Aerosol Jet Printing: Challenges and Advances in Aerosol Jet Printing of Regenerated Silk Fibroin Solutions (Adv. Mater. Interfaces 12/2020)

Xiao, Yuhan; Kalaitzidou, Kyriaki; Yao, Donggang; Yeo, Woon‐Hong; Harris, Tequila A. L.

doi:10.1002/admi.202070065

Cited by 4 publications

(6 citation statements)

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“…Therefore, research has focused on deposition technologies that can guarantee high quality materials but with lower economic costs [233,234,238,[244][245][246][247]; currently, inkjet printing and aerosol jet printing are candidates satisfying such requirements, since a variety of promising cases have been collected in literature [248][249][250]. Aerosol jet printing (AJP) is especially interesting thanks to the possibility of using almost any material dispersed in a liquid phase [251][252][253]. In Sections 3.2, 3.3, and 4.3.1, the deposition technologies mainly used for TEGs fabrication are briefly described along with examples, with a particular focus on AJP.…”

Section: Magnetron Sputteringmentioning

confidence: 99%

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Thermoelectric Materials and Applications: A Review

d’Angelo,

Galassi,

Lecis

2023

Energies

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Solid-state energy conversion has been established as one of the most promising solutions to address the issues related to conventional energy generation. Thermoelectric materials allow direct energy conversion without moving parts and being deprived of greenhouse gases emission, employing lightweight and quiet devices. Current applications, main thermoelectric material classes, and manufacturing methods are the topics of this work; the discussion revolves around the crucial need for highly performing materials in the mid-temperature range, and around the development of more scalable fabrication technologies. The different manufacturing methods for thermoelectric bulk materials and films are also discussed. Small-scale technologies are generating increasing interest in research; the high potential of aerosol jet printing is highlighted, stressing the many advantages of this technology. A promising approach to scale the production of miniaturized thermoelectric devices that combines high energy ball milling and aerosol jet printing is proposed in the conclusion.

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Section: Magnetron Sputteringmentioning

confidence: 99%

“…• Time-consuming cleaning and maintenance of the printer can be crucial. It must be carried out after every printing session [251,252].…”

mentioning

confidence: 99%

Thermoelectric Materials and Applications: A Review

d’Angelo,

Galassi,

Lecis

2023

Energies

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“…two-photon polymerization), as well as more recently developed nebulized jet-based printing techniques. [21,[144][145][146][147][148] An example of hydrogel printed via two-photon lithography for neural tissue engineering is shown in Figure 3A, where nanoscales pores are achieved. When the ink is initially delivered without cells, cell seeding occurs post-fabrication, with the ink referred to as a "biomaterial ink."…”

Section: Synthetic Polymersmentioning

confidence: 99%

Emerging Three‐Dimensional Integrated Systems for Biomimetic Neural In Vitro Cultures

