Abstract
The semiconductors [Pt(NH 2dmoc) 4][PtCl 4], where dmoc denotes ( S)-3,7-dimethyloctyl, and [Pt(NH 2eh) 4][PtCl 4], where eh is ( R)-2-ethylhexyl, are soluble quasi-one-dimensional compounds with a backbone of linearly arranged platinum atoms. Uniaxially oriented films of those metal complexes of approximately 0.1 μm thickness were deposited from solution on quartz glass slides covered with a friction-deposited orientation layer of approximately 40 nm poly(tetrafluoroethylene) (PTFE). UV/vis spectra recorded with polarized light as well as electron diffraction patterns of [Pt(NH 2dmoc) 4][PtCl 4] indicated that the films were highly ordered, the platinum arrays oriented parallel to the orientation direction of the PTFE molecules. As a consequence, the films exhibited a pronounced anisotropy, among other characteristics, in the electric conductivity, which is of potential use in electronic devices.
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