Surface functionalization of BaTiO3 nanoparticles and improved electrical properties of BaTiO3/polyvinylidene fluoride composite

Surface functionalization of BaTiO3 nanoparticles with dopamine was carried out using a reflux method to strongly bind dopamine on the BaTiO3 nanoparticle surface and improve its compatibility with the polyvinylidene fluoride (PVDF) polymer matrix. Fourier transform infrared spectra confirm the successful surface functionalization of BaTiO3 nanoparticles after immobilization with dopamine. Electrical properties of the resultant nanocomposite show that the dielectric constant can be enhanced up to 56.8 with low dielectric loss.

[1]  Vijay Kumar Thakur,et al.  Poly(vinylidene fluoride)-graft-poly(2-hydroxyethyl methacrylate): a novel material for high energy density capacitors , 2011 .

[2]  G. Choi,et al.  Effect of molar ratio of KOH to Ti-isopropoxide on the formation of BaTiO3 powders by hydrothermal method , 2003 .

[3]  W. Cannon,et al.  Non-aqueous dispersion properties of pure barium titanate for tape casting , 1988 .

[4]  S. Wada,et al.  Preparation of nm-sized BaTiO3 crystallites by a LTDS method using a highly concentrated aqueous solution , 2001 .

[5]  Zhi-Min Dang,et al.  Influence of silane coupling agent on morphology and dielectric property in BaTiO3/polyvinylidene fluoride composites , 2006 .

[6]  Jianlin Shi,et al.  Low-temperature one-step synthesis of covalently chelated ZnO/dopamine hybrid nanoparticles and their optical properties , 2008 .

[7]  E. Longo,et al.  REFLUX SYNTHESIS AND HYDROTHERMAL PROCESSING OF ZRO2 NANOPOWDERS AT LOW TEMPERATURE , 2009 .

[8]  Ming-Jen Pan,et al.  High energy density nanocomposites based on surface-modified BaTiO(3) and a ferroelectric polymer. , 2009, ACS nano.

[9]  Hao Jiang,et al.  High–rate electrochemical capacitors from highly graphitic carbon–tipped manganese oxide/mesoporous carbon/manganese oxide hybrid nanowires , 2011 .

[10]  Qiming Zhang,et al.  Enhanced Dielectric and Electromechanical Responses in High Dielectric Constant All‐Polymer Percolative Composites , 2004 .

[11]  Sang Il Seok,et al.  Electrical Energy Storage in Ferroelectric Polymer Nanocomposites Containing Surface-Functionalized BaTiO3 Nanoparticles , 2008 .

[12]  Zhuo Xu,et al.  Electric energy storage properties of poly(vinylidene fluoride) , 2010 .

[13]  Pooi See Lee,et al.  Lanthanide-based graded barrier structure for enhanced nanocrystal memory properties , 2009 .

[14]  Jie Gao,et al.  Dielectric nanocomposites for integral thin film capacitors: materials design, fabrication and integration issues , 2003 .

[15]  Peter J. Hotchkiss,et al.  Phosphonic Acid‐Modified Barium Titanate Polymer Nanocomposites with High Permittivity and Dielectric Strength , 2007 .

[16]  G. Choi,et al.  Characteristics of BaTiO3 Particles Prepared by Spray−Coprecipitation Method Using Titanium Acylate-Based Precursors , 1998 .

[17]  Haeshin Lee,et al.  Mussel-Inspired Surface Chemistry for Multifunctional Coatings , 2007, Science.

[18]  Yihe Zhang,et al.  Morphology and Dielectric Property of Homogenous BaTiO3/PVDF Nanocomposites Prepared via the Natural Adsorption Action of Nanosized BaTiO3 , 2005 .

[19]  Raoul Schroeder,et al.  High‐Performance Organic Transistors Using Solution‐Processed Nanoparticle‐Filled High‐k Polymer Gate Insulators , 2005 .

[20]  C. Nan,et al.  Effect of BaTiO3 size on dielectric property of BaTiO3/PVDF composites , 2008 .

[21]  Bing Xu,et al.  Dopamine as a robust anchor to immobilize functional molecules on the iron oxide shell of magnetic nanoparticles. , 2004, Journal of the American Chemical Society.

[22]  R. Hong,et al.  Synthesis, surface modification and photocatalytic property of ZnO nanoparticles , 2009 .

[23]  Bernard Kippelen,et al.  Solution-processible high-permittivity nanocomposite gate insulators for organic field-effect transistors , 2008 .

[24]  M. Toprak,et al.  Reflux synthesis of Co3O4 nanoparticles and its magnetic characterization , 2009 .