Seiti

Ginestra

Ceretti

et al. 2022

Adv Materials Inter

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lial cells, and pericytes. [2] The intricate interconnections and spatial organization between neurons as well as between neuronal and non-neuronal cells enable the functional complexity and diversity of the brain, which ultimately generates motor and sensory function, as well as cognitive processes such as memory, learning, and emotions.Despite its critical functions, the brain has very limited ability to self-repair and regenerate upon neurological disease or injury. [3] The regeneration of damaged tissue in the brain after trauma is primarily impeded by glial scar formation and reactive astrocytes. [4] Conversely, neurodegenerative diseases are characterized by progressive dysfunction and loss of subpopulation of specialized cells such as dopaminergic neurons and oligodendrocytes. [5] Moreover, a number of changes occur in the brain extracellular matrix (bECM) in pathological situations, such as alterations in the expression of proteoglycans, protein aggregation, and amyloidosis during the progression of Alzheimer's disease (AD). [6] To investigate the mechanisms of regeneration and degeneration as well as those which regulate neural circuit formation, morphogenesis, and development, animal models have traditionally been the main research modality. However, these models have presented major challenges due to their genetic, biochemical, and metabolic differences to human physiology, along with the need for expensive and time-consuming protocols and associated ethical issues. In vitro models have been established as efficient alternatives, allowing recreating in vivolike micro-environments to study cellular differentiation, electrical activity, and their relationship to molecular signaling. Additionally, 3D in vitro models represent processes such as cell adhesion, migration, as well as of nutrient and metabolic waste transport in a more biomimetic context than conventional 2D culture. [7][8][9] Multidisciplinary approaches in the field of tissue engineering have emerged since the 1990s with the goal of fabricating biocompatible 3D bioengineered architectures composed of predefined compositions of cells, biomaterials, and biological factors. Ideally, these elements can be combined to generate biomimetic ECM formation and cellular phenotypes. [10][11][12] In parallel with technical advances in materials and fabrication techniques, the development of stem cell biology, and in particular the advent of 3D in vitro neural cultures have gained interest in recent years as promising biomimetic micro-environments which can regulate cell response to neural guidance cues. Several bioengineered technologies have been developed in combination with biomaterials to produce 3D models, such as scaffoldbased neural constructs, neurospheres, cerebral organoids, and brain-onchip devices. While the strategic selection of bioengineering approaches and associated biomaterials has opened a multitude of opportunities in building increasingly advanced neural tissues, technical limitations remain a challenge in modeling the complexity of ...

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“…The phenomenon is due to the lower inertia of the small droplets that are not able to follow the aerosol stream and are pushed out of the focused area. [21,22] Some works in the literature studied the effect of the printing parameters on the overspray, focusing on ShGFR. [21][22][23] Nevertheless, Fujimoto et al stated that overspray is an intrinsic defect of the technology and that it strongly depends on the printed ink.…”

Section: Introductionmentioning

confidence: 99%

“…[21,22] Some works in the literature studied the effect of the printing parameters on the overspray, focusing on ShGFR. [21][22][23] Nevertheless, Fujimoto et al stated that overspray is an intrinsic defect of the technology and that it strongly depends on the printed ink. Therefore, finding a correlation between printing parameters and overspray that works for all types of inks is still an unsolved problem.…”

Section: Introductionmentioning

confidence: 99%

Aerosol Jet Printing of a Benzocyclobutene‐Based Ink as Adhesive Material for Wafer Bonding Application

Iervolino

Baldini

Gelmi

et al. 2022

Adv Materials Inter

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Aerosol jet printing (AJP) is an emerging additive manufacturing technology that is gaining increasing attention in the electronic field. Several studies have been carried out on the AJP of conductive, semiconductive, and dielectric polymers for electronic applications. However, wafer bonding is an application that is still uncovered by literature. Therefore, in this work, the AJP of benzocyclobutene (BCB) as a polymeric adhesive for wafer bonding is presented for the first time. A thorough characterization of the processing parameters is carried out to identify the most ideal conditions for printing at a relatively high speed. Then, square patterns are printed, proving the versatility of the AJP technology in terms of the reachable thickness of the deposited BCB patterns. Complex patterns with a resolution of ≈60 µm are also printed. The bonding properties of the BCB are characterized from a morphological and mechanical point of view. In particular, the shear strength of the BCB coatings deposited with AJP is ≈39 MPa and it is comparable with the shear strength of BCB coating deposited by spin‐coating. Consequently, AJP represents a valid alternative for the deposition of polymeric adhesive for wafer bonding.

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Aerosol Jet Printing: Challenges and Advances in Aerosol Jet Printing of Regenerated Silk Fibroin Solutions (Adv. Mater. Interfaces 12/2020)

Cited by 4 publications

References 0 publications

Thermoelectric Materials and Applications: A Review

Thermoelectric Materials and Applications: A Review

Emerging Three‐Dimensional Integrated Systems for Biomimetic Neural In Vitro Cultures

Aerosol Jet Printing of a Benzocyclobutene‐Based Ink as Adhesive Material for Wafer Bonding Application

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