Journal
CHINESE PHYSICS LETTERS
Volume 37, Issue 4, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0256-307X/37/4/045201
Keywords
52; 70; Gw; 52; 70; Ds; 77; 84; Lf; 78; 20; Ci
Categories
Funding
- National Natural Science Foundation of China [51972077]
- Heilongjiang Touyan Innovation Team Program
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Carbon nanotube@polypyrrole (CNT@PPy) hybrids have been successfully fabricated via a simple in situ chemical oxidation polymerization. The thickness of the PPy shell can be finely controlled in the range of 3.0-6.4 nm. The dielectric loss of core-shell hybrids can be tuned by the shell thickness, resulting in a well-matched characteristic impedance that can enhance electromagnetic wave (EMW) absorption performance. Minimum reflection loss of the hybrid with moderate PPy shell thickness can reach -51.4 dB at 11.8 GHz with a matching thickness of merely 2 mm. Furthermore, the minimum reflection loss values of the hybrid are below -30 dB even at thickness in the range of 1.4-1.9 mm, endowing the possibility of practical application of the hybrids in electromagnetic wave absorption field.
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