The book Nanomaterials: Synthesis, Characterization & Applications provides an in-depth exploration of the rapidly evolving field of nanoscience and nanotechnology. It highlights advanced methods of nanomaterial synthesis, including chemical, physical, and biological approaches, emphasizing their scalability and precision. Detailed chapters cover a wide range of characterization techniques such as spectroscopy, microscopy, and surface analysis, which are crucial for understanding structural, optical, electrical, and mechanical properties at the nanoscale. The book further examines diverse applications of nanomaterials in energy storage, catalysis, electronics, medicine, and environmental remediation. Special focus is given to nanomaterials’ role in sustainable technologies, smart devices, and next-generation innovations. By bridging fundamental principles with practical applications, the book serves as a valuable resource for researchers, academicians, and industry professionals. It not only addresses scientific and technological aspects but also touches on challenges, safety concerns, and future prospects of nanomaterials. This comprehensive volume offers insights that make it an essential reference in the fields of materials science, engineering, and applied nanotechnology.