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

Duk Kyu Lee; Dong Wan Kim; In Sun Cho; Sangwook Lee; Junhong 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, Junhong Noh, Kug Sun Hong

Research output: Contribution to journal › Article › peer-review

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
Externally published	Yes

Keywords

Aggregates
BaTiO
Dielectric properties
Nano-composite
Nano-particles
Synthesis

ASJC Scopus subject areas

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

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title = "Synthesis and characterization of nano-particulate BaTiO 3 for ceramic/polymer composite capacitor",

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.",

keywords = "Aggregates, BaTiO, Dielectric properties, Nano-composite, Nano-particles, Synthesis",

author = "Lee, {Duk Kyu} and Kim, {Dong Wan} and Cho, {In Sun} and Sangwook Lee and Junhong Noh and Hong, {Kug Sun}",

year = "2010",

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doi = "10.1166/jnn.2010.1848",

language = "English",

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AU - Lee, Duk Kyu

AU - Kim, Dong Wan

AU - Cho, In Sun

AU - Lee, Sangwook

AU - Noh, Junhong

AU - Hong, Kug Sun

PY - 2010/2

Y1 - 2010/2

N2 - 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.

AB - 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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