Additive manufacturing of polyaniline-based materials: an opportunity for new designs and applications in energy and biotechnology

Menzel, Valentin C.; Tudela, Ignacio

doi:10.1016/j.coche.2021.100742

Cited by 22 publications

(8 citation statements)

References 54 publications

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“…The fibrous mat can be used to trap gaseous agents and might have higher surface interactions with polyaniline particles encapsulated within the electrospun mats. 53 For the PANI-ES/PVP solution, with increasing PANI-ES content, the system electrical conductivity substantially increased, as mentioned in Table 1. The PANI-ES may affect the solution's electrical and viscoelastic properties by increasing its concentration in the solution.…”

Section: Morphology Of Electrospun Nanofibers Compositementioning

confidence: 82%

“…The presence of micro‐sized porous particles of PANI‐EB on the fiber surface results in an electrospun matrix with a higher surface area. The fibrous mat can be used to trap gaseous agents and might have higher surface interactions with polyaniline particles encapsulated within the electrospun mats 53 …”

Section: Resultsmentioning

confidence: 99%

“…49 Doped PANI usage in polymer blend solutions has been reported extensively in the literature. 8,14,21,26,35,37,42,46,[50][51][52][53] Much of the current literature presents varying results on the electrospun materials' enhanced electrical conductivity based on the doped PANI. There are several disadvantages associated with the use of doped PANI as compared to using pure PANI.…”

Section: Introductionmentioning

confidence: 99%

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Polyaniline/polyvinylpyrrolidone nanofibers via nozzle‐free electrospinning

Waqas,

Sanchez,

Menzel

et al. 2023

J of Applied Polymer Sci

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Polyaniline (PANI) in its emeraldine base (PANI‐EB) and salt (PANI‐ES) forms was combined with polyvinylpyrrolidone (PVP) to produce nanofibers in a one‐step electrospinning process using a nozzle‐free electrospinning setup for the first time. The surface morphologies and chemical structure of the composite nanofibers were characterized by scanning electron microscopy (SEM), X‐ray diffraction (XRD), Fourier transform infrared spectroscopy—attenuated total reflectance (FTIR‐ATR), and energy‐dispersive X‐ray spectroscopy (EDX). Four PANI/PVP electrospun nanofibers with different PANI concentrations were prepared to investigate the effect of PANI concentration on the structure and properties of the nanofibers. The incorporation of different contents of PANI‐EB and PANI‐ES in the PVP solution and their impact on the fiber morphology were investigated.

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Section: Morphology Of Electrospun Nanofibers Compositementioning

confidence: 82%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Polyaniline/polyvinylpyrrolidone nanofibers via nozzle‐free electrospinning

Waqas,

Sanchez,

Menzel

et al. 2023

J of Applied Polymer Sci

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“…ideal candidate for 3D printing, especially for fabricating conductive "E-skin" patches. [139] For example, Sani et al reported using a stretchable multiplex sensor for wireless wound healing applications. [140] The 3D printed pH sensor was fabricated using a PANI/Au ink, which can selectively measure the pH of the wound during chronic wound healing (Figure 8).…”

Section: Polyaniline and Its Nanocompositesmentioning

confidence: 99%

3D Printable Hydrogel Bioelectronic Interfaces for Healthcare Monitoring and Disease Diagnosis: Materials, Design Strategies, and Applications

Dutta,

Ganguly,

Randhawa

et al. 2024

Adv Materials Technologies

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In recent years, additive manufacturing tools, such as 3D printing, has gained enormous attention in biomedical engineering for developing ionotropic devices, flexible electronics, skin‐electronic interfaces, and wearable sensors with extremely high precision and sensing accuracy. Such printed bioelectronics are innovative and can be used as multi‐stimuli response platforms for human health monitoring and disease diagnosis. This review systematically discusses the past, present, and future of the various printable and stretchable soft bioelectronics for precision medicine. The potential of various naturally and chemically derived conductive biopolymer inks and their nanocomposites with tunable physico‐chemical properties is also highlighted, which is crucial for bioelectronics fabrication. Then, the design strategies of various printable sensors for human body sensing are summarized. In conclusion, the perspectives on the future advanced bioelectronics are described, which will be helpful, particularly in the field of nano/biomedicine. An in‐depth knowledge of materials design to functional aspects of printable bioelectronics is demonstrated, with an aim to accelerate the development of next‐generation wearables.

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“…The characteristics of conducting polymers such as polythiophene (PTh), polyaniline (PAni), polypyrrole (PPy), and graphene oxide (GO) composite‐based HS have been widely investigated. [ 7–10 ] PAni is an important polymer due to its high conductivity, [ 11 ] chemical stability, [ 12 ] and environmental stability. [ 13,14 ] The preparation of PAni without reinforcement with inorganic dopants is interesting due to its low processability.…”

Section: Introductionmentioning

confidence: 99%

Fabrication of polyaniline/graphene oxide composites for implementation in humidity sensing

et al. 2022

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This work reports the measurement of impedance variations under various humidity conditions at frequency ranges between 100 Hz and 5 MHz. An electrochemical polymerization process has been used in the synthesis including varying the mass ratios of graphene oxide (GO) in polyaniline. An electrochemical deposition method has been used to produce a sample film on an indium tin oxide glass slide. The percentage relative humidity (RH%) of the samples has been estimated to be 20–90%. Impedance and humidity had an inverse relationship, i.e. the impedance value decreased with an increase in humidity. In contrast with platinum capacitive humidity sensors (HS), the GO‐based HS had a sensitivity of 75–99%, which was ~10‐fold more than that of traditional sensors. With three different parameter weight % of GO, the frequency range have been 100 Hz to 5 MHz and RH% has been found to 20–90%. The HS showed a fast response and recovery time. Therefore, GO appears to be a useful material for building HS with high sensitivity for a comprehensive approach.

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Additive manufacturing of polyaniline-based materials: an opportunity for new designs and applications in energy and biotechnology

Cited by 22 publications

References 54 publications

Polyaniline/polyvinylpyrrolidone nanofibers via nozzle‐free electrospinning

Polyaniline/polyvinylpyrrolidone nanofibers via nozzle‐free electrospinning

3D Printable Hydrogel Bioelectronic Interfaces for Healthcare Monitoring and Disease Diagnosis: Materials, Design Strategies, and Applications

Fabrication of polyaniline/graphene oxide composites for implementation in humidity sensing

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