Dielectric properties of poly(4-vinylphenol) with embedded PbO nanoparticles

Woo Je Han, Hong Sub Lee, Uzma K.H. Bangi, Byungwook Yoo, Hyung-Ho Park

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

An organic/inorganic nanocomposite film was synthesized using poly(4-vinylphenol) (PVPh) as an organic insulating polymer and PbO nanoparticles as a high-k inorganic material to serve as an organic insulator with enhanced dielectric properties. PbO nanoparticles were dispersed into propylene glycol monomethyl ether acetate, and a solution of PbO/PVPh nanocomposite was prepared by adding a crosslinker. The PbO nanoparticle content within the PVPh polymer matrix was varied, and the effects of this variation upon the properties of the resulting nanocomposite films were studied, including the properties of surface morphology, surface bonding state and dielectric characteristic. The dielectric constant increased with increasing PbO content, reaching 9.2 at 1MHz and with dielectric loss below 0.09 for the PbO content of 6vol%. Furthermore, the leakage current increased to only 1.3×10-8Acm-1 at the highest nanoparticle loadings, compared to the 7.2×10-9 of pristine PVPh. The addition of PbO nanoparticles was found to effectively suppress the absorption of moisture on the surface of PbO/PVPh nanocomposite, although it also increased surface roughness, owing to the agglomeration and particulation of PVPh arising from an anchoring effect of the PbO nanoparticles.

Original languageEnglish
Pages (from-to)245-249
Number of pages5
JournalPolymers for Advanced Technologies
Volume27
Issue number2
DOIs
Publication statusPublished - 2016 Feb 1

Fingerprint

Dielectric properties
Nanoparticles
propylene glycol methyl ether
Nanocomposite films
Nanocomposites
Dielectric losses
Glycols
Polymer matrix
Leakage currents
Propylene
Surface morphology
poly(4-vinylphenol)
Ethers
Polymers
Acetates
Permittivity
Moisture
Agglomeration
Surface roughness

All Science Journal Classification (ASJC) codes

  • Polymers and Plastics

Cite this

Han, Woo Je ; Lee, Hong Sub ; Bangi, Uzma K.H. ; Yoo, Byungwook ; Park, Hyung-Ho. / Dielectric properties of poly(4-vinylphenol) with embedded PbO nanoparticles. In: Polymers for Advanced Technologies. 2016 ; Vol. 27, No. 2. pp. 245-249.
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Dielectric properties of poly(4-vinylphenol) with embedded PbO nanoparticles. / Han, Woo Je; Lee, Hong Sub; Bangi, Uzma K.H.; Yoo, Byungwook; Park, Hyung-Ho.

In: Polymers for Advanced Technologies, Vol. 27, No. 2, 01.02.2016, p. 245-249.

Research output: Contribution to journalArticle

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