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Part 1: Document Description
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Citation |
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Title: |
Alignment and Actuation of Liquid Crystals via 3D Confinement and Two-Photon Laser Printing [data] |
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Identification Number: |
doi:10.11588/data/CHNSX7 |
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Distributor: |
heiDATA |
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Date of Distribution: |
2024-07-02 |
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Version: |
1 |
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Bibliographic Citation: |
Hsu, Li-Yun; Gomez Melo, Santiago; Vazquez-Martel, Clara; Spiegel, Christoph A.; Ziebert, Falko; Schwarz, Ulrich S.; Blasco, Eva, 2024, "Alignment and Actuation of Liquid Crystals via 3D Confinement and Two-Photon Laser Printing [data]", https://doi.org/10.11588/data/CHNSX7, heiDATA, V1 |
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Citation |
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Title: |
Alignment and Actuation of Liquid Crystals via 3D Confinement and Two-Photon Laser Printing [data] |
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Identification Number: |
doi:10.11588/data/CHNSX7 |
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Authoring Entity: |
Hsu, Li-Yun (Institute for Molecular Systems Engineering and Advanced Materials (IMSEAM) Heidelberg University, Im Neuenheimer Feld 225, 69120 Heidelberg, Germany) |
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Gomez Melo, Santiago (Institute for Theoretical Physics, Heidelberg University, Philosophenweg 19, Heidelberg, 69120 Germany) |
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Vazquez-Martel, Clara (Institute for Molecular Systems Engineering and Advanced Materials (IMSEAM) Heidelberg University, Im Neuenheimer Feld 225, 69120 Heidelberg, Germany) |
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Spiegel, Christoph A. (Institute for Molecular Systems Engineering and Advanced Materials (IMSEAM) Heidelberg University, Im Neuenheimer Feld 225, 69120 Heidelberg, Germany) |
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Ziebert, Falko (Institute for Theoretical Physics, Heidelberg University, Philosophenweg 19, Heidelberg, 69120 Germany) |
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Schwarz, Ulrich S. (Institute for Theoretical Physics, Heidelberg University, Philosophenweg 19, Heidelberg, 69120 Germany) |
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Blasco, Eva (Institute for Molecular Systems Engineering and Advanced Materials (IMSEAM) Heidelberg University, Im Neuenheimer Feld 225, 69120 Heidelberg, Germany) |
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Grant Number: |
Excellence Cluster “3D Matter Made to Order” EXC-2082/1-390761711 |
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Grant Number: |
Carl-Zeiss-Foundation-Focus@HEiKA |
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Grant Number: |
Kekulé Fellowship |
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Distributor: |
heiDATA |
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Access Authority: |
Blasco, Eva |
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Holdings Information: |
https://doi.org/10.11588/data/CHNSX7 |
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Study Scope |
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Keywords: |
Chemistry |
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Abstract: |
Liquid crystalline (LC) materials are especially suited for the preparation of active 3D/4D microstructures using two-photon laser printing. To achieve the desired actuation, the alignment of the LCs has to be controlled during the printing process. In most cases studied to date, the alignment relied on surface modifications and therefore, complex alignment patterns and concomitant actuation were not possible. Here, we introduce a strategy for spatially aligning LC domains in three-dimensional space by utilizing 3D-printed polydimethylsiloxane-based microscaffolds as confinement barriers, which induce the desired director field. The director field resulting from the boundary conditions is calculated with Landau de Gennes theory and validated by comparing experimentally measured and theoretically predicted birefringence patterns. We demonstrate our procedures for structures of varying complexity and then employed to fabricate 4D microstructures that show the desired actuation. Overall, we obtain excellent agreement between theory and experiment. This opens the door for rational design of functional materials for 4D (micro)printing in the future. |
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Methodology and Processing |
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Sources Statement |
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Data Access |
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Other Study Description Materials |
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Label: |
Actuators.zip |
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Notes: |
application/zip |
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Label: |
Code.zip |
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Notes: |
application/zip |
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Label: |
E7-alignment.zip |
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Notes: |
application/zip |
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Mechanical_Actuation_simulation.zip |
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Notes: |
application/zip |
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Label: |
Movies.zip |
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Notes: |
application/zip |
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PDMS only.zip |
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Notes: |
application/zip |
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Label: |
PDMS-XY.zip |
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Notes: |
application/zip |
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Label: |
PDMS-XZ.zip |
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Notes: |
application/zip |