Abstract
In this work, bimetallic alloyed AuPd nanorod chains (NRCs) were synthesized by a rapid and simple one-step wet-chemical method, using 4-aminopyridine (4-AP) as the structure director and stabilizing agent, while no any seed, polymer or surfactant was involved during the synthetic process. The architecture was characterized by transmission electron microscopy (TEM) and high-resolution TEM, high-angle annular dark-field scanning TEM (HAADF-STEM), energy-dispersive X-ray spectrometer (EDS) patterns and EDS line scanning profiles, X-ray diffraction, and X-ray photoelectron spectroscopy. An amperometric sensor for hydrazine detection was constructed, and exhibited wide linear range of 0.10–501.00μM and low detection limit (S/N=3) of 0.02μM with ultra-high sensitivity, revealing the improved electroanalytical performance for hydrazine determination.
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