Engineering polymers with improved charge transport properties from bithiophene-containing polyamides

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Publications associées (31)

Semiaromatic Polyamides and Copolyamides Comprising Kinked Repeating Units

Julien Philippe Cretenoud

The replacement of metals with polymer-based materials is considered to be key to reducing weight, cost, and cycle times in different technological applications, including the automotive and aerospace industries. Semiaromatic polyamides are particularly at ...

EPFL2018

Functional composites with damage control and repair

Amaël Maximilien Cohades

Fibre Reinforced Polymer (FRP) composite structures are subjected during service to low energy impacts or unexpected loads, leading to damage. Microcracks are generally first formed in the matrix and can reach up to several hundred microns in thickness. In ...

EPFL2018

Long-lived Photo-Charges in 1D Helical Organic Semiconductor Nanostructures

Regina Judith Hafner

The formation of photoexcited states in organic semiconductors, their separation into long-lived or stable charge carriers, as well as the charge transport are critical processes relevant to several important research fields and emerging technologies. Whil ...

EPFL2018

Morphology and interfacial strength of nonisothermally fusion bonded hard and soft thermoplastics

Pierre-Etienne Bourban, Rajasundar Chandran

Nonisothermally fusion bonded butt joints were prepared by overmolding thermoplastic elastomers (TPEs) onto isotactic polypropylene (iPP) inserts in order to investigate the effect of processing conditions on the bond strength and interfacial microstructur ...

2018

Equilibrium and Out-of-Equilibrium Adherence of Hydrogels against Polymer Brushes

Costantino Creton, Jennifer Mary Adrienne Alice Macron

At low pH, underwater adherence between poly(N,N-dimethylacrylamide) hydrogels and poly(acrylic acid) brushes is due to the formation of multiple hydrogen bonds. The effect of the key parameters controlling the formation of these interactions (contact time ...

American Chemical Society2018

High-temperature copolyamides obtained by the efficient transamidation of crystalline-crystalline polyamide blends

John Christopher Plummer, Véronique Michaud, Holger Frauenrath, Sylvain Cyril Claude Galland

High-performance thermoplastic composites based on semiaromatic polyamides are prime candidates for metal replacement in lightweight structural applications. However, the low ductility and toughness of semiaromatic polyamides remain major obstacles to thei ...

Wiley-Blackwell2017

All natural cork composites with suberin-based polyester and lignocellulosic residue

Véronique Michaud, Hugo De Oliveira

Suberin is an aromatic-aliphatic cross-linked polyester structure which constitutes cell wall structures of cork. It is particularly interesting for its use of monomeric compounds towards renewable bio-based polymers. In this study, the extraction of suber ...

Elsevier2017

Hybrid Processing of Thermoplastic Based Multimaterials

Rajasundar Chandran

There is a growing interest in exploring novel material combinations and processing technology to manufacture complex 3D shaped polymer and composite structures. In the field of prosthetics and orthotics, this need is significant with additional challenges ...

EPFL2017

Synthesis and Characterisation of Semiaromatic Polyamides Comprising Benzofurobenzofuran Repeating Units

Rosario Scopelliti, Anne-Clémence Corminboeuf, Julien Philippe Cretenoud, Holger Frauenrath, Alberto Fabrizio, Farzaneh Fadaei Tirani, Bilal Özen, Thomas Schmaltz, Daniel Görl

Semiaromatic polyamides are attractive engineering polymers owing to their outstanding thermo-mechanical properties. To expand the scope of semiaromatic polyamides by additional optoelectronic features, one may consider the incorporation of extended pi-con ...

2017

On-Surface Assembly and Reactions of Organic Molecules in Ultra-High Vacuum

Claudius Morchutt

This thesis comprises the study of two types of 2D materials, those stabilized by non-covalent and those by covalent interactions. They are synthesized and studied on well-defined metallic surfaces in ultra-high vacuum (UHV). The self-assembly of terephtha ...

EPFL2016

Tailoring self-assembly and optoelectronic properties of organic semiconductors via macromolecular engineering

Andrea Gasperini

Conjugated polymers and small molecules are a promising class of semiconducting materials for application in macroelectronic and energy conversion devices. The development of high performance devices employing this class of semicrystalline materials ultima ...

EPFL2016

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