Abstract
In the present study, flexible organic poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) films were employed as working electrodes for the facile electrodeposition of tellurium (Te). Dendritic Te nanostructures were successfully deposited at a current of 8 mA/cm2 for 700 s at 25 °C, using Na2TeO3 as the Te source and HNO3 as the electrolyte. The phase and morphology of the resulting dendritic nanostructures were characterized by X-ray diffraction, energy-dispersive spectrometry, and scanning electron microscopy. It was found that the deposition temperature had a remarkable influence on the morphologies of the samples. A certain concentration of HNO3 was indispensable in the formation of dendritic Te nanostructures. High deposition current density promoted the formation of dendritic Te nanostructures and the morphologies could be affected by the Na2TeO3 concentration. It is expected that flexible organic PEDOT:PSS film working electrodes may provide a facile and general method for synthesizing materials with a wide array of applications.
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