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Frank Nüesch

Cette personne a quitté l’EPFL

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Publications associées (85)

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Towards industrialization of perovskite solar cells using slot die coating

Frank Nüesch, Jakob Heier

Carbon-based hole transport layer-free carbon mesoscopic perovskite solar cells (MPSCs) are considered to be cell architectures with high potential for commercialization, due to their enhanced stability. In the standard process for large area and module fa ...

Royal Society of Chemistry2020

On the Response Speed of Narrowband Organic Optical Upconversion Devices

Frank Nüesch, Surendra Babu Anantharaman, Matthias Diethelm, Wei-Hsu Hu

Organic upconversion devices (OUCs) consist of an organic infrared photodetector and an organic visible light-emitting diode (OLED), connected in series. OUCs convert photons from the infrared to the visible and are of use in applications such as process c ...

WILEY-V C H VERLAG GMBH2022

How to Make Elastomers Piezoelectric?

Frank Nüesch, Francis Owusu

Piezoelectrics play a significant role in modern electronics and electric devices. Thermal or mechanical stress on such materials induces a change in polarization generating an electric response, which is the sole effect of why they are so interesting. How ...

Wiley2023

Light Scattering Enhancement at the Absorption Edge in Dewetting Droplets of Cyanine Dyes

Frank Nüesch, Jakob Heier, Florent Alexandre Boudoire

Diffraction properties of thin films of dewetted cyanine dye droplets are investigated and related to the complex refractive index. Strong changes in the index of refraction are often found near the absorption edge of organic dyes. Within a small window of ...

Wiley-V C H Verlag Gmbh2017

Strongly Red-Shifted Photoluminescence Band Induced by Molecular Twisting in Cyanine (Cy3) Dye Films

Frank Nüesch, Jakob Heier, Surendra Babu Anantharaman

Cyanine dye molecules, used as monomers or in aggregate form, find interesting applications in optoelectronic devices. Among the various aggregate species incorporating organic dyes, centrosymmetric dimers are known as nonluminescent. They can act as excit ...

American Chemical Society2017

A Universal Approach for Room-Temperature Printing and Coating of 2D Materials

Frank Nüesch

Processing 2D materials into printable or coatable inks for the fabrication of functional devices has proven to be quite difficult. Additives are often used in large concentrations to address the processing challenges, but they drastically degrade the elec ...

Wiley-V C H Verlag Gmbh2021

Gravure printed Ag/conductive polymer electrodes and simulation of their electrical properties

Frank Nüesch, Jakob Heier, René Uwe Schneider

In this paper, some practical issues related to the manufacturing, and design criteria related to the application in devices of a hybrid silver grid/poly (3,4-ethylenedioxythiophene) semi-transparent electrode are discussed. The electrodes are fabricated b ...

SPRINGER LONDON LTD2019

Two-Dimensional Transition Metal Carbides and Nitrides (MXenes): Synthesis, Properties, and Electrochemical Energy Storage Applications

Frank Nüesch, Jakob Heier, Sina Abdolhosseinzadeh

A family of 2D transition metal carbides and nitrides known as MXenes has received increasing attention since the discovery of Ti3C2 in 2011. To date, about 30 different MXenes with well-defined structures and properties have been synthesized, and many mor ...

2020

Spiropyran-based supramolecular elastomers with tuneable mechanical properties and switchable dielectric permittivity

Frank Nüesch

Silicone elastomers are widely used in various applications, each demanding different properties and functionalities. To be used in such a broad spectrum, silicones with easily tunable or switchable properties are needed. We showed this is achievable with ...

ROYAL SOC CHEMISTRY2024

Synthesis of polar polynorbornenes with high dielectric relaxation strength as candidate materials for dielectric applications

Frank Nüesch

Materials with high dielectric permittivity and dielectric relaxation strength are sought for thermal and pressure sensors and electrical energy generators. However, most polymers have either too low dielectric permittivity or are so polar that their glass ...

ROYAL SOC CHEMISTRY2022

Functional Ink Formulation for Printing and Coating of Graphene and Other 2D Materials: Challenges and Solutions

Frank Nüesch, Jakob Heier, Sina Abdolhosseinzadeh, Mohammad Jafarpour

The properties of 2D materials are unparalleled when compared to their 3D counterparts; many of these properties are a consequence of their size reduction to only a couple of atomic layers. Metallic, semiconducting, and insulating types can be found and fo ...

