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Blue Light-Emission from a Nanostructured Organic Polymer Semiconductor

Publications associées (32)

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Transient electronics for edible neuroprosthetics

Diego Ghezzi, Laura Ferlauto, Paola Vagni

Transient electronics is a recent challenging research field aiming at the realization of functional electronic devices able to disappear in a controlled and predefined manner. Amongst different applications, biomedical devices based on transient technolog ...

2017

Mixed interlayers at the interface between PEDOT:PSS and conjugated polymers provide charge transport control

Wolfgang Richard Tress, Jun Li, Mina Jung

Poly(3,4-ethylenedioxythiophene)-poly(styrenesulphonate) (PEDOT:PSS) is the most used organic hole injecting or hole transporting material. The hole carrying matrix PEDOT is highly doped by the acidic dopant PSS. When coated onto a substrate, PEDOT: PSS ma ...

Royal Society of Chemistry2015

Light absorption in 1D and 2D nanostructured organic semiconductors

Damien Rolland

Organic photovoltaics will be one of the corner stones in solving the increasing world's energy demand issue. For this reason, a better understanding of the detailed mechanisms involved in energy conversion in the employed nanostructured materials is still ...

EPFL2015

Dual-Color Electroluminescence from Dot-in-Bulk Nanocrystals

Christophe Marcel Georges Galland

The emission color from colloidal semiconductor nanocrystals (NCs) is usually tuned through control of particle size, while multicolor emission is obtained by mixing NCs of different sizes within an emissive layer. Here, we demonstrate that recently introd ...

Amer Chemical Soc2014

Spin processes and charge dynamics in organic light emitting diodes

Francesco Comandè

In this thesis work we explore spin dependent processes and charge dynamics in α-NPD/Alq₃ based LEDs. Studies on polymer light emitting diodes based on PFO, which are fabricated by us, are also reported. Our objective is to shed light on the fundamental me ...

EPFL2014

The fabrication of small molecule organic light-emitting diode pixels by laser-induced forward transfer

Laser-induced forward transfer (LIFT) is a versatile organic light-emitting diode (OLED) pixel deposition process, but has hitherto been applied exclusively to polymeric materials. Here, a modified LIFT process has been used to fabricate small molecule Alq ...

Amer Inst Physics2013

Synthesis of Functional Polyesters via Baylis-Hillman Polymerization

Sanhao Ji

Aliphatic polyesters receive increasing attention over the last years driven by their application as biodegradable substitutes for conventional commodity thermoplastics and applications in the biomedical field, where amongst the family of biodegradable pol ...

EPFL2011

A novel class of coherent light emitters: polariton lasers

Nicolas Grandjean, Raphaël Butté

The specificities of polariton lasers-a new generation of coherent light-emitting devices where the relaxation of the bosonic quasiparticles responsible for the light emission, the polaritons, is stimulated whereas the photon emission process issued from t ...

2011

New Approaches towards Organic Photodetection and Bio-Integration

Diego Ghezzi

Organic semiconductors technology has only recently started to merge with biology and medicine, especially in the field of polymeric coatings as protective layers for artificial devices. Very few examples, however, report the use of semiconducting polymers ...

2010

Polymer multilayer photonic micro- and nanostructures with tailored spectral properties

Amazing and beautiful optical effects are present in Nature. Some examples are the iridescent colors produced by peacocks, butterflies and beetles. While the simulations of some of these structures have already been realized, only a few elements have been ...

Institut de Microtechnique, Université de Neuchâtel2008