Dispersion stabilization of conductive transparent oxide nanoparticles
We present the preparation of stable dispersion made of ITO and ATO nanoparticles. Titanate coupling agent and β-diketones were used as dispersants. Batch or continuous type milling machine were applied for the attrition process. ▪ A colloidal dispersion of indium tin oxide (ITO) nanoparticles in an...
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Published in | Colloids and surfaces. A, Physicochemical and engineering aspects Vol. 336; no. 1; pp. 88 - 98 |
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Main Authors | , , , , , |
Format | Journal Article |
Language | English |
Published |
Elsevier B.V
20.03.2009
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Subjects | |
Online Access | Get full text |
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Summary: | We present the preparation of stable dispersion made of ITO and ATO nanoparticles. Titanate coupling agent and β-diketones were used as dispersants. Batch or continuous type milling machine were applied for the attrition process.
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A colloidal dispersion of indium tin oxide (ITO) nanoparticles in an organic solvent was achieved using a milling process in which β-diketones or titanate coupling agents were used as a dispersing agent. Isopropyl tri(
N-ethylenediamino)ethyl titanate and 2,4-pentanedione were found to be the most suitable dispersants for stabilizing ITO nanoparticles in a mixed organic solvent. The secondary particle size of the colloidal ITO dispersion was markedly affected by operational parameters in the milling process. Stable dispersions of antimony-doped tin oxide (ATO) nanoparticles in organic solvent, using β-diketones as dispersants, were also prepared. The stable dispersions of ITO and ATO nanoparticles were used as conductive transparent film coatings on cathode-ray tube panels. We found that the electrical conductivity of the film coating was affected by the boiling point of the dispersion stabilizers. |
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ISSN: | 0927-7757 1873-4359 |
DOI: | 10.1016/j.colsurfa.2008.11.014 |