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Time-Resolved Plasmonics used to On-Line Monitor Metal/Elastomer Deposition for Low-Voltage Dielectric Elastomer Transducers

Topper, Tino and Lorcher, Samuel and Deyhle, Hans and Osmani, Bekim and Leung, Vanessa and Pfohl, Thomas and Mueller, Bert. (2017) Time-Resolved Plasmonics used to On-Line Monitor Metal/Elastomer Deposition for Low-Voltage Dielectric Elastomer Transducers. Advanced Electronic Materials, 3 (8). p. 1700073.

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Official URL: http://edoc.unibas.ch/56112/

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Abstract

Compliant hetero-nanostructures provide access to nano-photonics, flexible electronics, and artificial muscles. These nanometer-thin polymers and metals are regularly predicated on molecular beam deposition-a technique that leads reliably to homogeneous films and enables the precise in situ monitoring of forming nanostructures. Herein, it is demonstrated that spectroscopic ellipsometry can be used to on-line monitor film formation with a sub-nanometer resolution and the evolution of the related optical properties of the hetero-nanostructure. The data recorded include plasmonic fingerprints of Au islands as well as film formation on self-assembled polydimethylsiloxane (PDMS). Bi-functionalized thiol-PDMS, tailored for thermal deposition, serves as a self-assembled adhesion layer for Au electrodes. Suppressed localized plasmonic activity indicates the formation of a homogeneous Au film on thiol-PDMS and wrinkled Cr/PDMS, contrary to the well-known establishment of Au islands on bare PDMS. The tailored hetero-nanostructures based on Au/thiol-PDMS and Au on wrinkled Cr/PDMS adhesion layers enable the fabrication of stretchable electronics and low-voltage dielectric elastomer sensors and actuators for artificial muscles and tunable optics.
Faculties and Departments:03 Faculty of Medicine > Departement Biomedical Engineering > Biomechanics and Biomaterials
03 Faculty of Medicine > Departement Biomedical Engineering > Imaging and Computational Modelling > Biomaterials Science Center (Müller)
UniBasel Contributors:Pfohl, Thomas
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Wiley
e-ISSN:2199-160X
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:06 Oct 2017 09:11
Deposited On:06 Oct 2017 09:11

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