Fabrication and characterization of multi-layered ceramic ion generators based on dielectric barrier discharge

Hong Je Choia, Byung Ik Kim, Yong Soo Cho, Myoung Pyo Chun

Research output: Contribution to journalArticle

Abstract

Multi-layered ceramic ion generators based on dielectric barrier discharge (DBD) were fabricated by a lamination process embedding the device with thick film patterns for applications of air purification and sterilization. The structure of the dielectric barrier discharge module consists of seven laminated Al2O3 layers containing top and inner conductor patterns functioning for the ion generators. The top layer of the laminated structure was passivated with MgO thick film of 20-30 μm for protection physically and electrically. Negative ions are generated on the top electrode layer with a sufficient applied voltage. Compared to a rectangular generator pattern, a radial pattern generated more negative ions by inducing electrons effectively around its sharp edges. The degree of negative ion generation was analyzed with two different top electrode patterns and different size of one of top patterns. The values of capacitance of the dielectric layer with respect to them. It was also observed that the appropriate magnitude of applied voltage was also very critical in determining enough ion generation without detrimental dielectric breakdown.

Original languageEnglish
Pages (from-to)536-540
Number of pages5
JournalJournal of Ceramic Processing Research
Volume16
Issue number5
Publication statusPublished - 2015 Jan 1

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Negative ions
Ions
Thick films
Fabrication
Air purification
Electrodes
Electric potential
Electric breakdown
Capacitance
Electrons

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites

Cite this

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abstract = "Multi-layered ceramic ion generators based on dielectric barrier discharge (DBD) were fabricated by a lamination process embedding the device with thick film patterns for applications of air purification and sterilization. The structure of the dielectric barrier discharge module consists of seven laminated Al2O3 layers containing top and inner conductor patterns functioning for the ion generators. The top layer of the laminated structure was passivated with MgO thick film of 20-30 μm for protection physically and electrically. Negative ions are generated on the top electrode layer with a sufficient applied voltage. Compared to a rectangular generator pattern, a radial pattern generated more negative ions by inducing electrons effectively around its sharp edges. The degree of negative ion generation was analyzed with two different top electrode patterns and different size of one of top patterns. The values of capacitance of the dielectric layer with respect to them. It was also observed that the appropriate magnitude of applied voltage was also very critical in determining enough ion generation without detrimental dielectric breakdown.",
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Fabrication and characterization of multi-layered ceramic ion generators based on dielectric barrier discharge. / Choia, Hong Je; Kim, Byung Ik; Cho, Yong Soo; Chun, Myoung Pyo.

In: Journal of Ceramic Processing Research, Vol. 16, No. 5, 01.01.2015, p. 536-540.

Research output: Contribution to journalArticle

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