Re- and Preconfigurable Multistable Visible Light Responsive Surface Topographies

Matthew Hendrikx; Jeroen ter Schiphorst; Ellen P.A. van Heeswijk; Gülistan Koçer; Christopher Knie; David Bléger; Stefan Hecht; Pascal Jonkheijm; Dirk J. Broer; Albertus P.H.J. Schenning

doi:10.1002/smll.201803274

Re- and Preconfigurable Multistable Visible Light Responsive Surface Topographies

Matthew Hendrikx, Jeroen ter Schiphorst, Ellen P.A. van Heeswijk, Gülistan Koçer, Christopher Knie, David Bléger, Stefan Hecht, Pascal Jonkheijm, Dirk J. Broer^* (Corresponding Author), Albertus P.H.J. Schenning (Corresponding Author)

^*Corresponding author for this work

Molecular Nanofabrication

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

Light responsive materials that are able to change their shape are becoming increasingly important. However, preconfigurable bistable or even multi-stable visible light responsive coatings have not been reported yet. Such materials will require less energy to actuate and will have a longer lifetime. Here, it is shown that fluorinated azobenzenes can be used to create rewritable and pre-configurable responsive surfaces that show multi-stable topographies. These surface structures can be formed and removed by using low intensity green and blue light, respectively. Multistable preconfigured surface topographies can also be created in the absence of a mask. The method allows for full control over the surface structures as the topographical changes are directly linked to the molecular isomerization processes. Preliminary studies reveal that these light responsive materials are suitable as adaptive biological surfaces.

Original language	English
Article number	1803274
Journal	Small
Volume	14
Issue number	50
Early online date	24 Oct 2018
DOIs	https://doi.org/10.1002/smll.201803274
Publication status	Published - 13 Dec 2018

Keywords

UT-Hybrid-D
fluorinated azobenzenes
multistable topographies
visible light responsive liquid crystal networks
configurable surface actuation

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Hendrikx_et_al-2018-SmallFinal published version, 1.87 MBLicence: CC BY

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title = "Re- and Preconfigurable Multistable Visible Light Responsive Surface Topographies",

abstract = "Light responsive materials that are able to change their shape are becoming increasingly important. However, preconfigurable bistable or even multi-stable visible light responsive coatings have not been reported yet. Such materials will require less energy to actuate and will have a longer lifetime. Here, it is shown that fluorinated azobenzenes can be used to create rewritable and pre-configurable responsive surfaces that show multi-stable topographies. These surface structures can be formed and removed by using low intensity green and blue light, respectively. Multistable preconfigured surface topographies can also be created in the absence of a mask. The method allows for full control over the surface structures as the topographical changes are directly linked to the molecular isomerization processes. Preliminary studies reveal that these light responsive materials are suitable as adaptive biological surfaces.",

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AU - ter Schiphorst, Jeroen

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AU - Koçer, Gülistan

AU - Knie, Christopher

AU - Bléger, David

AU - Hecht, Stefan

AU - Jonkheijm, Pascal

AU - Broer, Dirk J.

AU - Schenning, Albertus P.H.J.

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Re- and Preconfigurable Multistable Visible Light Responsive Surface Topographies

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Keywords

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