Abstract
A literature review on ultrathin films of cellulose is presented. The review focuses on different deposition methods of the films—all the way from simple monocomponent films to more elaborate multicomponent structures—and the use of the film structures in the vast realm of materials science. The common approach of utilizing cellulose thin films as experimental models is therefore omitted. The reader will find that modern usage of cellulose thin films constitutes an exciting emerging area within materials science and it goes far beyond the traditional usage of the films as model systems.
Highlights
Ultrathin films represent an important category of modern materials
The trimethylsilyl cellulose (TMSC) solution can be effortlessly utilized in both LB deposition and spin coating and, once the film is cast, it can be hydrolyzed to cellulose by exposing it to fumes of aqueous HCl solution, as shown in the pioneering effort by Schaub et al (1993) (Figure 3A)
Concerning patterned cellulose layers created by masking and selective regeneration, microspotting was used to deposit a further layer on top (e.g., carboxymethyl cellulose (CMC) or cationic polysaccharides) in order to alter the surface for biomolecule immobilization
Summary
Ultrathin films (thickness
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