Synthesis and characterization of nano-particulate BaTiO 3 for ceramic/polymer composite capacitor

Duk Kyu Lee; Dong-Wan Kim; In Sun Cho; Sangwook Lee; Jun Hong Noh; Kug Sun Hong

doi:10.1166/jnn.2010.1848

Synthesis and characterization of nano-particulate BaTiO ₃ for ceramic/polymer composite capacitor

Duk Kyu Lee, Dong-Wan Kim, In Sun Cho, Sangwook Lee, Jun Hong Noh, Kug Sun Hong

Research output: Contribution to journal › Article

6 Citations (Scopus)

Abstract

BaTiO ₃ nano-particles with a size range of 20-70 nm were synthesized at 70 °C through a simple wet-chemical reactions between barium hydroxide octahydrate (Ba(OH) ₂ ? 8H ₂O) and meta titanic acid (H ₂TiO ₃) in ethanol/water mixed solvent systems. It was found that the volume ratio of ethanol to deionized water is a key controlling parameter to determine the phase formation and particle size of BaTiO ₃. Single-phase cubic perovskite BaTiO ₃ started to be formed in solution containing above 40 volume percent of ethanol. From the field emission scanning electron microscopy (FE- SEM) and transmission electron microscopy (TEM) analysis, the as-prepared BaTiO ₃ exhibited the aggregated morphologies. The surface properties were characterized by the nitrogen adsorption isotherms curves. The effects of these aggregates on the electrical performance in BaTiO ₃/epoxy nano-composites were also examined.

Original language	English
Pages (from-to)	1361-1366
Number of pages	6
Journal	Journal of Nanoscience and Nanotechnology
Volume	10
Issue number	2
DOIs	https://doi.org/10.1166/jnn.2010.1848
Publication status	Published - 2010 Feb 1
Externally published	Yes

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Keywords

Aggregates
BaTiO
Dielectric properties
Nano-composite
Nano-particles
Synthesis

ASJC Scopus subject areas

Condensed Matter Physics
Chemistry(all)
Materials Science(all)
Bioengineering
Biomedical Engineering

Cite this

Lee, D. K., Kim, D-W., Cho, I. S., Lee, S., Noh, J. H., & Hong, K. S. (2010). Synthesis and characterization of nano-particulate BaTiO ₃ for ceramic/polymer composite capacitor. Journal of Nanoscience and Nanotechnology, 10(2), 1361-1366. https://doi.org/10.1166/jnn.2010.1848

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abstract = "BaTiO 3 nano-particles with a size range of 20-70 nm were synthesized at 70 °C through a simple wet-chemical reactions between barium hydroxide octahydrate (Ba(OH) 2 ? 8H 2O) and meta titanic acid (H 2TiO 3) in ethanol/water mixed solvent systems. It was found that the volume ratio of ethanol to deionized water is a key controlling parameter to determine the phase formation and particle size of BaTiO 3. Single-phase cubic perovskite BaTiO 3 started to be formed in solution containing above 40 volume percent of ethanol. From the field emission scanning electron microscopy (FE- SEM) and transmission electron microscopy (TEM) analysis, the as-prepared BaTiO 3 exhibited the aggregated morphologies. The surface properties were characterized by the nitrogen adsorption isotherms curves. The effects of these aggregates on the electrical performance in BaTiO 3/epoxy nano-composites were also examined.",

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AU - Noh, Jun Hong

AU - Hong, Kug Sun

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10.1166/jnn.2010.1848