Abstract
Nano-sized silver powders were directly prepared by high-temperature flame spray pyrolysis; an ultrasonic spray generator was used in the process. The silver powders were nanometer sized and had a spherical shape; further, they did not show a tendency to form aggregates. Their mean size was 26 nm. The mean crystallite size measured using Scherrer's equation was 26 nm. Conductive silver films were formed from the nano-sized silver powders. The powders sintered completely at a firing temperature of 400 °C. Conductive silver films fired at temperatures between 400 and 500 °C had a dense structure and similar thicknesses. The specific resistances of conductive silver films fired at temperatures of 400, 450, and 500 °C were 8.3, 3.6, and 2.7 μΩ cm. On the other hand, a conductive silver film formed from submicron-sized silver powders had a high specific resistance of 19 μΩ cm at a firing temperature of 450 °C.
Original language | English |
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Pages (from-to) | 959-963 |
Number of pages | 5 |
Journal | Materials Chemistry and Physics |
Volume | 124 |
Issue number | 2-3 |
DOIs | |
Publication status | Published - 2010 Dec 1 |
Keywords
- Chemical synthesis
- Electrical conductivity
- Glasses
- Metals
ASJC Scopus subject areas
- Materials Science(all)
- Condensed Matter Physics