Abstract

Cellulose-metal oxide nanomaterials were developed the technologies to manipulate self-assembly and multi-functionallity, of new technologies to the point where industry can produce advanced and cost-competitive cellulose and lignocellulose-based materials. The present investigation focused on cellulose–silica and cellulose functionalized 3,4-dihydroxy phenyl alanine(dopamine) silica/gold nanomaterials by <i>in-situ</i> sol-gel process. The tetraethoxysilane (TEOS) and gold precursors such as tetrachloroauricacid (HAuCl<sub>4</sub>) and &gamma;- aminopropyltriethoxysilane (&gamma;-APTES) as coupling agent were used for sol-gel crosslinking process. The chemical and morphological properties of cellulose/silica and cellulose /silica-gold nanomaterials via covalent crosslinking hybrids were investigated with FTIR, XRD, SEM and TEM analysis. The results show that cellulose/silica and cellulose functionalized dopamine–silica/gold hybrids form new macromolecular structures in the size of 20 nm.

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