Materials Literature
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Abstract:\t \nPolyvinyl chloride (PVC) usage has gained a huge popularity among other polymers in industries, building sites, electrical, mechanical and household materials. The areas in which polyvinyl chloride (PVC) materials are needed, will determine the type of polyvinyl chlorides (PVCs) to be employed. This thes…
Isolatoren für gasisolierte Systeme für die Hochspannungs-Gleichstrom-Übertragung (HGÜ) sind anderen Feldverhältnissen ausgesetzt als in Wechselspannungsanlagen. Insbesondere die Ansammlung von Ladungen an der Grenzfläche Gas-Isolator führt in der Praxis zu erheblichen Einschränkungen in der elektrischen Festigkeit. B…
El ensamblado de nanotubos de carbono (CNT) como una fibra macroscópica en la cual están orientados preferentemente paralelos entre sí y al eje de la fibra, ha dado como resultado un nuevo tipo de fibra de altas prestaciones derivadas de la explotación eficiente de las propiedades axiales de los CNTs, y que tiene un g…
With their nanometer size cross-section and high aspect ratio, semiconducting nanowires have properties that make them promising as building blocks in future electronic and optoelectronic devices. Because of their small size, their optical and electrical properties can differ from their bulk counterparts, and their ge…
The present dissertation evaluates the design, characterization and potential applications of functional supramolecular gel-materials. Gels have attracted tremendous scientific interest as they can be obtained from natural sources or derive from readily available building blocks by facile preparation methods. They hav…
Structured photonic materials are typically composed of periodic subwavelength elements where the unit cell geometries can impact the overall optical characteristics of the bulk material. By using micro and nanofabrication technologies it is possible to engineer the electromagnetic properties of structured photonic ma…
Correction for ‘Recent advances in crosslinking chemistry of biomimetic poly(ethylene glycol) hydrogels’ by Chien-Chi Lin et al. , RSC Adv. , 2015, 5 , 39844–39853.
The combinatorial high throughput method allows one to rapidly study a large number of samples with systematically changing parameters. We apply this method to study Fe-Co-V alloys as alternatives to rare-earth permanent magnets. Rare-earth permanent magnets derive their unmatched magnetic properties from the hybridiz…
Correction for ‘Quantitative in situ TEM tensile fatigue testing on nanocrystalline metallic ultrathin films’ by Ehsan Hosseinian, et al., Nanoscale, 2013, 5, 12532–12541.
In spite of considerable achievements in the field of cancer research over the past years, the early detection and treatment of cancer is still desirable. Advanced biodiagnostic nanotechnology has been developed rapidly recently, nevertheless there remains great room for improvement through a better design of nanopart…
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas. Programa de Pós-Graduação em Química, Florianópolis, 2015.
Correction for 'Wound healing properties of hyaluronan derivatives bearing ferulate residues' by Giuseppe Valacchi et al., J. Mater. Chem. B, 2015, DOI: .
Nanosheets have potential applications in a wide range of fields. Besides the well-known graphene nanosheets, metal-oxide nanosheets are very promising as well. The nanosheets are obtained via exfoliation of their corresponding layered parent-compounds. The exfoliation process is considered to be slow (weeks), but rec…
The aim of this thesis was to compare the efficiency of different algal combinations in heavy metals removal from wastewater using algae-based photo-bioreactors. Twelve different strains of algae were divided into four groups and were introduced into twenty-four photo-bioreactor bottles: twelve contained wastewaters o…
Bulk silicon as an indirect bandgap semiconductor is a poor light emitter. In contrast, silicon nanocrystals (Si NCs) exhibit strong emission even at room temperature, discovered initially at 1990 for porous silicon by Leigh Canham. This can be explained by the indirect to quasi-direct bandgap modification of nano-siz…
In this thesis, vibrational and electronic high resolution electron energy loss spectroscopy (HREELS) in addition with temperature programmed desorption spectroscopy (TPD) were employed in order to investigate the adsorption and electronic properties of different functional organic molecules on metal and semi-metal su…
Funktionalisierte Oberflächen sind in vielen Bereichen, z. B. als Haftvermittler in Polymerkompositen, für katalytische Anwendungen oder als Sensoren von Interesse. Für viele solcher Anwendungen ist es ausreichend, den verwendeten Werkstoff mit einem ultradünnen Polymerfilm zu überziehen. Dazu gibt es bislang einige V…
Microorganisms, mainly bacteria and fungi, are key agents involved in the breakdown and decomposition of plant and animal polymers in ecosystems. The aim of this research project was to study the mechanisms of degradation of four complex substrates; keratin, pectin, alginate and chitin. In this study, keratinophylic f…
In view of the extensive use of Cr as a grain growth inhibitor in WC-Co cemented carbides this thesis comprises a combined experimental and ab initio study of a number of critical issues pertaining to phase equilibria of the subsystems to the W-Co-Cr-C system. To be able to predict which of the stable Cr-carbides form…
This project aim was to replace petroleum-based plastic packaging materials that pollute the environment, with biodegradable starch-based polymer composites. It was demonstrated that untreated sugar cane bagasse microfibres and unbleached nanofibres significantly improved the physical, mechanical and chemical properti…