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Synthesis and Electrical Characterization of the Polymorphic Indium Tin Oxide Nanocrystalline Powders
Author(s) -
Seo KyungHan,
Lee JoonHyung,
Kim JeongJoo,
Bertoni M. I.,
Ingram B. J.,
Mason T. O.
Publication year - 2006
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1551-2916.2006.01254.x
Subject(s) - nanocrystalline material , materials science , transmission electron microscopy , indium tin oxide , precipitation , electrical resistivity and conductivity , chemical engineering , indium , tin , oxide , tin oxide , analytical chemistry (journal) , metallurgy , crystallography , nanotechnology , chemistry , thin film , physics , engineering , chromatography , meteorology , electrical engineering
Nanocrystalline powders of two indium tin oxide (ITO) polymorphs—rhombohedral and cubic—were prepared by a co‐precipitation process. The temperature and aging time of precipitates after co‐precipitation were controlled to obtain selectively the two different crystal structures. X‐ray diffraction and transmission electron microscopy were used to characterize the powders. The electrical conductivity of the two ITO powders was determined by the powder solution composite method. The conductivities obtained were 0.26±0.04 and 0.65±0.17 S/cm for the rhombohedral and cubic ITO samples, respectively, the first such report for the rhombohedral phase.