Novel mechanism for high speed growth of transparent and conducting tin oxide thin films by spray pyrolysis

作者：Lakshminarayana Rao, V. Vinni · 发表于：Applied Physics Letters · 年份：1993 · DOI：10.1063/1.109964 · 被引用次数：61 · 研究领域：ZnO doping and properties、Gas Sensing Nanomaterials and Sensors、Copper-based nanomaterials and applications

A novel mechanism is proposed for efficient manipulation of transport forces acting on the droplets during spray pyrolytic deposition of thin films. A ‘‘burst mode’’ technique of spraying is used to adjust the deposition conditions so as to transport the droplets under the new mechanism. Transparent, conducting thin films of undoped tin oxide prepared by this method showed significant improvement in growth rate. The films are found to be of fairly good quality with optical transmission of 82% and sheet resistance of 35 Ω/⧠. The films are chemically homogeneous and grow preferentially along 〈200〉 direction.