The manufacture and commercial applications of metastannic acid and of tin dioxide based semiconducting materials

Lawrence, S.A. (1984). The manufacture and commercial applications of metastannic acid and of tin dioxide based semiconducting materials. (Unpublished Doctoral thesis, City University London)

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Abstract

The financing of the research project by Keeling and Walker Ltd. resulted from a need for a greater knowledge of the properties of metastannic acid and also for an understanding of the reaction parameters controlling the manufacture of the material. Once these criteria had been defined it was hoped that it would be possible to design a full sized manufacturing plant for the production of metastannic acid of a fine particle size. Several series of investigative experiments into metastannic acid production were carried out at The City University and at Keeling and Walker's factory in Stoke-on-Trent and material analysis was carried out at The City University and at The British Ceramic Research Association in Stoke-on-Trent. The interpretation of results obtained from these experiments enabled a new metastannic acid production plant to be designed together with a proposed operating cycle as part of this work. As well as manufacturing metastannic acid Keeling and Walker Ltd. also produce a range of tin dioxide based semiconductors for industrial applications. Work was carried out in this project to try to find a suitable synthetic route for the large scale manufacture of low resistivity indium tin oxide. Extensive experimental trials resulted in the consistent production of a low resistivity material prepared from the thermal decomposition of indium tin benzoate. Other areas of research covered in this project were, the preparation of tin (IV) oxide by new synthetic routes, mossbauer spectroscopic studies of tin oxides and an investigation into the hydrous metal oxide chemistry of tin, titanium, zirconium and hafnium.

Item Type: Thesis (Doctoral)
Subjects: Q Science > QD Chemistry
Divisions: School of Engineering & Mathematical Sciences
URI: http://openaccess.city.ac.uk/id/eprint/8240

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