Fraunhofer Institute for Microstructure of Materials and Systems IWMS

Halle (Saale), Germany

Fraunhofer Institute for Microstructure of Materials and Systems IWMS

Halle (Saale), Germany
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Lach R.,Polymer Service GmbH Merseburg | Satapathy B.K.,Friedrich - Schiller University of Jena | Satapathy B.K.,Indian Institute of Technology Delhi | Weidisch R.,Fraunhofer Institute for Microstructure of Materials and Systems IWMS | And 4 more authors.
Macromolecular Symposia | Year: 2017

Based on results of atomic force microscopy and dynamic mechanical analysis applied on binary blends of polystyrene (PS)–poly­butadiene (PB) star block copolymers (ST3) having different compositions, a three-phase morphology that comprises PB-rich, PS/PB-mixed and PS-rich phase has been found. The pronounced enhancement of toughness in blends with 20–30 wt.-% PS homopolymer compared to pure ST3 can be understood by improvement of the stress transfer between the microdomains through the additional hPS-induced interfacial PS/PB-mixed volume fraction and the co-continuous morphology. © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim


Sprafke A.,Martin Luther University of Halle Wittenberg | Piechulla P.,Martin Luther University of Halle Wittenberg | Schneevoigt D.,Martin Luther University of Halle Wittenberg | Bub F.,Martin Luther University of Halle Wittenberg | And 8 more authors.
Optics InfoBase Conference Papers | Year: 2014

Photonic crystals provide new concepts for light management. Here, we fabricate 3DPCs via spray coating, which is a fast, cheap, and scalable technique, and apply them as backside structures in solar cells and solar modules. © OSA 2016.

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