Design and fabrication of conductive polyaniline transducers via computer controlled direct ink writing

Holness, F. Benjamin; Price, Aaron D.

doi:10.1117/12.2260362

Cited by 3 publications

(4 citation statements)

References 17 publications

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“…). The printed structures are shown to be indeed conductive, but the electrical properties were not specifically quantified . Overall, this initial report by the team shows the promise of developing robust, printed devices made from PANI.…”

Section: Additive Manufacturing Of Conjugated Polymersmentioning

confidence: 93%

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3D printing of conjugated polymers

Jordan

Wang

2019

J Polym Sci B Polym Phys

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Three‐dimensional (3D) printing brings exciting prospects to the realm of conjugated polymers (CPs) and organic electronics through vastly enhanced design flexibility, structural complexity, and environmental sustainability. However, the use of 3D printing for CPs is still in its infancy and remains full of challenges. In this review, we highlight recent studies that demonstrate proof‐of‐concept strategies to mitigate some of these problems. Two general additive manufacturing approaches are featured: direct ink writing and vat photopolymerization. We conclude with an outlook for this thriving field of research and draw attention to the new possibilities that 3D printing can bring to CPs. © 2019 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2019, 57, 1592–1605

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Section: Additive Manufacturing Of Conjugated Polymersmentioning

confidence: 93%

“…(Reproduced from ref. , with permission from the American Chemical Society.) [Color figure can be viewed at wileyonlinelibrary.com]…”

Section: Additive Manufacturing Of Conjugated Polymersmentioning

confidence: 99%

3D printing of conjugated polymers

Jordan

Wang

2019

J Polym Sci B Polym Phys

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“…The model of the flexible polymeric substrate was 3D-printed using

Cheetah filament, a thermoplastic elastomer (TPE) filament in the shore hardness 95A (Ninjatek, Manheim, PA, USA) and PANI doped by the use of dodecylbenzene sulfonic acid (DBSA) prepared according to the protocols described by Holness et al [ 25 ]. To this end, a specialized multi-material 3D printing technique has been developed at the Organic Mechatronics and Smart Materials Laboratory for direct-ink writing processes using a modified fused filament fabrication delta robot equipped with an integrated polymer paste extruder, which has been discussed in detail elsewhere [ 12 , 25 , 26 ]. In accordance with this technique, PANI was dispensed using a 22 Gauge stainless steel tip (Nordson EFD, East Providence, RI, USA), in a rectilinear

fill pattern, and without a perimeter wall.…”

Section: Methodsmentioning

confidence: 99%

“…Our approach uses a special technique for the 3D-printing of PANI, which could assure a reproducible printing pattern among the sensing elements. In a previous study, the PANI utilized for this investigation has been established to have a GF that ranges from 6.42 to 5.09 [ 12 ].…”

Section: Introductionmentioning

confidence: 99%

Assessment of Embedded Conjugated Polymer Sensor Arrays for Potential Load Transmission Measurement in Orthopaedic Implants

Micolini

Holness

Johnson

et al. 2017

Sensors

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Load transfer through orthopaedic joint implants is poorly understood. The longer-term outcomes of these implants are just starting to be studied, making it imperative to monitor contact loads across the entire joint implant interface to elucidate the force transmission and distribution mechanisms exhibited by these implants in service. This study proposes and demonstrates the design, implementation, and characterization of a 3D-printed smart polymer sensor array using conductive polyaniline (PANI) structures embedded within a polymeric parent phase. The piezoresistive characteristics of PANI were investigated to characterize the sensing behaviour inherent to these embedded pressure sensor arrays, including the experimental determination of the stable response of PANI to continuous loading, stability throughout the course of loading and unloading cycles, and finally sensor repeatability and linearity in response to incremental loading cycles. This specially developed multi-material additive manufacturing process for PANI is shown be an attractive approach for the fabrication of implant components having embedded smart-polymer sensors, which could ultimately be employed for the measurement and analysis of joint loads in orthopaedic implants for in vitro testing.

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Highly sensing and transducing materials for potentiometric ion sensors with versatile applicability

Huang

2022

Progress in Materials Science

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Design and fabrication of conductive polyaniline transducers via computer controlled direct ink writing

Cited by 3 publications

References 17 publications

3D printing of conjugated polymers

3D printing of conjugated polymers

Assessment of Embedded Conjugated Polymer Sensor Arrays for Potential Load Transmission Measurement in Orthopaedic Implants

Highly sensing and transducing materials for potentiometric ion sensors with versatile applicability

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