3D Printed Functionally Graded Plasmonic Constructs

Haring, Alexander P.; Khan, Assad U.; Liu, Guoliang; Johnson, Blake N.

doi:10.1002/adom.201700367

Cited by 39 publications

(36 citation statements)

References 28 publications

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“…[26] Regarding 3D printing, plasmonic hydrogel-based inks composed of poly(ethylene glycol diacrylate) and pluronic including Ag nanoparticles have been prepared to create materials with 3D-graded plasmonic properties. [27] 3D-printed gelatin-based bioinks containing gold nanorods were used to prepare functional cardiac tissue constructs. [28] Therefore, we hypothesized that the compatibility of plasmonic nanoparticles with hydrogel matrices possessing suitable printing properties should allow the creation of 3D-printed scaffolds with SERS sensing capability.…”

Section: Introductionmentioning

confidence: 99%

3D‐Printed Biocompatible Scaffolds with Built‐In Nanoplasmonic Sensors

García‐Astrain

Lenzi

Aberasturi

et al. 2020

Adv Funct Materials

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3D printing strategies have acquired great relevance toward the design of 3D scaffolds with precise macroporous structures, for supported mammalian cell growth. Despite advances in 3D model designs, there is still a shortage of detection tools to precisely monitor in situ cell behavior in 3D, thereby allowing a better understanding of the progression of diseases or to test the efficacy of drugs in a more realistic microenvironment. Even if the number of available inks has exponentially increased, they do not necessarily offer the required functionalities to be used as internal sensors. Herein the potential of surface‐enhanced Raman scattering (SERS) spectroscopy for the detection of biorelevant analytes within a plasmonic hydrogel‐based, 3D‐printed scaffold is demonstrated. Such SERS‐active scaffolds allow for the 3D detection of model molecules, such as 4‐mercaptobenzoic acid. Flexibility in the choice of plasmonic nanoparticles is demonstrated through the use of gold nanoparticles with different morphologies, gold nanorods showing the best balance between SERS enhancement and scaffold transparency. Detection of the biomarker adenosine is also demonstrated as a proof‐of‐concept toward the use of these plasmonic scaffolds for SERS sensing of cell‐secreted molecules over extended periods of time.

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Section: Introductionmentioning

confidence: 99%

3D‐Printed Biocompatible Scaffolds with Built‐In Nanoplasmonic Sensors

García‐Astrain

Lenzi

Aberasturi

et al. 2020

Adv Funct Materials

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“…The development of multiple material 3D printing capability, enabling the fabrication of composite structures with a broad range of electromagnetic properties, will open up new possibilities for novel functional structures utilising the principles of transformation optics [ 1 , 2 ], smart microwave devices, and systems possessing meta-material features [ 3 ]. Available techniques for multiple material 3D printing are mostly limited to extrusion-based and photo-solidification approaches where the printing material matrix (usually a thermoset polymer or a photoactive resin) is mixed with active particles (e.g., colour dye [ 4 , 5 ], dielectric [ 6 ] and magnetic micro-particles [ 7 , 8 ], carbon nanofibers [ 9 , 10 ], wood fibers [ 11 ], etc.) that bring the desired functionality to the final composite printed component.…”

Section: Introductionmentioning

confidence: 99%

Fabrication of Composite Filaments with High Dielectric Permittivity for Fused Deposition 3D Printing

Isakov

Grant

2017

Materials

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Additive manufacturing of complex structures with spatially varying electromagnetic properties can enable new applications in high-technology sectors such as communications and sensors. This work presents the fabrication method as well as microstructural and dielectric characterization of bespoke composite filaments for fused deposition modeling (FDM) 3D printing of microwave devices with a high relative dielectric permittivity ϵ=11 in the GHz frequency range. The filament is composed of 32 vol % of ferroelectric barium titanate (BaTiO3) micro-particles in a polymeric acrylonitrile butadiene styrene (ABS) matrix. An ionic organic ester surfactant was added during formulation to enhance the compatibility between the polymer and the BaTiO3. To promote reproducible and robust printability of the fabricated filament, and to promote plasticity, dibutyl phthalate was additionally used. The combined effect of 1 wt % surfactant and 5 wt % plasticizer resulted in a uniform, many hundreds of meters, continuous filament of commercial quality capable of many hours of uninterrupted 3D printing. We demonstrate the feasibility of using the high dielectric constant filament for 3D printing through the fabrication of a range of optical devices. The approach herein may be used as a guide for the successful fabrication of many types of composite filament with varying functions for a broad range of applications.

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“…Figure 2 shows several examples of functional structures with selective light absorption or emission. Figure 2A-C show metal nanoparticles with different sizes [22]. Silver nanoprisms exhibit higher plasmonic sensitivity than spherical nanoparticles ( Figure 2A) and have advantages for sensing and filtering applications.…”

Section: Functional Materials For 3d and 4d Printing 21 3d Printing mentioning

confidence: 99%

3D and 4D printing for optics and metaphotonics

Jeong

Lee

et al. 2020

Nanophotonics

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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.

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3D Printed Functionally Graded Plasmonic Constructs

Cited by 39 publications

References 28 publications

3D‐Printed Biocompatible Scaffolds with Built‐In Nanoplasmonic Sensors

3D‐Printed Biocompatible Scaffolds with Built‐In Nanoplasmonic Sensors

Fabrication of Composite Filaments with High Dielectric Permittivity for Fused Deposition 3D Printing

3D and 4D printing for optics and metaphotonics

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