Berlin 2008 – wissenschaftliches Programm

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HL: Fachverband Halbleiterphysik

HL 41: Organic semiconductors

HL 41.3: Vortrag

Donnerstag, 28. Februar 2008, 15:30–15:45, ER 270

Polymer solar cell modules: first experimental results and their optimization — •Harald Hoppe¹, Burhan Mushin¹, Joachim Renz¹, Karl Heinz Drüe², Jonas Bachmann³, Claudia Buerhop-Lutz³, Ingo Riedel⁴, Vladimir Dyakonov⁴, and Gerhard Gobsch¹ — ¹Institute of Physics, Ilmenau University of Technology, Weimarer Str. 32, 98693 Ilmenau, Germany — ²Electronic Technology, Institute of Micro- and Nanotechnologies, Ilmenau University of Technology, Gustav-Kirchhoff-Str. 7, 98693 Ilmenau, Germany — ³ZAE BAYERN, Thermosensorik und Photovoltaik, Am Weichselgarten 7, 91058 Erlangen, Germany — ⁴ZAE BAYERN, Funktionsmaterialien der Energietechnik, Am Hubland, 97074 Würzburg, Germany

Polymer solar cell modules based on the standard polymer-fullerene system of to-date, P3HT-PCBM, have been prepared and characterized. We have observed only a loss of ca. 20% when up scaling the active area of the solar cell by a factor somewhat larger than 10. A solar cell efficiency of 3% and a module efficiency of 1.9%, relating to the total area, are reported. The route for further optimization of module performance is discussed based on analysing the existing loss factors within this material system. We made thermographic measurements on the modules and identified parasitic shunts.