
7Topics & keywords
- Materials science
- Electromagnetic shielding
- Composite number
- Composite material
- Reflection loss
- Vinyl alcohol
- Porosity
- Polarization (electrochemistry)
- Affordable and clean energy