Flexible, stretchable and conductive PVA/PEDOT:PSS composite hydrogels prepared by SIPN strategy

Zhang, Yun Fei; Guo, Mingming; Zhang, Ya; Tang, Chak Yin; Jiang, Can; Dong, Yuanlin; Law, Wing Cheung; Du, F.

doi:10.1016/j.polymertesting.2019.106213

Cited by 115 publications

(49 citation statements)

References 56 publications

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“…The tensile strength (30-70 kPa) and elongation at break (114%-239%) also displayed an elevation in mechanical properties. 60,61 Hence, it is quite difficult to speculate on the behavior of hydrogels based on the concentration of PEDOT:PSS, as it can act in both ways, i.e. it can lead to either improvement or deterioration of the mechanical properties of the hydrogel, which is in accordance with our observations.…”

Section: Wileyonlinelibrarycom/journal/pisupporting

confidence: 86%

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Tough and flexible conductive triple network hydrogels based on agarose/polyacrylamide/polyvinyl alcohol and poly(3,4‐ethylenedioxythiophene):polystyrene sulfonate

Azar

Dodda

Bělský

et al. 2021

Polymer International

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Herein, we demonstrate a simple and cost-effective way to fabricate conductive triple network hydrogels based on agarose (Ag), polyacrylamide (PAM) and poly(vinyl alcohol) (PVA) with a combination of physical-chemical crosslinked networks. The conductivity was generated by doping poly (3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) into the triple network matrix of Ag-PAM-PVA. All hydrogels were homogeneous in the swollen state and incorporation of PEDOT:PSS did not influence the morphology significantly on a microscale, (light microscopy and cryogenic low-vacuum SEM). On the nanoscale, small-angle X-ray scattering showed some differences between hydrogels with/without PEDOT:PSS and also between double/triple networks. The tensile and compressive properties were enhanced at a lower concentration of PEDOT:PSS, with a maximum tensile strength of 0.47 MPa, at an elongation of 119%. Fortunately, all hydrogels have shown conductivity in the range of 0.3−1.5 mS cm −1 which is comparable with the conductivity of skin tissues and hence they can be conveniently optimized for use in biosensors or other devices related to skin/internal tissues.

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Section: Wileyonlinelibrarycom/journal/pisupporting

confidence: 86%

“…Recent reports on different polymeric hydrogels with varying PEDOT:PSS concentrations support our observation. [60][61][62] Figure 9 shows a clear trend in the conductivity with respect to the PEDOT:PSS concentration. It also displays that even the hydrogel without PEDOT:PSS has a not negligible conductivity.…”

Section: Conductivitymentioning

confidence: 98%

Tough and flexible conductive triple network hydrogels based on agarose/polyacrylamide/polyvinyl alcohol and poly(3,4‐ethylenedioxythiophene):polystyrene sulfonate

Azar

Dodda

Bělský

et al. 2021

Polymer International

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“…The major characteristic peaks at ~3380.57 cm −1 for O-H stretching mode of PVA [17]. There are sharp characteristic vibrational bands (Figures 1(a) and 1(b)) observed at 421.72 and 433.87 cm −1 in the spectrum of pure and PVA-incorporated CuO NPs which are corresponding towards the Cu-O bond formation and vibrations of CuO monoclinic phase [18]. This affirmed the formation of CuO nanoparticle, and no impurity peaks was found in the sample as well.…”

Section: Resultsmentioning

confidence: 94%

Ultrasensitive and Selective Electrochemical Detection of Dopamine Based on CuO/PVA Nanocomposite-Modified GC Electrode

Roy

Karthiga²,

Prabhu

et al. 2022

International Journal of Photoenergy

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At present, the determination of dopamine (DA) is enormously necessary for the human body. Since then, it has played a crucial role in the brain that affects mood, sleep, memory, learning, and concentration. Dopamine insufficiency is a threat to human health. Dopamine recognition is important to avoid this problem. Copper oxide (CuO) nanoparticles are one of the potentials which can be used in the detection of dopamine level in the sample. In this work, CuO was synthesized by a simple chemical precipitation technique and modified by polyvinyl alcohol (PVA) as a capping agent. The nanomaterials manufactured are used for the detection of dopamine in 0.1 M PBS medium at room temperature. The CuO/PVA-modified electrode shows better electrocatalytic activity than CuO/GCE (glassy carbon electrode). The constructed dopamine biosensor of copper oxide-PVA nanocomposites also has extraordinary selectivity, stability, sensitivity (183.12 μA mM-1 cm-2), and a minimum level detection limit of 0.017 μM, is inexpensive, and has minimal effort and rapid detection of dopamine.

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“…To solve this issue, composite hydrogels made of PE-DOT:PSS fillers in the PVA hydrogels to form the semi-interpenetrating network structure. Under the strain application, covalent crosslinking maintains the original network configuration, and the sequential PVA chain movements, glutaraldehyde chain, and PE-DOT:PSS chains designed for effective energy dissipation and transfer of stress from the PVA matrix to the PEDOT:PSS reinforcements signifies the better sensory performances [197]. [189] with permission from American Chemical Society.…”

Section: Pedot Sensorsmentioning

confidence: 99%

Recent Progress in Conducting Polymer Composite/Nanofiber-Based Strain and Pressure Sensors

et al. 2021

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The Conducting of polymers belongs to the class of polymers exhibiting excellence in electrical performances because of their intrinsic delocalized π- electrons and their tunability ranges from semi-conductive to metallic conductive regime. Conducting polymers and their composites serve greater functionality in the application of strain and pressure sensors, especially in yielding a better figure of merits, such as improved sensitivity, sensing range, durability, and mechanical robustness. The electrospinning process allows the formation of micro to nano-dimensional fibers with solution-processing attributes and offers an exciting aspect ratio by forming ultra-long fibrous structures. This review comprehensively covers the fundamentals of conducting polymers, sensor fabrication, working modes, and recent trends in achieving the sensitivity, wide-sensing range, reduced hysteresis, and durability of thin film, porous, and nanofibrous sensors. Furthermore, nanofiber and textile-based sensory device importance and its growth towards futuristic wearable electronics in a technological era was systematically reviewed to overcome the existing challenges.

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Flexible, stretchable and conductive PVA/PEDOT:PSS composite hydrogels prepared by SIPN strategy

Cited by 115 publications

References 56 publications

Tough and flexible conductive triple network hydrogels based on agarose/polyacrylamide/polyvinyl alcohol and poly(3,4‐ethylenedioxythiophene):polystyrene sulfonate

Tough and flexible conductive triple network hydrogels based on agarose/polyacrylamide/polyvinyl alcohol and poly(3,4‐ethylenedioxythiophene):polystyrene sulfonate

Ultrasensitive and Selective Electrochemical Detection of Dopamine Based on CuO/PVA Nanocomposite-Modified GC Electrode

Recent Progress in Conducting Polymer Composite/Nanofiber-Based Strain and Pressure Sensors

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