A simple method for quantifying spectral impacts on multi-junction solar cells (2009)
Peharz, G., Siefer, G., Bett, A.W.
A method to quantify spectral effects on the electric parameters of multi-junction solar cells is presented. The method is based on measuring the short circuit current of at least two monitor cells....
Outdoor evaluation of FLATCON® modules and systems (2008)
Bett, A.W., Jaus, J., Peharz, G., Siefer, G., Hakenjos, A., Heile, I., ...
This paper reviews outdoor performance measurements conducted on FLATCON® modules and systems. It highlights the influence of spectra, humidity, temperature, and acceptance angle on the module...
Spectrometric outdoor characterization of CPV modules using isotype monitor cells (2008)
Peharz, G., Siefer, G., Araki. K., Bett, A.W.
In this paper we present a method to investigate the impact of the solar spectrum on the output parameters of a CPV module equipped with triple-junction solar cells. The changes of the sun´s...
Second stage reflective and refractive optics for concentrator photovoltaics (2008)
Jaus, J., Nitz, P., Peharz, G., Siefer, G., Schult, T., Siefer, G., ...
In this paper we report on research activities at the Fraunhofer Institute for Solar Energy Systems (ISE) in the area of secondary optics for concentrator modules. The underlying module technology is...
Life cycle assessment of the concentrating photovoltaic system FLATCON. (2008)
Matzer, R., Peharz, G., Patyk, A., Dimroth, F., Bett, A.W.
Advances in Energy Studies 2008 : Towards an Holistic Approach Based on Science and Humanity ; Workshop, Graz, A, June 29 - July 2, 2008
Heat sink substrates for automated assembly of concentrator modules (2006)
Jaus, J., Fleischfresser, U., Peharz, G., Dimroth, F., Lerchenmüller, H., Bett, A.W.
Hydrogen production in a PV concentrator using III-V multi-junction solar cells (2006)
Dimroth, F., Peharz, G., Wittstadt, U., Hacker, B., Bett, A.W.
Multi-junction solar cells from III-V compound semiconductors can generate ideal voltages for the electrolysis of water. This paper presents results of a PV-concentrator HyConreg with...
The FLATCON® concentrator pv-technology ready for the market (2005)
Bett, A.W., Siefer, G., Baur, C., Riesen, S.V., Peharz, G., Lerchenmüller, H., ...
Diplomarbeit an der Karl-Franzens-Universität Graz, Institut für Aerodynamik und Gasdynamik (IAG). In Zusammenarbeit mit dem Fraunhofer-Institut für Solare Energiesysteme -ISE-, Freiburg.