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SKM 2023 – wissenschaftliches Programm

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 13: Composites and Functional Polymer Hybrids

CPP 13.1: Hauptvortrag

Montag, 27. März 2023, 15:00–15:30, ZEU 255

Nanocomposites and polymer thin films: from gas phase synthesis to functional applications — •Franz Faupel, Stefan Schröder, Alexander Vahl, Salih Veziroglu, Cenk Aktas, and Thomas Strunskus — Chair for Multicomponent Materials, Faculty of Engineering, Kiel University, Kiel, Germany

Highly filled particulate metal-dielectric nanocomposites films have unique functional properties with hosts of applications. To explore collective interactions between the particles, we control the particle separation on the nm scale by employing vapor phase deposition, which is a scalable approach permitting, inter alia, excellent control of the filling factor. For deposition of functional polymer thin films, we have recently used initiated chemical vapor deposition (iCVD) to avoid decomposition of the functional groups. Examples include highly stable electrets for electret microphones and magnetoelectric sensors, 3D superhydrophobic coatings, nanoscale gradient copolymers, and strain-invariant conductors for soft robotics. For the fabrication of the nanocomposites, the nanoparticles can form during gas phase co-deposition via self-organization or by means of high-rate gas aggregation cluster sources, which provide independent control of filling factor and size as well as in situ monitoring and control of composition. Recent examples of nanocomposites range from plasmonic meta-materials through photoswitchable molecular plasmonic systems to memristors and memsensors for neuromorphic electronics. We also explored nanoscale synergetic effects of plasmonics and photocatalysis, e.g. for photoinduced enhanced Raman spectroscopy (PIERS).

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