High-Resolution 3D Direct Laser Writing for LiquidCrystalline Elastomer Microstructures

Year: 2014

Authors: Zeng H., Martella D., Wasylczyk P., Cerretti G., Lavocat JCG., Ho CH., Parmeggiani C., Wiersma DS

Autors Affiliation: Univ Florence, European Lab Non Linear Spect LENS, I-50019 Sesto Fiorentino, Italy;
CNR INO, I-50019 Sesto Fiorentino, Italy;
Univ Florence, Dipartimento Chim Ugo Schiff, I-50019 Sesto Fiorentino, Italy;
Univ Warsaw, LENS, PL-00681 Warsaw, Poland;
Univ Warsaw, Fac Phys, Inst Expt Phys, PL-00681 Warsaw, Poland

Abstract: The paper describes 3D structures made of liquid-crystalline elastomer (LCE) – rings, woodpiles, etc. – fabricated by two-photon absorption direct laser writing with sub-micrometer resolution while maintaining the desired molecular orientation. These results lay the foundations for creating 3D, micrometer-sized, light-controlled LCE structures.

Journal/Review: ADVANCED MATERIALS

Volume: 26 (15)      Pages from: 2319  to: 2322

More Information: The research leading to these results has received funding from the IIT SEED project Microswim and the European Research Council under the European Union\’s Seventh Framework Programme (FP7/2007-2013)/ERC grant agreement no. [291349] on photonic microrobotics. J.-C. G. L., and C.-H. H. were supported by the Erasmus Mundus Doctorate Program Europhotonics (Grant No. 159224-1-2009-1-FR-ERA MUNDUS-EMJD and the EM Action 1 Joint Programmes project no. 2010-0001 -001/001-Europhotonics EMJD respectively).
KeyWords: Alignment; Azobenzene; Crystalline materials; Elastomers; Intelligent materials; Plastics; Three dimensional; Two photon processes, 3D Structure; Direct laser writing; High resolution; Liquid-crystalline elastomers; Submicrometer resolution; Two-photon absorptions, Liquids
DOI: 10.1002/adma.201305008

Citations: 167
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