Regensburg 2016 – wissenschaftliches Programm

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 30: Poster: Organic Electronics and Photovoltaics

CPP 30.5: Poster

Dienstag, 8. März 2016, 18:15–21:00, Poster B2

Printing High Efficiency Solar Cells — •Dan Yang and Peter Müller-Buschbaum — TU München, Physik-Department, LS Funktionelle Materialien, 85748 Garching, Germany

Printing techniques hold a promising future for thin organic films. The realization of fast, low-cost and large areas manufacture lies within reach. In our work, we combine the printing technique with high power conversion efficiency (PCE) polymers to prepare organic solar cells. In the past few years, a new state-of-the-art low bandgap polymer with PCEs exceeding 7%, polythieno [3, 4-b]-thiophene-co-benzodithiophene (PTB7), has been developed as one of the most promising donor materials for organic solar cells. So far, research focused on PTB7 films prepared via spin coating to make such solar cells. In contrast, we prepare solar cells (PTB7 as donor) with printing the active layers. We measure the device function via I-V curves. In order to understand the influence of printing, we investigate the morphology of the active layers with GISAXS and the crystal orientation with GIWAXS.