Inspec keywords: electrochemical electrodes; capacitance; X-ray diffraction; supercapacitors; powders; wide band gap semiconductors; scanning electron microscopy; pyrolysis; II-VI semiconductors; nanofabrication; nanoparticles; spraying; crystallites; electrochemistry; zinc compounds; semiconductor growth; voltammetry (chemical analysis)

Other keywords: ZnO; electrochemical properties; supercapacitor applications; chronopotentiometric technique; ZnO nanopetals; XRD analysis; scan rate; ZnO electrode; size 19 nm; cyclic-voltammetric technique; petal-like formation; spray pyrolysis method; ZnO nanopowders; SEM images; zinc oxide powder; KOH electrolyte; specific capacitance; crystallite size

Subjects: Decomposition reactions (pyrolysis, dissociation, and group ejection); Structure of powders and porous materials; Microstructure; Capacitors; Low-dimensional structures: growth, structure and nonelectronic properties; Electrochemical analytical methods; Electrochemical conversion and storage; Structure of solid clusters, nanoparticles, nanotubes and nanostructured materials; Nanometre-scale semiconductor fabrication technology; Electrochemistry and electrophoresis; Methods of nanofabrication and processing