科研之友
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摘要
Silver nanoparticles were first generated by reduction of silver-amine complex with isobutyraldehyde in the presence of polyvinyl butyral in alcohol solution at room temperature. The fully organic phase is composed of silver acetate (SA) as a silver precursor, alkylamine as a ligand dissolving SA and alkaline-regulating agent accelerating the reaction. H-1 NMR and Fourier transformation infrared spectra were performed to analyse the formation of silver-amine complex. The products were characterised by X-ray powder diffraction, UV-vis absorption spectroscopy, transmission electron microscopy and scanning electron microscopy, proving that nearly monodispersed silver nanospheres were obtained.
