This review summarizes the synthesis, properties, and applications of one-dimensional titanium dioxide (TiO₂) nanomaterials, specifically TiO₂ nanotubes. The article discusses various growth techniques for TiO₂ nanotubes, including hydrothermal synthesis, anodic oxidation, electrospinning, and self-organization. It highlights the importance of controlling the morphology and structure of TiO₂ nanotubes for their application in various fields such as solar cells, photocatalysis, sensors, and biomedical applications. The review also covers the modification of TiO₂ nanotubes through doping, surface functionalization, and the formation of heterojunctions. The properties of TiO₂ nanotubes, including their electronic and optical characteristics, are discussed, along with their potential for use in energy storage and conversion systems such as supercapacitors and memristive devices. The review emphasizes the significance of TiO₂ nanotubes in photovoltaic and photocatalytic applications, as well as their biocompatibility and ion intercalation properties. The article also discusses the challenges and opportunities in the synthesis and application of TiO₂ nanotubes, highlighting the need for further research to optimize their performance and expand their use in various technological applications.This review summarizes the synthesis, properties, and applications of one-dimensional titanium dioxide (TiO₂) nanomaterials, specifically TiO₂ nanotubes. The article discusses various growth techniques for TiO₂ nanotubes, including hydrothermal synthesis, anodic oxidation, electrospinning, and self-organization. It highlights the importance of controlling the morphology and structure of TiO₂ nanotubes for their application in various fields such as solar cells, photocatalysis, sensors, and biomedical applications. The review also covers the modification of TiO₂ nanotubes through doping, surface functionalization, and the formation of heterojunctions. The properties of TiO₂ nanotubes, including their electronic and optical characteristics, are discussed, along with their potential for use in energy storage and conversion systems such as supercapacitors and memristive devices. The review emphasizes the significance of TiO₂ nanotubes in photovoltaic and photocatalytic applications, as well as their biocompatibility and ion intercalation properties. The article also discusses the challenges and opportunities in the synthesis and application of TiO₂ nanotubes, highlighting the need for further research to optimize their performance and expand their use in various technological applications.