DataVXBulletin of Materials SciencePaper
journal article·2019-02

Synthesis, UV-shielding and electromagnetic wave absorbing properties of polyvinylpyrrolidone- $$\hbox {TiO}2$$ TiO 2 /polyacrylonitrile- $$\hbox {SiO}2$$ SiO 2 nanofibre nanocomposites

Omolfajr Nakhaei, Nasser Shahtahmassebi, Mahmood Rezaee Roknabadi, Mohammad Behdani

Bulletin of Materials Science· Volume 42· Issue 1
Publisher page
Source abstract

Abstract

This paper reports electromagnetic interference (EMI) shielding effectiveness (SE) and UV-shielding performance of polyvinylpyrrolidone (PVP)–(hbox {TiO}2)/polyacrylonitrile (PAN)–(hbox {SiO}2) nanofibre nanocomposites synthesized via the single nozzle co-electrospinning method. Herein, three samples with different average diameters were fabricated using 0.3, 0.4 and 0.5 ml h(-1) flow rates during the electrospinning process. Morphological characterization confirmed that a core–shell structure of nanofibre nanocomposites was formed successfully. The EMI SE of the as-prepared nanofibre nanocomposites was studied using a vector network analyser over the full X-band (8–12 GHz) frequency at room temperature. The experimental results demonstrate excellent microwave absorption properties for all samples. PVP–(hbox {TiO}2)/PAN–(hbox {SiO}2) nanofibres with 596.67 nm average diameter show maximum total EMI (110 dB at about 9 GHz) and 98% UV-shielding performance.
Source: expertdata · Quality: candidate unverified · Source record ↗

Research context

Nanomaterials

OpenAlex topics: Electromagnetic wave absorption materials · Advanced Antenna and Metasurface Technologies · Dielectric materials and actuators

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

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