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Oriented Growth of Tin Oxide Thin Films on Glass Substrates by Spray Pyrolysis of Organotin Compounds
Author(s) -
Murakami Kenji,
Yagi Isao,
Kaneko Shoji
Publication year - 1996
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.1151-2916.1996.tb09015.x
Subject(s) - thin film , spray pyrolysis , tin , substrate (aquarium) , tin oxide , materials science , chemical engineering , deposition (geology) , crystal growth , pyrolysis , oxide , chemistry , nanotechnology , metallurgy , organic chemistry , crystallography , paleontology , oceanography , sediment , geology , engineering , biology
Organotin compounds were used successfully to prepare highly oriented SnO 2 thin films on glass substrates. Spray pyrolysis of tetra‐n‐butyltin(IV) and di‐n‐butyltin(IV) diacetate led to the deposition of [110]‐ and [200]‐oriented SnO 2 films, respectively. The oriented growth of these thin films occurred via three stages: (1) formation of SnO 2 nuclei, (2) crystal growth of SnO 2 with preferred orientations, and (3) further crystal growth normal to the surface of the substrate. The butyl and acetoxy groups of the organotin compounds facilitated [110]‐ and [200]‐oriented growth of SnO 2 thin films, respectively. The present model explains the oriented growth of SnO 2 thin films in terms of the relationship between the molecular structure of the starting compounds and the atomic configuration of the grown surfaces.