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Andreas Schueler

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Publications associées (111)

Thermal solar collector with VO2 absorber coating and V1-xWxO2 thermochromic glazing – Temperature matching and triggering

Rosendo Sanjines, Andreas Schueler, Mario Geiger, Antonio Paone

Overheating is a common problem both with the use of active and passive solar energy in thermal solar energy systems and in highly glazed buildings, even in central European latitudes. In solar thermal collectors, the elevated temperatures occurring during ...

2014

Selective solar absorber coatings on receiver tubes for CSP - energy-efficient production process by sol-gel dip-coating and subsequent induction heating

Aïcha Hessler-Wyser, Jean-Louis Scartezzini, Martin Python, Andreas Schueler, Thomas Gascou, Yannik Antonetti, Martin Joly, Marina Aymara González Lazo

The energy efficiency of production processes for components of solar energy systems is an important issue. Other factors, which are important for the production of black selective solar coatings include production speed, cycle time and homogeneity of the ...

Elsevier Science Bv2014

Growth optimization of vanadium dioxide films on SiO2/Si substrates

Mihai Adrian Ionescu, Andreas Schueler, Antonio Paone, Clara-Fausta Moldovan, Wolfgang Amadeus Vitale

2014

Optical and morphological characterisation of low refractive index materials for coatings on solar collector glazing

Jean-Louis Scartezzini, Andreas Schueler, Estelle De Chambrier, Marie Schaer, Martin Joly, Stefan Mertin, Virginie Hody-Le Caër

Nanostructured coatings based on the elements Si, O, Mg, and F have been deposited as thin films by solegel dip-coating in a particle-free atmosphere. The refractive index of the prepared SiO2 and quaternary MgeFeSieO thin films has been determined from sp ...

Pergamon-Elsevier Science Ltd2013

Novel black selective coating for tubular solar absorbers based on a sol-gel method

Jean-Louis Scartezzini, Martin Python, Andreas Schueler, Thomas Gascou, Yannik Antonetti, Martin Joly, Marina Aymara González Lazo, Marina Garcia Gonzalez

Multi layered chrome-free black selective surfaces for solar thermal energy conversion were produced by a low-cost sol gel dip-coating method. The optical properties of the Cu-Co-Mn-Si-O based nanocrystalline thin films have been characterized by spectroph ...

Elsevier2013

Encapsulated Microstructures for Daylighting and Seasonal Thermal Control

Yves Leterrier, Jean-Louis Scartezzini, Andreas Schueler, André Gabriel Kostro, Rémy Teuscher, Marina Aymara González Lazo

2012

Embedded microstructures for daylighting and seasonal thermal control

Yves Leterrier, Jean-Louis Scartezzini, Andreas Schueler, André Gabriel Kostro, Mario Geiger, Marina Aymara González Lazo, Nicolas Jolissaint

A novel concept for an advanced fenestration system was studied and samples were produced to demonstrate the feasibility. The resulting novel glazing will combine the functions of daylighting, glare protection, and seasonal thermal control. Coated microstr ...

Spie-Int Soc Optical Engineering2012

New Challenges in Solar Architectural Innovation

Christophe Ballif, Yves Leterrier, Christian Roecker, Andreas Schueler, Vanessa Terrazzoni-Daudrix

2011

New challenges in solar architectural innovation

Christophe Ballif, Yves Leterrier, Christian Roecker, Jean-Louis Scartezzini, Andreas Schueler, Valentin Chapuis, Krista Susan Lumsden Friedli

Among the century’s main challenges, climate change and the need for energy sources diversification are of great importance. In this context, renewable energies undoubtedly have an important role to play. Photovoltaic (PV) electricity is especially well su ...

EPFL2011

Towards microstructured glazing for daylighting and thermal control

Jean-Louis Scartezzini, Andreas Schueler, André Gabriel Kostro, Mario Geiger

Glass is a central element to modern architecture and can cover up to 100% of a building façade. The main purpose of large glazed areas is to create bright, comfortable and healthy spaces. It was shown that increasing natural light in offices reduces sickn ...

EPFL2011

Semiconductor-metal transition in vanadium dioxide based thin films: towards “smart” solar energy materials

Andreas Schueler, Antonio Paone

2010

Bringing colours to solar collectors: a contribution to an increased building "integrability"

Christian Roecker, Andreas Schueler, Maria Cristina Munari Probst

One main obstacle to facade integration of solar thermal collectors lies in the formal characteristics and low flexibility of available products. Major problems are the black and irregular appearance of their absorbers, their low dimensional flexibility an ...

Università luav di Venezia2010

Thermochromic films of VO2:W for smart solar energy applications

Rosendo Sanjines, Jean-Louis Scartezzini, Andreas Schueler, Antonio Paone, Martin Joly

Overheating is a common problem both with the use of active and passive solar energy in thermal solar energy systems and in highly glazed buildings. In solar thermal collectors, the elevated temperatures occurring during stagnation result in reduced lifeti ...

SPIE2009

Solid State Science Special Issue: Symposium A on carbon-based nanostructured composite films Nanomaterials and Nanotechnology E-MRS Spring Meeting 2008

Andreas Schueler

2009

Optical selective coating for solar absorbers

Martin Python, Andreas Schueler, Yannik Antonetti, Martin Joly

Solar thermal energy is generally accepted as very energy efficient in providing space heating and cooling, desalination of sea water or solar thermal electricity generation. For all these applications, one of the key elements is the optical selective coat ...

EPFL2009

Modeling the absorption behavior of solar thermal collector coatings utilizing graded a-C:H/TiC layers

Andreas Schueler

Wavelength selective coatings are of common use in order to enhance the efficiency of devices heated by radiation such as solar thermal collectors. The use of suitable materials and the optimization of coating layer thicknesses are advisable ways to maximi ...

2009

Facade Integration of Solar Thermal Collectors: A Breakthrough?

Christian Roecker, Jean-Louis Scartezzini, Andreas Schueler, Estelle De Chambrier, Maria Cristina Munari Probst

One main barrier to the acceptability of façade use of solar thermal collectors is their black appearance and the visibility of piping or absorber irregularities through the glazing. To facilitate façade integration, a project was set up to develop selecti ...

2008

Monte Carlo simulations of quantum dot solar concentrators: ray tracing based on fluorescence mapping

Jean-Louis Scartezzini, Andreas Schueler, André Gabriel Kostro, Charu Datta Galande

One promising application of semiconductor nanostructures in the field of photovoltaics might be quantum dot solar concentrators. Quantum dot containing nanocomposite thin films are synthesized at EPFL-LESO by a low cost sol-gel process. In order to study ...

SPIE2008

Quantum dot containing nanocomposite thin films for phtoluminescent solar concentrators

Martin Python, Andreas Schueler, Estelle De Chambrier

Silicon oxide films containing CdS quantum dots have been deposited on glass substrates by a sol–gel dip-coating process. Hereby the CdS nanocrystals are grown during the thermal annealing step following the dip-coating procedure. Total hemispherical trans ...

2007

Facade Integration of Solar Thermal Collectors: Present and Future

Christian Roecker, Andreas Schueler, Estelle De Chambrier, Maria Cristina Munari Probst

Based on the results of a European survey on architectural integration quality, the paper presents a systematic analysis of the facade integration potential of solar thermal collectors provided by Swiss manufacturers, concentrating on glazed flat plates, u ...

EPFL2007

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