Abstract
Sodium salt of poly(4-styrenesulfonic acid-co-maleic acid) (PSSMA) has been employed to prepare a series of stable nanosized metalcolloids such as silver, gold, palladium, platinum, and silver–gold alloy nanostructures. All ofthe as-synthesized products are very stable in water. The metal nanostructures have beendirectly confirmed by ultraviolet–visible spectroscopy, transmission electron microscopy(TEM), high-resolution TEM, and selected area electron diffraction (SAED), and alsocharacterized by techniques such as Fourier transform infrared spectroscopy (FT-IR) and 1H NMR. Intensive study has found that the metal ions are most probably reduced by organicradicals, generated from the thermal degradation of PSSMA.
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