Recent Advances in the Additive Manufacturing of Stimuli‐Responsive Soft Polymers

Advanced Engineering Materials, Journal Year: 2023, Volume and Issue: 25(21)

Published: Aug. 29, 2023

Stimuli‐responsive polymers (SRPs) are special types of soft materials, which have been extensively used for developing flexible actuators, robots, wearable devices, sensors, self‐expanding structures, and biomedical thanks to their ability change shapes functional properties in response external stimuli including light, humidity, heat, pH, electric field, solvent, magnetic field or combinations two more these stimuli. In recent years, additive manufacturing (AM) aka 3D printing technology SRPs, also known as 4D printing, has gained phenomenal attention different engineering fields, its unique develop complex, personalized, innovative undergo twisting, elongating, swelling, rolling, shrinking, bending, spiraling, other complex morphological transformations. Herein, an effort made provide insightful information about the AM techniques, type applications including, but not limited tissue engineering, bionics, construction, smart textiles. This article incorporates current challenges prospects, hoping basis utilization this fields. It is expected that amalgamation with SRPs would unparalleled advantages arenas.

Language: Английский

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3D printing of magneto-active smart materials for advanced actuators and soft robotics applications

European Polymer Journal, Journal Year: 2024, Volume and Issue: 205, P. 112718 - 112718

Published: Jan. 2, 2024

In the contemporary era, novel manufacturing technologies like additive (AM) have revolutionized different engineering sectors including biomedical, aerospace, electronics, etc. Four-dimensional (4D) printing aka AM of smart materials is gaining popularity among scientific community, which has excellent ability to make soft structures such as robots, actuators, and grippers. These are developed by applying various stimuli pH, temperature, magnetic field, many combinations onto materials. Stimuli in 3D permit shape-morphing behaviors bending, twisting, folding, swelling, rolling, shrinking, origami, or locomotion. A wide variety can be fabricated through incorporation hard particles into resulting magneto-active (MASMs). With this integration, magneto-thermal coupling actuation allows diverse magneto-deformations, facilitating development personalized devices that capable enhanced deformation. review, guidelines provided on for MASMs polymers (MAPs), composites, hydrogels (MAHs) booming flexible wearable biomimetic devices. Moreover, 3D-printed robotics an outstanding capacity adapt complicated situations advanced actuating applications. Finally, some current challenges emerging areas exciting technology been proposed. Lastly, it anticipated technological advancements developing intelligent will a significant impact design real-world

Language: Английский

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Ultrafast Laser Direct Writing Nanogratings and their Engineering in Transparent Materials

Laser & Photonics Review, Journal Year: 2024, Volume and Issue: 18(9)

Published: May 9, 2024

Abstract Femtosecond laser direct writing is a powerful technique for fabricating micro‐nano devices as it can modify the interior of transparent optical materials in spatially selective manner through nonlinear multi‐photon absorption. In this context, laser‐induced nanogratings, i.e., sub‐wavelength assembly nanolayers (≈20 nm width, ≈200 period), are ultrashort self‐organized structures created by light bulk materials. These have been intensively explored over last two decades opening novel era micro photonic due to their unique physicochemical properties, like orientable form birefringence, anisotropic scattering, highly chemical etching, chirality, and extraordinary thermal stability. This review provides throughout overview advances field, specifically focused on formation properties that be exploited various solids, related main applications. Also, fundamental characteristics, mechanism, tuning methods nanogratings reviewed.

Language: Английский

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The physics of 3D printing with light

Nature Reviews Physics, Journal Year: 2023, Volume and Issue: 6(2), P. 99 - 113

Published: Dec. 12, 2023

Language: Английский

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Gold Nanoparticles in Nanobiotechnology: From Synthesis to Biosensing Applications

ACS Omega, Journal Year: 2024, Volume and Issue: 9(28), P. 29966 - 29982

Published: July 5, 2024

Nanobiotechnology has ushered in a new era of scientific discovery where the unique properties nanomaterials, such as gold nanoparticles, have been harnessed for wide array applications. This review explores nanoparticles' synthesis, properties, and multidisciplinary applications, focusing on their role biosensors. Gold nanoparticles possess exceptional physicochemical attributes, including size-dependent optical biocompatibility, ease functionalization, making them promising candidates development biosensing platforms. The begins by providing comprehensive overview nanoparticle synthesis techniques, highlighting advantages disadvantages various approaches. It then delves into remarkable that underpin success biosensing, localized surface plasmon resonance enhanced area. discussion also includes functionalization strategies enable specific binding to biomolecules, enhancing sensitivity selectivity gold-nanoparticle-based Furthermore, this surveys diverse applications encompassing diagnostics, environmental monitoring, drug delivery. nature these underscores versatility potential addressing complex challenges healthcare science. emphasizes pressing need further exploration research field nanobiotechnology, particularly regarding nanoparticles. With attributes versatile functionalities, present avenue science, it imperative advance our understanding capabilities broader innovation.

