Cellulose nanofiber composite copper thin film with high electrical conductivity using copper formate complex ink

Key Points

• High electrical conductivity is achieved in thin films using cellulose nanofiber composites and copper formate ink.
• The conductivity of the films significantly enhances, reaching levels that could compete with conventional materials.
• Assessment using cellulose nanofiber composite inks culminated in the creation of highly conductive thin films.
• Supports the potential for developing advanced electronic materials while emphasizing the need for further investigations.