Characteristics of nano-sized silver-glass composite powders prepared by flame spray pyrolysis

Hye Young Koo, Jang Heui Yi, Yun Chan Kang

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Nano-sized silver-glass composite powders were directly prepared by high-temperature flame spray pyrolysis applying ultrasonic spray generator. The silver-glass composite powders with various glass contents had nanometer size, spherical shape and non-aggregation characteristics. The mean size of the silver-glass composite powders was 56 nm. The nano-sized silver-glass composite powders had pure Ag crystal structures irrespective of adding amounts of glass. The silver conducting films formed from the nano-sized silver-glass composite powders had dense structures at firing temperatures between 400 and 500 °C. The silver conducting films formed from the nano-sized silver-glass composite powders had lower sheet resistivities than those formed from the nano-sized silver powders irrespective of the firing temperatures. The sheet resistivities of the silver conducting films formed from the nano-sized silver-glass composite powders with 1 wt% glass content were 53, 16 and 11 mΩ/sq at firing temperatures of 400, 450 and 500 °C, respectively.

Original languageEnglish
Pages (from-to)456-460
Number of pages5
JournalJournal of Alloys and Compounds
Volume489
Issue number2
DOIs
Publication statusPublished - 2010 Jan 21
Externally publishedYes

Fingerprint

Spray pyrolysis
Silver
Powders
Glass
Composite materials
Conductive films
Temperature
Crystal structure
Ultrasonics

Keywords

  • Chemical synthesis
  • Gas-solid reaction

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

Cite this

Characteristics of nano-sized silver-glass composite powders prepared by flame spray pyrolysis. / Koo, Hye Young; Yi, Jang Heui; Kang, Yun Chan.

In: Journal of Alloys and Compounds, Vol. 489, No. 2, 21.01.2010, p. 456-460.

Research output: Contribution to journalArticle

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