Conductive silver films formed from nano-sized silver powders prepared by flame spray pyrolysis

Hye Young Koo; Jang Heui Yi; Jung Hyun Kim; You Na Ko; Dae Soo Jung; Yun Chan Kang; Jong Heun Lee

doi:10.1016/j.matchemphys.2010.07.072

Conductive silver films formed from nano-sized silver powders prepared by flame spray pyrolysis

Hye Young Koo, Jang Heui Yi, Jung Hyun Kim, You Na Ko, Dae Soo Jung, Yun Chan Kang, Jong Heun Lee

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

8 Citations (Scopus)

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
Pages (from-to)	959-963
Number of pages	5
Journal	Materials Chemistry and Physics
Volume	124
Issue number	2-3
DOIs	https://doi.org/10.1016/j.matchemphys.2010.07.072
Publication status	Published - 2010 Dec 1

Keywords

Chemical synthesis
Electrical conductivity
Glasses
Metals

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics

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title = "Conductive silver films formed from nano-sized silver powders prepared by flame spray pyrolysis",

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.",

keywords = "Chemical synthesis, Electrical conductivity, Glasses, Metals",

author = "Koo, {Hye Young} and Yi, {Jang Heui} and Kim, {Jung Hyun} and Ko, {You Na} and Jung, {Dae Soo} and Kang, {Yun Chan} and Lee, {Jong Heun}",

note = "Funding Information: This study was supported by a grant ( M2009010025 ) from the Fundamental R&D Program for Core Technology of Materials funded by the Ministry of Knowledge Economy (MKE), Republic of Korea . This study was supported by Seoul R & BD Program (WR090671). The work of J.-H. Lee was supported by KOSEF NRL program (no. R0A-2008-000-20032-0). Copyright: Copyright 2011 Elsevier B.V., All rights reserved.",

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doi = "10.1016/j.matchemphys.2010.07.072",

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AU - Koo, Hye Young

AU - Yi, Jang Heui

AU - Kim, Jung Hyun

AU - Ko, You Na

AU - Jung, Dae Soo

AU - Kang, Yun Chan

AU - Lee, Jong Heun

N1 - Funding Information: This study was supported by a grant ( M2009010025 ) from the Fundamental R&D Program for Core Technology of Materials funded by the Ministry of Knowledge Economy (MKE), Republic of Korea . This study was supported by Seoul R & BD Program (WR090671). The work of J.-H. Lee was supported by KOSEF NRL program (no. R0A-2008-000-20032-0). Copyright: Copyright 2011 Elsevier B.V., All rights reserved.

PY - 2010/12/1

Y1 - 2010/12/1

N2 - 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.

AB - 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.

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KW - Glasses

KW - Metals

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Conductive silver films formed from nano-sized silver powders prepared by flame spray pyrolysis

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ASJC Scopus subject areas

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