Abstract
In this communication, we demonstrated a simple chemical approach for preparing dendritic silver nanostructures by mixing AgNO3 aqueous and o-phenylenediamine in the presence of NaCl solutions at room temperature. o-Phenylenediamine was found to act as a stabilizer as well as a reduction agent. Asformed silver dendrites were examined by scanning electron microscopy, energy dispersive spectrometry, X-ray diffraction, and Fourier transform infrared spectroscopy techniques. We found that the concentration of NaCl strongly influenced the shape of silver structures. The forming AgCl serve as efficient etchant and also produces single-crystal seeds. The possible formation mechanism is also discussed.
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