Abstract
The use of natural silk nanofibers (SNFs) in flexible materials has been widely studied in recent years. However, the reported preparation methods are not suitable for commercial consideration. We report a method for rapid preparation of silk nanofibers in water. Silk nanofibers were mixed with graphene to prepare composite conductive silk films (CSF) with good flexibility and conductivity. Micro-morphology shows that graphene is embedded and modified between silk nanofibers to form a stable structure. Infrared analysis showed that graphene compounds do not alter silk formation, especially in the stable silk structure. Resistance tests show that the process is most effective when the ratio of SNFs to graphene is 1:3. This study offers a new approach to fabricating bioelectric devices.
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