Synthesis and Characterization of V2O5 Nanorods on Different Substrates under Thermal Annealing
Keywords:
Synthesis, nanorods, annealingAbstract
Vanadium pentoxide (V?O?) nanorods have arisen as interesting functional materials owing to their distinctive one-dimensional structure, adjustable bandgap, and exceptional electrochemical and optical characteristics. Their synthesis and characterization under diverse thermal annealing conditions on various substrates have garnered considerable interest for applications in photodiodes, gas sensors, and electrochromic devices. Various synthetic methods, such as hydrothermal growth, spray pyrolysis, and chemical pyrophoric reactions, have facilitated the precise synthesis of V?O? nanorods exhibiting substrate-dependent structural, morphological, and electrical characteristics. Thermal annealing is essential for adjusting crystallinity, defect density, optical absorbance, and electrical conductivity. Recent research indicate that substrate type, annealing duration, and temperature substantially impact nanorod orientation, growth density, and interfacial characteristics, thereby affecting device performance. This paper synthesizes advancements in synthesis processes, annealing effects, and substrate influence on V?O? nanorods, establishing a basis for customizing nanostructures for energy, sensing, and optoelectronic applications.
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