Language: Английский

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Advances in information processing and biological imaging using flat optics

Nature Reviews Electrical Engineering, Journal Year: 2024, Volume and Issue: 1(6), P. 391 - 411

Published: May 28, 2024

Language: Английский

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The Second Laser Revolution in Chemistry: Emerging Laser Technologies for Precise Fabrication of Multifunctional Nanomaterials and Nanostructures

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(40)

Published: July 26, 2024

Abstract The use of photons to directly or indirectly drive chemical reactions has revolutionized the field nanomaterial synthesis resulting in appearance new sustainable laser chemistry methods for manufacturing micro‐ and nanostructures. incident radiation triggers a complex interplay between physical processes at interface solid surface liquid gas environment. In such multi‐parameter system, precise control over nanostructures is not possible without deep understanding both environment‐affected processes. present review intends provide detailed systematization these surveying well‐established emerging technologies production advanced nanomaterials. Both gases liquids are considered as potential reacting environments affecting fabrication process, while subtractive additive analyzed. Finally, prospects applications discussed.

Language: Английский

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Two-photon polymerization lithography for imaging optics

International Journal of Extreme Manufacturing, Journal Year: 2024, Volume and Issue: 6(4), P. 042002 - 042002

Published: March 20, 2024

Abstract Optical imaging systems have greatly extended human visual capabilities, enabling the observation and understanding of diverse phenomena. Imaging technologies span a broad spectrum wavelengths from x-ray to radio frequencies impact research activities our daily lives. Traditional glass lenses are fabricated through series complex processes, while polymers offer versatility ease production. However, modern applications often require lens assemblies, driving need for miniaturization advanced designs with micro- nanoscale features surpass capabilities traditional fabrication methods. Three-dimensional (3D) printing, or additive manufacturing, presents solution these challenges benefits rapid prototyping, customized geometries, efficient production, particularly suited miniaturized optical devices. Various 3D printing methods demonstrated advantages over counterparts, yet remain in achieving resolutions. Two-photon polymerization lithography (TPL), technique, enables intricate structures beyond diffraction limit via nonlinear process two-photon absorption within liquid resin. It offers unprecedented abilities, e.g. alignment-free fabrication, prototyping almost arbitrary nanostructures. In this review, we emphasize importance criteria performance evaluation devices, discuss material properties relevant TPL, techniques, highlight application TPL imaging. As first panoramic review on topic, it will equip researchers foundational knowledge recent advancements optics, promoting deeper field. By leveraging its high-resolution capability, extensive range, true processing, alongside advances materials, design, envisage disruptive solutions current promising incorporation future applications.

Language: Английский

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Frontiers of Laser‐Based 3D Printing: A Perspective on Multi‐Photon Lithography

Laser & Photonics Review, Journal Year: 2024, Volume and Issue: 18(7)

Published: March 26, 2024

Abstract Lasers are instrumental in enabling precise processing and fostering the development of new technologies. Particularly, ultrafast lasers, due to their unique interaction with matter, can achieve not only exceptional spatial precision but also meticulously determine degree modification. A prime example this is laser‐based 3D printing through multi‐photon lithography (MPL). This approach remarkably enables true structures at micro‐ nanoscale, without need for masks or cumbersome tools, simply by using computer‐aided designs. Owing these capabilities, MPL has emerged as a powerful manufacturing technique across various multidisciplinary fields. The ongoing growth MPL's utilization led notable advancements highly complex on different substrates, well improvements resolution throughput, novel photosensitive materials, which impressively facilitated expansion into broader fields over last few years. In perspective article, aim highlight recent trends MPL. current challenges will be explored, addressed ensure its further integration advanced Additive Manufacturing nanoscale. future perspectives opportunities discussed.

Language: Английский

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Meta-device: advanced manufacturing

Deleted Journal, Journal Year: 2024, Volume and Issue: 5(1), P. 117 - 117

Published: Jan. 1, 2024

Metasurfaces are one of the most promising devices to break through limitations bulky optical components. By offering a new method light manipulation based on light-matter interaction in subwavelength nanostructures, metasurfaces enable efficient amplitude, phase, polarization, and frequency derive series possibilities for important applications. However, key challenge realization applications meta-devices is how fabricate large-scale, uniform nanostructures with high resolution. In this review, we review state-of-the-art nanofabrication techniques compatible manufacture meta-devices. Maskless lithography, masked other highlighted detail. We also delve into constraints current fabrication methods while providing some insights solutions overcome these challenges advanced nanophotonic

Language: Английский

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