Inclusion effect of gold and copper particles in a poly(amide) matrix that contains a thiophene moiety and Si or Ge atoms in the main chain
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González Henríquez, Carmen M.
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Inclusion effect of gold and copper particles in a poly(amide) matrix that contains a thiophene moiety and Si or Ge atoms in the main chain
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Abstract
Soluble pure silicon or germanium-containing poly(amide)s and their metallic composites (Cu or Au)
were synthesized and characterized. Optical band gaps of pure polymer were comparable to an
insulator behavior; however, the conductivity of some composites at several concentrations shows
a diode-like behavior. Samples exhibit a monoclinic lattice mixed with amorphous structures.
Specifically, polymer–Au composites showed distortion of this unit cell, associated with an increase in
the conductance. This effect would be related to the coordination of the central atom (Si or Ge) to the
incorporated metal, producing a homogeneous distribution of metallic particles within the system.
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MECESUP UCH 0601 and the corresponding authors thank the
financial support provided by FONDECYT project: Nr 1095151,
1100015 and 1100882.
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J. Mater. Chem., 2012, 22, 6782
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