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Zinc oxide (ZnO) nanostructures were synthesized in the form of nanoparticles, nanoflowers and nanourchins. Structural, electronic and optical characterization of the samples was performed via standard techniques such as X-ray diffraction (XRD), scanning electron microscopy (SEM), photoluminescence, Raman and ultraviolet-visible (UV-Vis) spectroscopy. Point defect structures which are specific to each morphology have been investigated in terms of their concentration and location via state-of-the-art electron paramagnetic resonance (EPR) spectroscopy. According to the core–shell model, all the samples revealed core defects; however, the defects on the surface are smeared out. Finally, all three morphologies have been tested as electrode materials in a real supercapacitor device and the performance of the device, in particular, the specific capacitance and the storage mechanism, has been mediated by the …
Royal Society of Chemistry
Publication date: 
1 Jan 2020

Sumaiyah Najib, Feray Bakan, Nazrin Abdullayeva, Rahim Bahariqushchi, Sibel Kasap, Giorgia Franzò, Mehmet Sankir, Nurdan Demirci Sankir, Salvo Mirabella, Emre Erdem

Biblio References: 
Volume: 12 Issue: 30 Pages: 16162-16172