ZnO nano-particles is synthesized using hydrated zinc chloride (ZnCl2.2H2O) as main raw components. It is calcined at different temperatures (i.e., 200 ⁰C, 400 ºC, 600 ⁰C and 800 ⁰C). Synthesized ZnO is characterized by XRD, SEM/EDS, HRTEM, UV Visible, and Band Gap. XRD result showed pure wurtzite-structure and is crystalline nature. Both XRD results and SAED obtained from pattern HRTEM studies are indicated similar information of the ZnO nanomaterials. Both FESEM and HRTEM techniques are used to observe surface morphology of ZnO nanomaterials. Such analyses are directed to the thermo-chemical reaction of prepared nanostructures. FESEM analysis showed different nano-sized structures of synthesized ZnO. Different nanostructures of ZnO are found in HRTEM images. EDS results of synthesized ZnO is showed to find Zn and oxygen elements. UV Visible and band gap are indicated.
PmAP and PmAP/WO3 composite are synthesized by chemical oxidation polymerization process. Synthesized materials are investigated by UV Visible, SEM and cyclic-voltagram (CV) techniques. SEM study of as prepared materials is indicated formation of different sized crystals (small and aggregated). In UV Visible spectra analyses, both transitioned (i.e., π-π* transition and charge transfer of polaron band) are observed. Tauc expression is used to estimate optical band gap. Estimated optical band gap is to be 3.09 eV. Oxidation-reduction potential profile is detected in cyclic voltammetry (CV) analyses of PmAP and PmAP/WO3 composite.
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