Bioinspired Electro‐Thermo‐Hygro Reversible Shape‐Changing Materials by 4D Printing

Duigou, Antoine Le; Chabaud, Guillaume; Scarpa, Fabrizio; Castro, Mickaël

doi:10.1002/adfm.201903280

Cited by 79 publications

(79 citation statements)

References 36 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…As‐prepared products can change from their temporary structures to the initial configurations when exposed to a high temperature environment. Besides motivated by heat, in recent years, 4D printed structures driven by electricity, [ 22,23 ] magnetism, [ 24 − 26 ] pH, [ 27,28 ] solvent, [ 29 − 31 ] light, [ 32,33 ] and biological signals [ 34 ] have also appeared. Although tremendous efforts have been paid in this field, all above‐mentioned 4D printed matters can only show shape‐changing demonstrations, regardless of their changes in properties and the functionality.…”

Section: Introductionmentioning

confidence: 99%

A Material Combination Concept to Realize 4D Printed Products with Newly Emerging Property/Functionality

Zhang

et al. 2020

Advanced Science

View full text Add to dashboard Cite

4D printing is a newly emerging technique that shows the capability of additively manufacturing structures whose shape, property, or functionality can controllably vary with time under external stimuli. However, most of the existing 4D printed products only focus on the variation of physical geometries, regardless of controllable changes of their properties, as well as practical functionality. Here, a material combination concept is proposed to construct 4D printed devices whose property and functionality can controllably vary. The 4D printed devices consist of conductive and magnetic parts, enabling the integrated devices to show a piezoelectric property even neither part is piezoelectric individually. Consequently, the functionality of the devices is endowed to transfer mechanical to electrical energy based on the electromagnetic introduction principle. The working mechanism of 4D printed devices is explained by a numerical simulation method using Comsol software, facilitating further optimization of their properties by regulating diverse parameters. Due to the self‐powered, quick‐responding, and sensitive properties, the 4D printed magnetoelectric device could work as pressure sensors to warn illegal invasion. This work opens a new manufacturing method of flexible magnetoelectric devices and provides a new material combination concept for the property‐changed and functionality‐changed 4D printing.

show abstract

Section: Introductionmentioning

confidence: 99%

A Material Combination Concept to Realize 4D Printed Products with Newly Emerging Property/Functionality

Zhang

et al. 2020

Advanced Science

View full text Add to dashboard Cite

show abstract

“…Based on multi-material 3D printing, there have been various studies on multi-functional structures and sequentially deforming or actuating structures [15][16][17][18]. For example, Le Duigou et al fabricated a bio-inspired electro-thermo-hygro reversible shape-changing structure using a hygroscopic polyamide matrix and continuous carbon fibers [19]. Mao et al fabricated sequential selffolding structures using different shape-memory polymers (SMPs) [20].…”

Section: Printing Methodsmentioning

confidence: 99%

3D and 4D printing for optics and metaphotonics

Jeong

Lee

et al. 2020

Nanophotonics

View full text Add to dashboard Cite

AbstractThree-dimensional (3D) printing is a new paradigm in customized manufacturing and allows the fabrication of complex optical components and metaphotonic structures that are difficult to realize via traditional methods. Conventional lithography techniques are usually limited to planar patterning, but 3D printing can allow the fabrication and integration of complex shapes or multiple parts along the out-of-plane direction. Additionally, 3D printing can allow printing on curved surfaces. Four-dimensional (4D) printing adds active, responsive functions to 3D-printed structures and provides new avenues for active, reconfigurable optical and microwave structures. This review introduces recent developments in 3D and 4D printing, with emphasis on topics that are interesting for the nanophotonics and metaphotonics communities. In this article, we have first discussed functional materials for 3D and 4D printing. Then, we have presented the various designs and applications of 3D and 4D printing in the optical, terahertz, and microwave domains. 3D printing can be ideal for customized, nonconventional optical components and complex metaphotonic structures. Furthermore, with various printable smart materials, 4D printing might provide a unique platform for active and reconfigurable structures. Therefore, 3D and 4D printing can introduce unprecedented opportunities in optics and metaphotonics and may have applications in freeform optics, integrated optical and optoelectronic devices, displays, optical sensors, antennas, active and tunable photonic devices, and biomedicine. Abundant new opportunities exist for exploration.

show abstract

“…At the same time, when compared with other materials that respond to humidity with the same effect, the actuator speed is increased by 10 times. The schematic diagram of the change of the actuator under different relative humidity conditions at 23°C is shown in Figure 13 A ( Le Duigou et al., 2019 ). The researches highlight that these actuators have a wide range of applications in the field of soft robots.…”

Section: Bioinspired Applications From Gradient Organismsmentioning

confidence: 99%

Progress in Bioinspired Dry and Wet Gradient Materials from Design Principles to Engineering Applications

Dong

Hong

et al. 2020

iScience

View full text Add to dashboard Cite

Summary Nature does nothing in vain. Through millions of years of revolution, living organisms have evolved hierarchical and anisotropic structures to maximize their survival in complex and dynamic environments. Many of these structures are intrinsically heterogeneous and often with functional gradient distributions. Understanding the convergent and divergent gradient designs in the natural material systems may lead to a new paradigm shift in the development of next-generation high-performance bio-/nano-materials and devices that are critically needed in energy, environmental remediation, and biomedical fields. Herein, we review the basic design principles and highlight some of the prominent examples of gradient biological materials/structures discovered over the past few decades. Interestingly, despite the anisotropic features in one direction (i.e., in terms of gradient compositions and properties), these natural structures retain certain levels of symmetry, including point symmetry, axial symmetry, mirror symmetry, and 3D symmetry. We further demonstrate the state-of-the-art fabrication techniques and procedures in making the biomimetic counterparts. Some prototypes showcase optimized properties surpassing those seen in the biological model systems. Finally, we summarize the latest applications of these synthetic functional gradient materials and structures in robotics, biomedical, energy, and environmental fields, along with their future perspectives. This review may stimulate scientists, engineers, and inventors to explore this emerging and disruptive research methodology and endeavors.

show abstract

Bioinspired Electro‐Thermo‐Hygro Reversible Shape‐Changing Materials by 4D Printing

Cited by 79 publications

References 36 publications

A Material Combination Concept to Realize 4D Printed Products with Newly Emerging Property/Functionality

A Material Combination Concept to Realize 4D Printed Products with Newly Emerging Property/Functionality

3D and 4D printing for optics and metaphotonics

Progress in Bioinspired Dry and Wet Gradient Materials from Design Principles to Engineering Applications

Contact Info

Product

Resources

About