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Preparation and characterization of GeS2

Published online by Cambridge University Press:  31 January 2011

Vesna Stanić ,
Alain C. Pierre ,
Thomas H. Etsell  and
Randy J. Mikula
Vesna Stanić
Affiliation:
Department of Mining, Metallurgical and Petroleum Engineering, University of Alberta, Edmonton, Alberta, T6G 2G6, Canada
Alain C. Pierre
Affiliation:
Department of Mining, Metallurgical and Petroleum Engineering, University of Alberta, Edmonton, Alberta, T6G 2G6, Canada
Thomas H. Etsell
Affiliation:
Department of Mining, Metallurgical and Petroleum Engineering, University of Alberta, Edmonton, Alberta, T6G 2G6, Canada
Randy J. Mikula
Affiliation:
CANMET Western Research Centre, Devon, Alberta, T0C 1E0, Canada
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Abstract

Synthesis of GeS2 via a sol-gel process using germanium ethoxide and hydrogen sulfide in toluene resulted in a gel aggregate with an apparent Ge/S ratio 1:1.8. Special precautions were necessary to protect the reaction mixture from water contamination which produced GeO2. Results indicated that the main source of water was the hydrogen sulfide gas. Heat treatment of the produced GeSx gel yielded a product with Ge/S ratio 1:2.3. The sol-gel prepared materials and their heat-treated products were characterized by various methods.

Type
Articles
Information
Journal of Materials Research , Volume 11 , Issue 2 , February 1996 , pp. 363 - 372
Copyright
Copyright © Materials Research Society 1996

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References

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