A study on higly conductive and biodegradable polymer composites based on carbon nanotubes and cellulose.
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초록
내용
Recently, lots of attention has been focused on the development of biodegradble flexible conductive matearial for future potential applications. In particular, carbon nanotubes (CNTs) have been utilized an emerging carbon-based conductor due to their special electrical and physical characteristics. However, aligned randomly in a large amount, aggregation is severe and it is difficult to ensure uniformity. Therefore, this study attempted to overcome this by using the uniquely aligned network structure of biodegradable natural polymer, cellulose. Cellulose and CNT were mixed in an aqueous solution to obtain a well-dispersed composite without aggregation of CNTs, which showed high electrical conductivity over 100 S cm-1. Aqueous solution-based process and regenerable biodegradable conductive composite in this work can become practical conducting materials in various future electronic applications.