The Conference Proceedings will be published with an ISSN and ISBN, indexed in Scopus and Google Scholar, and archived permanently in Portico. The 7th International Conference on Nanomaterials, Nanodevices, Fabrication and Characterization (ICNNFC'21) aims to become the leading annual conference in fields related to nanomaterials, nanodevices, fabrication and characterization. The goal of ICNNFC'21 is to gather scholars from all over the world to present advances in the relevant fields and to foster an environment conducive to exchanging ideas and information. This conference will also provide an ideal environment to develop new collaborations and meet experts on the fundamentals, applications, and products of the mentioned fields. ICNNFC is an acronym for International Conference on Nanomaterials, Nanodevices, Fabrication and Characterization. Topics for ICNNFC’21 include, but are not limited, to the following: Computational Nanotechnology Graphene Nanobiotechnology Nanobiotechnology: Modelling and Simulation Nanocatalysis Nanocomposites Nanocomposites Nanodevices Nanofluids Nanomaterials Characterization Nanoparticles Nanophotonics Nanorobotics Nanotubes Nanotechnology Standardization Nanotechnology and Health Issues Self-assembly Processes Synthesis of Nanomaterials And all other related topics Poster Board Dimensions:Authors presenting via poster boards are to be informed that poster boards are 90 cm height and 70 cm width.