This special issue publishes a collection of papers that were submitted to the Journal of Materials Science: Materials in Electronics on the theme of materials in nanoscience and nanotechnology.

All the papers published in this special issue have been selected by the guest editor based on their quality of scientific research, submitted as regular papers to this journal, and gone through the journal’s regular rigorous peer review process. The papers were presented in the Sixth International Conference on Nanoscience and Nanotechnology, February 1–3, 2021, SRM Institute of Science and Technology. Due to COVID19 travel restrictions, the conference was held as an e-conference. The coordinating guest editor would like to thank the Editor-in-Chief (Professor Safa Kasap) of Journal of Materials Science: Materials in Electronics for his continuous support and for the completion of this special issue.