Covalently grafted carbon nanotube on bacterial cellulose composite for flexible touch screen application

Carbon nanotube was successfully grafted on hydroxyl group of bacterial cellulose molecule by conventional synthetic method. The purpose of incorporated carbon nanotube on bacterial cellulose was to enhance the polarization effect on its composite. The appearant peak from Fourier transform infrared at 1730 and 1350 cm−1 exhibited that chemically modified bacterial cellulose by insertion of carbon nanotube was observed. Scanning electron microscope revealed that the structure of composite was designed as 3 stacks of grafted carbon on bacterial cellulose encapsulated on both sides by resin. In addition, significant enhancement on dielectric properties can be remarkably observed, suggesting bacterial cellulose composite exhibited superiority on polarization effect and it may initially be developed as electroactive macterials.