Dresden 2017 – scientific programme

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 13: Poster: Fundamentals of Perovskite Photovoltaics (joint session CPP, DS, HL)

CPP 13.8: Poster

Monday, March 20, 2017, 18:30–21:00, P1A

Gold cluster growth kinetics at the metal-polymer interface of water-processed hybrid solar cells studied by in-situ GISAXS sputter deposition — •Adrian Haussmann¹, Volker Körstgens¹, Franziska Löhrer¹, Martin Wörle², Hristo Iglev², Reinhard Kienberger², Matthias Schwartzkopf³, Alexander Hinz⁴, Oleksandr Polonskyi⁴, Thomas Strunskus⁴, Franz Faupel⁴, Stephan V. Roth³, and Peter Müller-Buschbaum¹ — ¹TU München, Physik-Department, LS Funktionelle Materialien, James-Franck-Str. 1, 85748 Garching — ²TU München, Physik-Department, LS Laser- und Röntgenphysik, James-Franck-Str. 1, 85748 Garching — ³DESY, Notkestr. 85, 22607 Hamburg — ⁴CAU Kiel, Institut für Materialwissenschaft, Kaiserstr. 2, 24143 Kiel

In this work the metal-polymer interface between gold contact and active layer of water-processed hybrid solar cells is investigated. The active layer consists of an aqueous soluble polythiophene and laser-ablated titania nanoparticles. Gold sputter deposition is applied to the active layer. To obtain full information of gold cluster growth kinetics during sputter process, in-situ time resolved grazing incidence small angle X-ray scattering (GISAXS) experiments and grazing incidence wide angle X-ray scattering (GIWAXS) are carried out. Different growth regimes of gold clusters are observed from the GISAXS and GIWAXS data analysis and discussed.