Volume 6, Issue 3 (12-2017)                   2017, 6(3): 13-23 | Back to browse issues page

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Synthesis and characterization of triple layer nanostructure for microwave absorption in the Ku frequency range. Iranian Journal of Ceramic Science & Engineering 2017; 6 (3) :13-23
URL: http://ijcse.ir/article-1-531-en.html
Abstract:   (3928 Views)
In this research (PANI/CNT) core/shell nanocomposite were synthesized via in situ chemical oxidative seeding polymerization‚ the results of SEM indicated the structure of synthesized nanocomposite. TEM‚ FTIR‚ UV-Vis‚ XRD analyses of samples showed that this nanocomposite is decorated with (Ni‚ Co) oxide nanoparticles. The VSM test  of as prepared and annealed nanocomposite exhibited the saturated magnetization of 0.93‚ 1.96 emu/g, respectively; the coercivity values were also 26.5‚ 1200 Oe, respectively. The reflection loss characteristics of (Ni‚ Co) oxide- Pani- CNT core/shell nanocomposite were also investigated with a vector network analyzer‚ in the 12.4–18 GHz range (Ku band). The maximum absorption increases with enhancement of the  dispersed nanoparticles percent in polyurethane matrix from 1 to 10%. The value of the maximum reflection loss in the absorption samples with 1% and 10% of nanoparticles is  -3.84 dB at 15.80 GHz  and -7.3 dB at 17.5 GHZ, respectively.
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Type of Study: Research | Subject: Bioceramics
Received: 2018/03/17 | Accepted: 2018/03/17

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