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Chapitre D'ouvrage Année : 2015

Mastering Nano-Objects with Photoswitchable Molecules for Nanotechnology Applications

Résumé

Advance in the fabrication of nano-objects becomes more important for the development of new nanodevices with local properties leading to new functional devices. In this direction, the assembly of nanometer-scaled building objects into device configurations and functionalization is a promising investigated research field in nanotechnology. Optical recording and photofabrication techniques that exploit changes in material properties have gained importance, and there is a requirement for a decrease of the dimensions of the recording and processing surfaces. Photochromic materials leading to submicron structures responding to stimuli and in particular light are the best materials that exhibit multifunctional behaviors. Photomechanical properties of azopolymers show the perfect performance in photoinduced nanopatterning and reshaping by tailored light fields. Azopolymer nanostructures are then recognized as an excellent choice for a broad range of fundamental and applied research in modern nanotechnology. This chapter shows how polymer nanofilms, nanotubes, nanospheres, or nanowires containing azobenzene can be controlled by light for new photonics applications. Spatially confined excitation of unidirectional motions could make possible the local control of mechanical properties of the material and its structuration. The unprecedented flexibility of the reported photofluidization lithography with this material allows producing well-defined structures as lines, ellipsoids, rectangles, and circles at azopolymer surface with several tenth nanometers structural features.

Domaines

Chimie
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Dates et versions

hal-01393818 , version 1 (08-11-2016)

Identifiants

Citer

Régis Barille, Ewelina Ortyl, Sonia Zielinska, Jean-Michel Nunzi, Yong Zhao. Mastering Nano-Objects with Photoswitchable Molecules for Nanotechnology Applications. Organic Nanophotonics: Fundamentals and Applications, Springer, pp.159-179, 2015, Nano-Optics and Nanophotonics, 978-3-662-45081-9. ⟨10.1007/978-3-662-45082-6_7⟩. ⟨hal-01393818⟩
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