Characteristics of Ag powders coated with Pb-based glass material prepared by spray pyrolysis under various gas environments

Jang Heui Yi, Hye Young Koo, Jung Hyun Kim, You Na Ko, Yun Chan Kang, Hye Moon Lee, Jung Yeul Yun

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Abstract

Ag powders coated with Pb-based glass material for Si solar cell application are directly prepared by spray pyrolysis in various gas environments. Pb-based glass is successfully formed in the composite powders irrespective of gas environment. The composite powders have bimodal size distributions of nanometer and submicron sizes. However, the number of nano-sized powders decreases when the reducing gas was used as the carrier gas. The silver-conducting films fired at 700 and 800 °C have dense structures without pores irrespective of the gas environment in the preparation of the composite powders. Glass materials are uniformly segregated between micron-sized silver grains. The conducting film formed from the composite powders prepared under 20% H2/Ar atmosphere have sheet resistance of 7.8, 6.8, 5.1 and 5.9 mΩ/sq at firing temperatures of 500, 600, 700 and 800 °C, respectively.

Original languageEnglish
Pages (from-to)2477-2483
Number of pages7
JournalCeramics International
Volume36
Issue number8
DOIs
Publication statusPublished - 2010 Dec 1
Externally publishedYes

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Keywords

  • A. Powders: chemical preparation
  • A. Powders: gas phase reaction

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Process Chemistry and Technology
  • Surfaces, Coatings and Films
  • Materials Chemistry

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