Creation of Wood-derived Porous Materials with Tailorable Flow Channels and Their Applications for Solar Vapor Generator

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In the second year, this research focused on the following two parts: (1) creating wood-derived porous materials with effective light and air transportability for transparent personal protective equipment, and (2) refining and enriching the research findings about a porous cellulose nanopaper with high water vapor transportability and skin adhesion for on-skin electronics that were found in the first year. The details are as follows.In the first part, a porous nanopaper with high light and air transportability was successfully prepared by using TEMPO-oxidized cellulose nanofibers and the solvent-exchange method, providing a possibility for the application of transparent personal protective equipment.In the second part, a skin-adhesive cellulose nanopaper with attractive characteristics such as high water vapor transportability, reusability, sterilizability, wrinkle-durability, and efficient thermal transmission was found to be a promising substrate material for on-skin nanopaper electronics.These research findings were reported in a domestic conference and a peer-reviewed international journal article (published by Advanced Materials Interfaces), with another manuscript under preparation.