The International Functional Nanomaterials and Nanodevices Conference 2020 (Nanomat2020) aims to bring together leading scientists, researchers, engineers, and technology developers in nanotechnology to exchange information on their latest research progress and innovation. This Conference will include a series of symposia focused on four main areas which are: - Functional Nanomaterials Synthesis and Characterization; - Devices for Energy Storage and Energy Conversion; - Nanobiotechnologies and Nanodevices; - Nanotechnology for Environmental Studies & Safety Issues.