New organosols of nickel sulfides,palladium sulfides,manganese sulfide,and mixed metal sulfides and their use in preparation of semiconducting polymer-metal sulfide composites |
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Authors: | T Yamamoto A Taniguchi S Dev E Kubota K Osakada K Kubota |
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Institution: | (1) Present address: Research Laboratory of Resources Utilization, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, 227 Yokohama, Japan;(2) Department of Engineering, Gumma University, Tenjincho, Kiryuu, Japan |
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Abstract: | Organosols of NiS, PdS, and MnS in N,N-dimethylformamide were prepared by reaction of the metal acetate with H2S. Organosols of mixed-metal sulfides (Zn
x
Cd1–x
S, Hg
x
Cd1–x
S, Hg
x
Cu1–x
S, Cd
x
Mn1–x
S, Hg
x
Mn1–x
S, Hg
x
Cd1–x
S, and Mn
x
Zn1–x
S) were similarly obtained by reaction of mixtures of the metal salts with H2S. The organosol of Zn0.5Cd0.5S contained particle with two particle size distributions centered at 6.5 nm and 29 nm, as revealed by Ar laser-scattering analysis. The metal sulfides are recovered by addition of Et2O to the organosols. Zn
x
Cd1–x
S thus obtained shows magnetic susceptibility in the range 0.5×10–6–2.3×10–6 emug–1 depending on thex value. Addition of polymers to the organosols affords semiconducting films of metal sulfide-polymer composites. |
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Keywords: | Organosol nickel sulfide palladium sulfide manganese sulfide mixed sulfide |
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