Research and Applications of TiO₂ Nanotube Layers

Dear Colleagues,

Titanium dioxide (TiO₂) nanotubes have emerged as one of the most versatile and promising nanostructured materials due to their unique combination of chemical stability, large surface area, tunable electronic properties, and ease of fabrication through anodization. Since their discovery, TiO₂ nanotubes have been extensively studied for applications in photocatalysis, photovoltaics, biomedical devices, energy storage, and environmental remediation.

This Special Issue aims to bring together the latest advances in both the fundamental understanding and practical applications of TiO₂ nanotube structures. It welcomes original research and comprehensive reviews addressing topics such as the synthesis and modification of TiO₂ nanotubes, their structural and surface characterization, doping strategies, integration with other functional materials, and emerging uses in real-world technologies. Given the growing need for scalable and efficient materials in clean energy and environmental technologies, contributions exploring large-scale fabrication methods and photoelectrochemical performance are especially encouraged. This issue also seeks to highlight innovations in using TiO₂ nanotubes for next-generation applications, including sensing, antimicrobial coatings, and lithium-ion microbatteries.

By showcasing current research trends and interdisciplinary applications, this Special Issue will serve as a valuable resource for researchers and engineers working at the intersection of nanotechnology, materials science, and applied chemistry.

Dr. Marcela Sepúlveda
Dr. David Quintero Giraldo
Guest Editors

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