Physicochemical characterization of different cellulose polymorphs/graphene oxide composites and their antibacterial activity

Authors : Sherif Mohamed Abdel Salam KESHK, İbrahim Sayed YAHIA

Pages : 562-571

View : 21 | Download : 9

Publication Date : 0000-00-00

Article Type : Research Paper

Abstract :In order to investigate the interaction of graphene oxide insert ignore into journalissuearticles values(GO); with different cellulose polymorphs insert ignore into journalissuearticles values(I and II);, we synthesized cellulose insert ignore into journalissuearticles values(I and II);/GO composites using the sonication method. Interestingly, no new peaks were observed in the FT-IR pattern of the cellulose insert ignore into journalissuearticles values(I and II);/GO composites, indicating that no chemical reactions took place between GO and cellulose. The X-ray diffraction patterns of cellulose I and II/GO composites were slightly different than those observed for cellulose I and II, indicating that some physical interactions occurred between the GO and cellulose. Unexpectedly the $d$-spacing values and the diffraction plane at the high-angle side were most likely expanded in cellulose I rather than in cellulose II by adding GO, confirming the highest reactivity of GO toward cellulose I rather than cellulose II. Furthermore, SEM images showed that the conformal coating of GO on cellulose I was larger than that on cellulose II due to the strong adhesion between the GO and cellulose I. Cellulose/GO showed antimicrobial properties, and GO was found to be promising for textile antimicrobial finishing.
Keywords : Cellulose I and II, graphene oxide, X ray diffractometer, composite, antibacterial activity