期刊
IEEE TRANSACTIONS ON NANOTECHNOLOGY
卷 7, 期 2, 页码 172-176出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TNANO.2008.917846
关键词
indium tin oxide (ITO); inkjet printing; low temperature; nanoparticle; uniform dispersion
In this paper, an ultrafine indium tin oxide (ITO) nanoparticle for ink-jet printing was successfully developed by applying low-temperature synthetic method at 300 degrees C. Mean size of the synthesized ITO nanoparticle is 5 nm with uniformity. High specific surface area above 100 m(2)/g certifies the ultrafine particle size. Especially, the ITO nanoparticle was well dispersed by the surface additive. Despite the low-temperature synthesis at 300 degrees C, the ITO nanoparticle was well crystallized with (2 2 2) preferred orientation. Composition ratio of In and Sn is 90 and 10 wt% in the lattice of the ITO nanoparticle. Also, using the well-dispersed ultrafine ITO nanoparticle, ITO ink was attempted to be used for ink-jet printing. As a result, ITO ink was made well by dispersing the ITO nanoparticle into the organic solvent uniformly. Using the nano-ITO ink, ITO transparent thin film with high optical transmittance over 90% could be fabricated.
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