A5031569689- Advanced Cellulose Research Studies
- Electrospun Nanofibers in Biomedical Applications
- Polysaccharides and Plant Cell Walls
- Natural Fiber Reinforced Composites
- Nanocomposite Films for Food Packaging
- Fiber-reinforced polymer composites
- biodegradable polymer synthesis and properties
- Advanced Sensor and Energy Harvesting Materials
- Lignin and Wood Chemistry
- Mechanical Behavior of Composites
- Carbon Nanotubes in Composites
- Supercapacitor Materials and Fabrication
- Advanced Materials and Mechanics
- Surface Modification and Superhydrophobicity
- Electrohydrodynamics and Fluid Dynamics
- Calcium Carbonate Crystallization and Inhibition
- Polymer crystallization and properties
- Advanced MRI Techniques and Applications
- Conducting polymers and applications
- Bone Tissue Engineering Materials
- Wood Treatment and Properties
- Graphene research and applications
- Bamboo properties and applications
- Silk-based biomaterials and applications
- Advanced Neuroimaging Techniques and Applications
University of Bristol
2017-2025
National Composites Centre
2007-2025
At Bristol
2018-2020
University of Exeter
2011-2018
Queens University
2018
University of Manchester
2005-2016
Physical Sciences (United States)
2016
Phillips Exeter Academy
2015
University of Leeds
2004-2010
Adolphe Merkle Institute
2010
Experimental deformation micromechanics of natural cellulose fibers using Raman spectroscopy and X-ray diffraction have been widely reported. However, little has published on the direct measurements mechanical properties, in particular elastic modulus, highly crystalline material native state. Here we report modulus tunicate a spectroscopic technique. A dispersed sample is deformed four-point bending test, shift characteristic band (located at 1095 cm-1) used as an indication stress...
This review covers the production, structure, properties and applications of nanowhiskers cellulose. It is shown that these can be generated, from various plant sources, with transverse dimensions as small 3–30 nm, giving a high surface to volume ratio. Since are rod-like, it how they self-assembled into chiral nematic liquid crystalline structures, not only in solution, but also dry state. The production thin films cellulose nanowhiskers, by spin coating combination polymer electrolytes,...
New biomimetic, stimuli-responsive mechanically adaptive nanocomposites, which change their mechanical properties upon exposure to water and display a water-activated shape-memory effect, were investigated. These materials produced by introducing rigid cotton cellulose nanowhiskers (CNWs) into rubbery polyurethane (PU) matrix. A series of with CNW concentrations 2–20% v/v was solution blending CNWs the PU. Films subsequently prepared compression molding. The introduction led an increase...
Turning wood into honeycombs Wood is an attractive material for structural applications, but it usually works best as boards or sheets. Xiao et al . have developed a process engineering hardwood that allows these sheets to be manipulated complex structures (see the Perspective by Tajvidi and Gardner). The key manipulate cell wall structure shrinking blasting open fibers vessels drying “water-shocking” them. This creates window wherein can without ripping tearing. Honeycomb, corrugated, other...
Abstract This review paper provides a recent overview of current international research that is being conducted into the functional properties cellulose as nanomaterial. A particular emphasis placed on fundamental and applied undertaken to generate applications, which are now becoming real prospect given developments in field over last 20 years. short introduction covers context work, definitions different forms nanomaterials (CNMs) most widely studied. We also address terminology used for...
Abstract Sodium‐ion batteries (SIBs) and potassium‐ion (PIBs) are prospective candidates for large‐scale energy storage systems cause of their abundant resources. However, unsatisfactory rate cycling performance carbon‐based anodes present a bottleneck the applications SIBs/PIBs due to large sizes sodium/potassium ions. Herein, oxygen‐doped vertically aligned carbon aerogels (VCAs) with hierarchically tailored channels synthesized as in via controllable unidirectional ice‐templating...
Energy harvesting textiles have emerged as a promising solution to sustainably power wearable electronics. Textile-based solar cells (SCs) interconnected with on-body electronics meet such needs. These technologies are lightweight, flexible, and easy transport while leveraging the abundant natural sunlight in an eco-friendly way. In this Review, we comprehensively explore working mechanisms, diverse types, advanced fabrication strategies of photovoltaic textiles. Furthermore, provide...
The application of theoretical models to describe the structure types fibrous network produced by electrospinning polymers for use in tissue engineering and a number other applications is presented. Emphasis placed on formal analyses pore size distribution porosities that one would encounter with such structures nature their relationships structural characteristics likely be important performance nanofibrous materials. considered result from interactions between randomly straight rods...
The stiffness of 10 nm diameter cellulose nanowhiskers is reported. These whiskers are produced by acid hydrolysis. dispersed in epoxy resin and placed on the surface a beam same material deformed tension compression using four-point bending device. By following molecular deformation Raman spectroscopy it shown that, theoretical models their dispersion matrix reinforcement, can be derived. effects debonding, yielding, buckling also discussed this method as means for studying nanocomposite materials.
The deformation micromechanics of bacterial cellulose (BC) and microfibrillated (MFC) networks have been investigated using Raman spectroscopy. spectra both BC MFC exhibit a band initially located at ≈ 1095 cm(-1). We used the intensity this as function rotation angle specimens to study fibril orientation in networks. also change peak's wavenumber position with applied tensile probe stress-transfer behavior these cellulosic materials. did not significantly angle, indicating an in-plane 2D...
Multiwalled carbon nanotube (MWNT)/cellulose composite nanofibers have been prepared by electrospinning a MWNT/cellulose acetate blend solution followed deacetylation. These were then used as precursors for (CNFs). The effect of nanotubes on the stabilization precursor and microstructure resultant CNFs investigated using thermogravimetric analysis, transmission electron microscopy Raman spectroscopy. It is demonstrated that incorporated MWNTs reduce activation energy oxidative cellulose from...