Special Issue "Cellulose Nanocrystals-Based Materials: Optical Properties and Applications"
A special issue of Nanomaterials (ISSN 2079-4991).
Deadline for manuscript submissions: 25 February 2021.
Interests: nanophotonics; neural networks; nanocellulose; scanning probe microscopy
The tight control of the nanoproducts obtained from cellulose destructuring paved the way to several fascinating applications of these materials. The possibility to isolate nanostructured cellulose building blocks with tunable dimensions (ranging from true nanocrystals up to microfibers) have been exploited in several applications: from the tuning of material structural properties to the synthesis of responsive systems and the development of drug delivery systems, to cite a few.
Compared to many other materials used for similar purposes, the use of cellulose nanocrystals (CNC) has several attractive aspects:
1) Cellulose is a renewable source. Thus, it enables a green chemistry approach to developing functional materials;
2) Cellulose nanocrystals (CNC) can be obtained as by-products from a number of industrial processes (i.e., paper, food, textiles). This fact makes it possible to fabricate high-added-value products from industrial scraps and enables a truly circular economy;
3) The chemical inertness of CNC makes it possible to separate and recover them even from complex mixtures them while maintaining their purity.
The development of materials with tailored optical properties requires high control over both physical and chemical properties. In this respect, CNC are of interest since they show high transparency in the visible range, they permit a careful control over their surface chemistry (particularly surface charge density), and they show reproducible shape. In turn, these parameters are used to modulate the interactions among CNC as well as those with external interfaces.
Since the discovery that CNC solutions self-assemble to form birefringent materials, several uses of CNC-based materials in optics have been demonstrated, and this Special Issue will collect contributions aimed at demonstrating that the research of CNC-based materials is lively and continuously innovating. We welcome manuscripts in the form of full papers, communications, and reviews. Potential topics include, but are not limited to:
- CNC-based nanomaterials synthesis with peculiar optical properties;
- Analysis specifically addressing the optical characterization of CNC materials;
- Novel nanotextured/nanostructured surfaces with desired optical response;
- Optical sensors based on CNC materials.
Prof. Paolo Bettotti
Manuscript Submission Information
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- cellulose nanocrystals
- optical properties
- optical sensors