This book presents the select proceedings of the International Hybrid Conference on Nanostructured Materials and Polymer (ICNP 2023). Various topics covered in this volume are nanomaterials, polymers, applications, polymer chemistry, polymer nanocomposites, quantum dots, membranes, modeling and simulations, photocatalysis, etc. The book will be useful for researchers and professionals working in the areas of nanostructured materials and polymers.