Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 3, Issue 7, Pages 2184-2188Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am200492q
Keywords
barium titanate; hydroxylation; dielectric property; nanocomposites
Funding
- NSF of China [50977001]
- Ministry of Sciences and Technology of China [2010DFA51490]
- State Key Laboratory of Electrical Insulation and Power Equipment [EIPE09201]
- Scientific Research Foundation of Graduate School of Beijing University of Chemical Technology [09Ma014]
- Fundamental Research Funds for the Central Universities [06103012, 06103011]
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Dielectric properties of poly(vinylidene fluoride) (PVDF) based nanocomposites filled with surface hydroxylated BaTiO3 (h-BT) nanoparticles we:re reported. The h-BT fillers were prepared from crude BaTiO3 (c-BT) in aqueous solution of H2O2. Results showed that the dielectric properties of the h-BT/PVDF nanocomposites had weaker temperature and frequency dependences than that of c-BT/PVDF nanocomposites. Meanwhile, the h-BT/PVDF composites showed lower loss tangent and higher dielectric strength. It is suggested that the strong interaction between h-BT fillers and PVDF matrix is the main reason for the improved dielectric properties.
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