Electrochemical studies of cellulose matrices : absorption, diffusion, reactivity & detection

TL;DRAbstract

Electrochemical techniques are used to investigate a variety of novel and natural cellulose materials. Novel cellulose architectures are formed using electrodeposition of cellulose microfibrils (from spruce tree) and by the layer-by-layer deposition or solvent casting of cellulose nanofibrils (from sisal). Pure cellulose (with a crystal structure of cellulose-I) constitutes the majority of all architectures, however additional properties were incorporated via the addition of polymers (polydiallyldimethylammonium chloride, chitosan), nanoparticles (TiO2) or binding molecules (boronic acid dendrimer). Cotton fabric, a natural form of cellulose, was also investigated via the physical attachment to the electrode surface of graphite flake modified cotton samples using a course lycra membrane. All samples are characterised using a combination of scanning electron microscopy, atomic force microscopy and small and wide angle x-ray scattering. The absorption, diffusion and detection of charged

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