"Nanomaterials and thin films are critical factors for miniature devices in our daily lives. It includes applications in solar energy, gas sensors, optoelectronics, energy storage, hydrogen generation, thermoelectric, etc., for strategic devices. Various techniques have been used to fabricate nanomaterials and nanostructures based on the applications such as pulsed laser deposition, magnetron sputtering, e-beam evaporators, sol-gel and chemical vapor deposition, among others. It will also cover various nanomaterials' recent developments and fabrication for their futuristic application in energy and sensor devices. The book aims to cater to the need of budding researchers in nanomaterials and post-graduate students"--