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Copper-Containing Ceramic Precursor Synthesis: Solid-State Transformations and Materials Technology

Published online by Cambridge University Press:  22 February 2011

Aloysius F. Hepp ,
William E. Eckles ,
Stan A. Duraj ,
Maria T. Andras ,
Phillip E. Fanwick ,
Robert M. Richman ,
Michael L. Sabat ,
Michael B. Power ,
Edward M. Gordon  and
Andrew R. Barron
Aloysius F. Hepp
Affiliation:
NASA Lewis Research Center, Photovoltaic Branch, M.S. 302-1, Cleveland, OH 44135
William E. Eckles
Affiliation:
Department of Chemistry, Cleveland State University, Cleveland, OH 44115
Stan A. Duraj
Affiliation:
Department of Chemistry, Cleveland State University, Cleveland, OH 44115
Maria T. Andras
Affiliation:
NASA Lewis Research Center, Photovoltaic Branch, M.S. 302-1, Cleveland, OH 44135 National Research Council/NASA Lewis Research Center Resident Research Associate
Phillip E. Fanwick
Affiliation:
Department of Chemistry, Purdue University, West Lafayette, IN 47907
Robert M. Richman
Affiliation:
Mount St. Mary's College, Emmitsburg, MD 21727
Michael L. Sabat
Affiliation:
Departjnent of Chemistry, University of Virginia, Charlottesville, VA 22901
Michael B. Power
Affiliation:
Gallia, Inc., 53 Beaver Rd., Weston, MA 02193
Edward M. Gordon
Affiliation:
Division of Natural Sciences, Wilberforce University, WIlberforce, OH 45384 NASA Lewis Research Center Resident Research Associate
Andrew R. Barron
Affiliation:
Department of Chemistry, Harvard University, Cambridge, MA 02138
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Abstract

Three copper systems with relevance to materials technology are discussed. In the first, a CuS precursor, Cu4S 10(4-methylpyridine)4 (4-MePy), was prepared by three routes: reaction of Cu2S, reaction of CuBr•SMe2 and oxidation of copper powder with excess sulfur in 4-methylpyridine by sulfur. In the second, copper powder was found to react with excess thiourea (H2NC(S)NH2) in 4-methylpyridine to produce thiocyanate (NCS-) complexes. Three isolated and characterized compounds are: Cu(NCS)(4-MePy)2, a polymer, [4-MePy•H][Cu(NCS)3(4-MePy)2], a salt, and t-Cu(NCS)2(4-MePy)4. Finally, an attempt to produce a mixed-metal sulfide precursor of Cu and Ga in N-methylimidazole (N-MeIm) resulted in the synthesis of a Cu-containing polymer, Cu(S04)(N-Melm). The structures are presented; the chemistry will be briefly discussed in the context of preparation and processing of copper-containing materials for aerospace applications.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 327: Symposium N – Covalent Ceramics II: Non-Oxides , 1993 , 23
Copyright
Copyright © Materials Research Society 1994

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