"Applications of Nanotechnology" is a comprehensive textbook that explores the diverse applications of nanotechnology across various fields. It provides a clear and detailed description of its uses in photovoltaics, batteries, fuel cells, energy transfer, water treatment, defense, sustainable construction, the automotive industry, aerospace, electronics, computer engineering, and photonics. The book is primarily aimed at undergraduate students in the natural sciences, engineering, and technology. It plays an important role in the curriculum of all disciplines and aims to provide valuable guidance for young graduates. The content is designed to thoroughly cover the applications of nanoscience and nanotechnology, thereby making a significant contribution to education in these promising fields.