High Performance of ZnO/PANI Nanocomposites for Supercapacitors Applications
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Abstract
One of the goals of current technology is to miniaturize electronic, operational, sensing and optical devices and their components. Thus, nanotechnology is an advanced technology favored by the scientific and industrial communities for its ability to exploit the unique properties of nanomaterials on a large scale. This study examined the polyaniline (PANI) solution with (ZnO) in different volume ratios through depositing (PANI: ZnO) on glass and silicon substrates. Alkalis were prepared and cleaned in a specific method and kept in tanks until they were used in a precipitation process using distillation casting techniques, which were carried out on silicon. The results showed that the as-prepared material has the characteristic of electrochemical performance. The synthesis test showed the consistency and compatibility among the materials used in the study with a maximum elapse time of (7.72 sec) and a maximum voltage of (0.203 V). The highest intensity for ZnO was at (36.3008°) with a Miller coefficient of (101) and for PANI was at (25°) with a Miller coefficient of (200). The X-ray diffraction results showed a successful matching procedure. When ZnO and PANI were mixed, the Miller coefficient (100) at (35o) angle provided the highest intensity. This proved that the materials used in the precipitation process were compatible. As for scanning electron microscopy, the results showed homogeneity and diffusion in the prepared material, where the grain volume decreased with the increase in ZnO. The best mixing ratio was (5:5) of (ZnO/PANI).
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