WILEY2022

Multifunctional SnO2 QDs/MXene Heterostructures as Laminar Interlayers for Improved Polysulfide Conversion and Lithium Plating Behavior

Frank Nüesch, Mohammad Jafarpour, Shungui Deng

Poor cycling stability in lithium-sulfur (Li-S) batteries necessitates advanced electrode/electrolyte design and innovative interlayer architectures. Heterogeneous catalysis has emerged as a promising approach, leveraging the adsorption and catalytic perfo ...

SHANGHAI JIAO TONG UNIV PRESS2024

Stable MXene Dough with Ultrahigh Solid Fraction and Excellent Redispersibility toward Efficient Solution Processing and Industrialization

Shungui Deng, Frank Nüesch, Jakob Heier

Two-dimensional (2D) transition metal carbides, and/or nitrides, so-called MXenes, have triggered intensive research interests in applications ranging from electrochemical energy storage to electronics devices. Producing these functional devices by printin ...

WILEY2023

Mild synthesis of mercaptonitriles from vinyl nitriles and their cyclization reactions

Frank Nüesch, Antonia Neels

Thiol-ene addition of thioacetic acid A is widely used in the synthesis of thiols from vinyl precursors, but so far has not been conducted on non-conjugated vinyl nitriles. The challenge when vinyl nitriles are used is to selectively conduct the thiol-ene ...

Royal Soc Chemistry2016

A polyphosphazene elastomer containing 2,2,2-trifluoroethoxy groups as a dielectric in electrically responsive soft actuators

Frank Nüesch, Cansu Zeytun Karaman

The adaptive structure and excellent actuation of dielectric elastomer actuators (DEAs) make them promising candidates for soft robotics, haptic interfaces and artificial muscles. A wide variety of elastomers have been synthesised and investigated as diele ...

Royal Society of Chemistry2024

Superweak Coordinating Anion as Superstrong Enhancer of Cyanine Organic Semiconductor Properties

Frank Nüesch, Jakob Heier, Antonia Neels, Donatas Gesevicius

The superweak tetrakis(nonafluoro-tert-butoxy)aluminate coordinating anion was employed to introduce pseudo-gas-phase conditions to the 2-[5-(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)-1,3-pentadien-1-yl]-1,3,3-trimethyl-3H-indolium chromophore. The r ...

2018

Ultrathin organic transistors on oxide surfaces

Frank Nüesch, Libero Zuppiroli, Marie-Noëlle Bussac, Michel Schär, Adrian von Mühlenen

We have built a model organic field-effect transistor that is basically composed of a single layer of pentacene crystal in interaction with an oxide surface. Drain and source contacts are ohmic so that the pentacene layer can carry a current density as hig ...

Deutsche Physikalische Gesellschaft & IOP Publishing Ltd2005

Exploiting supramolecular assemblies for filterless ultra-narrowband organic photodetectors with inkjet fabrication capability

Frank Nüesch, Jakob Heier, Surendra Babu Anantharaman, Matthias Diethelm

Narrowband photodetectors are useful for a myriad of applications involving color discrimination as well as biological imaging and machine vision. Prevalent devices use broadband light absorbing materials in conjunction with electric (charge collection nar ...

Royal Society of Chemistry2019

Comparison between nucleation of pentacene monolayer islands on polymeric and inorganic substrates

Frank Nüesch, Libero Zuppiroli

We present a comparative study of the nucleation and growth of pentacene monolayer islands in the submonolayer regime onto inorganic substrates of SiO2 and sapphire (Al2O3) and organic substrates of poly(methyl-metacrylate) ...

2005

Doping-induced charge trapping in organic light-emitting devices

Frank Nüesch, Libero Zuppiroli, Detlef Berner, Michel Schär

By using pyran-containing donor-acceptor dyes as doping molecules in organic light-emitting devices (OLEDs), we scrutinize the effects of charge trapping and polarization induced by the guest molecules in the electro-active host material. Laser dyes 4-(dic ...

Wiley-VCH2005