Niobium(V) ethoxide is widely used as a precursor in the synthesis of niobium oxide thin films and coatings through chemical vapor deposition (CVD) and sol-gel processes. These films are essential in the production of optical coatings, anti-reflective layers, and dielectric materials in electronic devices. It is also employed in the preparation of catalysts for organic transformations, such as polymerization and oxidation reactions, due to its ability to facilitate efficient and selective processes. Additionally, niobium(V) ethoxide finds application in the development of advanced ceramics and nanomaterials, where it contributes to enhanced mechanical and thermal properties. Its role in the fabrication of lithium-ion battery materials is notable, as it helps improve electrode performance and stability.