Journal of the Ceramic Society of Japan
Online ISSN : 1348-6535
Print ISSN : 1882-0743
ISSN-L : 1348-6535
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Characteristics of carbon-glass composite powders with spherical shape and submicron size prepared by spray pyrolysis from colloidal spray solution
You Na KOHye Young KOOJung Hyun KIMYun Chan KANG
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2009 Volume 117 Issue 1371 Pages 1277-1280

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Abstract

Carbon-glass composite powders were directly prepared by spray pyrolysis from spray solution containing nano-sized carbon black powders and dissolved Pb-based glass components. The composite powders had spherical shape and non-aggregation characteristics. One composite particle was formed from one droplet. The mean size of the composite powders measured from the SEM images was 0.7 μm. Carbon black powders were well dispersed inside the matrix of glass. The black matrix layers formed from the carbon-glass composite powders had smooth surfaces at firing temperatures of 500 and 550°C. The black matrix layers formed from the paste with carbon-glass composite powders had lower transmittances than those formed from the paste with carbon black and glass powders under ultraviolet and visible light range. The reflectances of the black matrix layers formed from the paste with carbon-glass composite powders were 3.1 and 4.3% at firing temperatures of 500 and 550°C.

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© 2009 The Ceramic Society of Japan
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