Photo Switchable 4D Printing Remotely Controlled Responsive and Mimetic Deformation Shape Memory Polymer Nanocomposites

Shiwei Feng; Xuelin Peng; Jingjing Cui; Ruiqi Feng; Yongding Sun; Yunlong Guo; Zhe Lu; Weizi Gao; Fukang Liu; Chen Liang; Guang Hu; Biao Zhang

doi:10.1002/adfm.202401431

Photo Switchable 4D Printing Remotely Controlled Responsive and Mimetic Deformation Shape Memory Polymer Nanocomposites

Shiwei Feng, Xuelin Peng, Jingjing Cui, Ruiqi Feng, Yongding Sun, Yunlong Guo, Zhe Lu, Weizi Gao, Fukang Liu, Chen Liang, Guang Hu, Biao Zhang

Institute of Flexible Electronics

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

8 Scopus citations

Abstract

Photo-triggered shape morphing structures can be found in myriads of areas. Utilizing light as a switch can effectively control and regulate the precise deformation of structures. However, the integration of photo-switching functions in shape-morphing structures with complex geometries remains a challenge. Here, photoswitchable digital light processing based 4D printing high-resolution and highly complex geometries, based on UV curable WO_2.9 nanoparticle doped shape memory polymer nanocomposites is reported, which are highly deformable (stretchability up to ≈1000% at rubbery state) and fatigue resistant (repeatedly loaded >1200 times at ambient temperature). The presence of just trace WO_2.9 nanoparticles (<0.20 wt.‰) contributes to the controlled photothermal property of nanocomposite via selective absorption of light, which enables reversibly photoswitchable (>50 times), spatial and remote control of 4D printing shape morphing structures. These findings offer a promising approach to expanding the applications of photo-triggered shape-morphing structures.

Original language	English
Article number	2401431
Journal	Advanced Functional Materials
Volume	34
Issue number	28
DOIs	https://doi.org/10.1002/adfm.202401431
State	Published - 10 Jul 2024

Keywords

4D printing
digital light processing
photoswitchable
remote control
shape memory polymer nanocomposite
WO nanoparticles

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10.1002/adfm.202401431

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title = "Photo Switchable 4D Printing Remotely Controlled Responsive and Mimetic Deformation Shape Memory Polymer Nanocomposites",

abstract = "Photo-triggered shape morphing structures can be found in myriads of areas. Utilizing light as a switch can effectively control and regulate the precise deformation of structures. However, the integration of photo-switching functions in shape-morphing structures with complex geometries remains a challenge. Here, photoswitchable digital light processing based 4D printing high-resolution and highly complex geometries, based on UV curable WO2.9 nanoparticle doped shape memory polymer nanocomposites is reported, which are highly deformable (stretchability up to ≈1000% at rubbery state) and fatigue resistant (repeatedly loaded >1200 times at ambient temperature). The presence of just trace WO2.9 nanoparticles (<0.20 wt.‰) contributes to the controlled photothermal property of nanocomposite via selective absorption of light, which enables reversibly photoswitchable (>50 times), spatial and remote control of 4D printing shape morphing structures. These findings offer a promising approach to expanding the applications of photo-triggered shape-morphing structures.",

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AU - Feng, Shiwei

AU - Peng, Xuelin

AU - Cui, Jingjing

AU - Feng, Ruiqi

AU - Sun, Yongding

AU - Guo, Yunlong

AU - Lu, Zhe

AU - Gao, Weizi

AU - Liu, Fukang

AU - Liang, Chen

AU - Hu, Guang

AU - Zhang, Biao

PY - 2024/7/10

Y1 - 2024/7/10

N2 - Photo-triggered shape morphing structures can be found in myriads of areas. Utilizing light as a switch can effectively control and regulate the precise deformation of structures. However, the integration of photo-switching functions in shape-morphing structures with complex geometries remains a challenge. Here, photoswitchable digital light processing based 4D printing high-resolution and highly complex geometries, based on UV curable WO2.9 nanoparticle doped shape memory polymer nanocomposites is reported, which are highly deformable (stretchability up to ≈1000% at rubbery state) and fatigue resistant (repeatedly loaded >1200 times at ambient temperature). The presence of just trace WO2.9 nanoparticles (<0.20 wt.‰) contributes to the controlled photothermal property of nanocomposite via selective absorption of light, which enables reversibly photoswitchable (>50 times), spatial and remote control of 4D printing shape morphing structures. These findings offer a promising approach to expanding the applications of photo-triggered shape-morphing structures.

AB - Photo-triggered shape morphing structures can be found in myriads of areas. Utilizing light as a switch can effectively control and regulate the precise deformation of structures. However, the integration of photo-switching functions in shape-morphing structures with complex geometries remains a challenge. Here, photoswitchable digital light processing based 4D printing high-resolution and highly complex geometries, based on UV curable WO2.9 nanoparticle doped shape memory polymer nanocomposites is reported, which are highly deformable (stretchability up to ≈1000% at rubbery state) and fatigue resistant (repeatedly loaded >1200 times at ambient temperature). The presence of just trace WO2.9 nanoparticles (<0.20 wt.‰) contributes to the controlled photothermal property of nanocomposite via selective absorption of light, which enables reversibly photoswitchable (>50 times), spatial and remote control of 4D printing shape morphing structures. These findings offer a promising approach to expanding the applications of photo-triggered shape-morphing structures.

KW - 4D printing

KW - digital light processing

KW - photoswitchable

KW - remote control

KW - shape memory polymer nanocomposite

KW - WO nanoparticles

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Photo Switchable 4D Printing Remotely Controlled Responsive and Mimetic Deformation Shape Memory Polymer Nanocomposites

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