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Synthesis of Metal Sulfide Powders From Organometallics

Published online by Cambridge University Press:  28 February 2011

Curtis E. Johnson
Affiliation:
Chemistry Division, Research Department, Naval Weapons Center, China Lake, CA 93555-6001
Deborah K. Hickey
Affiliation:
Chemistry Division, Research Department, Naval Weapons Center, China Lake, CA 93555-6001
Daniel C. Harris
Affiliation:
Chemistry Division, Research Department, Naval Weapons Center, China Lake, CA 93555-6001
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Abstract

Organometallic reagents have been examined for the low-temperature preparation of metal sulfide powders which are desired as precursors to optical ceramics. The general approach is typified by the reaction of diethylzinc with hydrogen sulfide in toluene solution at room temperature. Electron microscopy shows that the white ZnS product consists of aggregates of ≤ 0.1 μm particles. The product is further characterized as predominantly cubic zinc sulfide (X-ray diffraction) which contains some residual hydrocarbon. Various organozinc reagents and experimental procedures have been tried in order to optimize the reaction. The reaction has also been extended to organometallic complexes of Al and Mg, and also to a ternary system, ZnAl2 S4

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Copyright
Copyright © Materials Research Society 1986

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References

1. During the course of our work, a brief report of ZnS synthesis from Et2Zn and ItS in diethyl ether appeared. Takakazu Yamamoto and A. Taniguchi, Inorg. Chim. Acta 97, L11 (1985 ).CrossRefGoogle Scholar
2. JCPDS powder diffraction file 5-0566 (β-ZnS) and 5-492 (α-ZnS).Google Scholar

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