4.Keynote –Functional wood materials

Lignocellulosic resources have sparked growing scientific interest given their renewable nature and CO2 storage capacity. Wood, the most abundant natural lignocellulosic biomass on earth, provides manifold opportunities to utilize its excellent properties. Its hierarchical structure, bridging from the nanoscale of cell wall components to the integrative level of the stem of trees, can be utilized […]

4.Invited – Wood Nano-structure Regulation Toward New Functional Materials

Wood-based materials have been explored by humans for a long time. However, their applications in some cutting-edge fields remain limited due to their inhomogeneous structure and mediocre performances. In our previous studies, we developed various methods to modify wood cell wall structure, including delignification, in-situ dissolution and regeneration of cellulose nanofibers, cellulose crystalline regulation, nanomaterials […]

4.3 Hierarchical wood structures for smart and functional materials

Wood is a hierarchically structural material with highly porous characteristics. However, it has not targeted on structural design in precise nanostructured control of the wood cell wall, which could extend the multiple functionalities range. Recently, emerging nanotechnologies have been explored the great potentials of wood to smart and functional materials. Wood nanotechnologies and cell wall […]

4.2 Nanoscale infrared spectroscopy studies of wood-based materials

A nanoscale chemical characterization of wood and cellulose-based materials is of crucial importance to improve our understanding about how these materials are constructed and how we can modify them and improve their performance. Quite recently such studies have become possible with the technique Infrared nanospectroscopy, a combination of atomic force microscopy (AFM) and infrared (IR) […]

4.1 Superstructured wood-based carbon materials for broadband light absorption

Light is an abundant resource; however, stray light can significantly impact the performance and longevity of optical systems. Adverse effects such as reduced image contrast and signal degradation highlight the need for advanced solutions to effectively mitigate these challenges. Superblack materials, with near-zero light reflectance, are in high demand to enhance several light-based technologies. We […]

P4.1 – Mild production of holocellulose fibres with high hemicellulose content

Lignocellulosic fibres are attractive materials that can replace traditional fossil-based alternatives due to their superior mechanical, thermal, and chemical properties. These fibers are biological materials precisely organized from the nano to the macroscale to fulfill their biological functions, providing stability and strength against mechanical and osmotic stress to plant cells. However, the production of lignocellulosic […]

P4.2 – Unveiling the Nanoscale Structure of Wood Derived Materials with Infrared Nanospectroscopy

Infrared (IR) nanospectroscopy, with a lateral resolution of 20 nm, has been utilized to investigate the chemical composition of wood cell walls, bleached pulp, cellulose nanofibrils (CNF filaments), films and wood-based aerogels. This high-resolution technique enables the acquisition of detailed infrared spectra and spatially resolved chemical maps, allowing precise characterization of cell wall layers, some […]

P4.4 – Stiffness- switchable wood via solvent-induced phase transition for structural thermal management materials

Phase change material (PCMs) are increasingly valued for storing and releasing renewable thermal energy, benefiting sustainable domains of energy-efficient construction, electronics, and cold chain logistics, etc. Conventional PCMs often confront formability and mechanical limitations above the melting temperatures of PCMs, hindering their suitability for structural thermal management materials to accommodate intricate geometries. In this work, […]

P4.6 – Wood surface charring by electromagnetic radiation heating

The long-term durability of wood, especially in an outside area, requires a proper preservation treatment. Among the various modern wood modification techniques, (acetylation, furfurylation,  silicification), thermal treatment at 180-250 °C in low-oxygen conditions, known as thermally modified timber (TMT), is likely the least environmentally problematic option. However, TMT is compromised by reduced structural integrity due […]

P4.5 – Impact of Delignification on the Hydrovoltaic Performance of Wood Energy Harvesting Systems

Efficient water-based energy harvesting is gaining attention due to its potential for sustainable electricity generation. Among various hydrovoltaic technologies, evaporation-induced electricity generation is particularly promising, as it utilizes spontaneous water evaporation without requiring external stimuli. Wood, with its hierarchical porous structure and water transport properties, has emerged as a potential material for hydrovoltaic applications. However, […]