Dresden 2020 – wissenschaftliches Programm

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PLV: Plenarvorträge


PLV III: Plenarvortrag

Montag, 16. März 2020, 14:00–14:45, HSZ 01

Functional Three Dimensional Mesostructures as Bioelectronic Interfaces — •John Rogers — Northwestern University, Evanston, IL, USA

Complex, three dimensional (3D) assemblies of nanomaterials provide sophisticated, essential functions in even the most basic forms of life. Compelling opportunities exist for analogous 3D structures in man-made devices, but existing design options are highly constrained by comparatively primitive capabilities in fabrication and growth. A recent collection of advanced concepts in thin film physics, materials science and mechanical engineering provide broad access to diverse, highly engineered classes of 3D architectures in diverse classes of functional materials and devices, with characteristic dimensions that range from nanometers to centimeters and over areas that span square centimeters or more. The approach relies on geometric transformation of preformed two dimensional (2D) precursor micro/nanostructures and/or devices into extended 3D layouts by controlled processes of substrate-induced compressive thin film buckling, where the bonding configurations, thickness distributions and other parameters control the final configurations. This talk reviews the key physics concepts associated with this scheme, and focuses on the most recent developments with example applications at the bio-interface.

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DPG-Physik > DPG-Verhandlungen > 2020 > Dresden