A facile method to synthesize polypyrrole nanoparticles in the presence of natural organic phosphate

Yang, Chao; Mo, Haodao; Zang, Limin; Qiu, Jianhui; Sakai, Eiichi; Wu, Xueli

doi:10.1016/j.physb.2014.05.030

Cited by 5 publications

(2 citation statements)

References 32 publications

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“…Oxidative initiator APS was added to polymerize Py to PPy, and glycerol was introduced to obtain a glycerol−water binary solvent system. PA can cross-link PPy by hydrogen bonding or electrostatic attraction 35 to form the second hydrogel network. The hydrogels were then obtained, and their detailed compositions are listed in Tables S1−S4.…”

Section: Resultsmentioning

confidence: 99%

Conductive Hydrogels with Ultrastretchability and Adhesiveness for Flame- and Cold-Tolerant Strain Sensors

Liu

Zhang

et al. 2022

ACS Appl. Mater. Interfaces

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Hydrogel strain sensors with extreme temperature tolerance have recently gained great attention. However, the sensing ability of these hydrogel strain sensors changes with temperature, resulting in the variety of output signals that causes signal distortion. In this study, double-network hydrogels comprising SiO 2 nanoparticles composed of polyacrylamide and phytic aciddoped polypyrrole were prepared and applied on strain sensors with a wide sensing range, high adhesiveness, and invariable strain sensitivity under flame and cold environments. The hydrogels had stable conductivity, excellent adhesive strength of up to 79.7 kPa on various substrates, and high elongation of up to 1896% at subzero temperature and after heating. They also exhibited effective flame retardancy with low surface temperature (71.2 °C) after 1200 s of heating (200 °C) and antifreezing properties at a low temperature of −20 °C. Remarkably, even under cold temperature and heat treatment, the hydrogel-based strain sensor displayed consistent sensing behaviors in detecting human motions with a broad strain range (up to 500%) and steady gauge factor (GF, ∼2.90). Therefore, this work paves the way for the applications of hydrogel sensors in robotic skin, human−mechanical interfaces, and health monitoring devices under harsh operating environments.

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Section: Resultsmentioning

confidence: 99%

Conductive Hydrogels with Ultrastretchability and Adhesiveness for Flame- and Cold-Tolerant Strain Sensors

Liu

Zhang

et al. 2022

ACS Appl. Mater. Interfaces

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“…As a especial kind of cellulose, sisal microcrystalline cellulose is produced by sisal hemp. Sisal fiber is one of the most common nature fibers that is the most largely quantity and the most widely used [3][4][5]. Sisal is a renewable resource par excellence and can form part of the overall solution to climate change.…”

Section: Introductionmentioning

confidence: 99%

Polypyrrole/sisal fiber composites for energy storage

Mo¹,

Zang²,

Yang³

et al. 2015

Proceedings of the 2015 International Conference on Power Electronics and Energy Engineering

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Abstract-Polypyrrole-based electrodes were fabricated for energy storage applications using sisal fibers as a substrate material. It was found that the PPy nanoparticles deposited on the surface of sisal fiber cellulose (SFC) connected to form a continuous sheath by taking along the microcrystalline cellulose template. The as-prepared nanocomposites demonstrated a mass-specific capacitance of 367 F/g at 200 mA/g current density in supercapacitor application. Moreover, SFC/PPy electrode retained about 57.8% of Cs retained when the current density increased five times. This work provides a straightforward method to utilize renewable resource sisal microcrystalline cellulose for conducting composite, which could apply in sensors, flexible electrodes, and flexible displays. It also opens a new field of potential applications of micrometre-scale natural microcrystalline cellulose.

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Polypyrrole Nanotubes-Silver Nanoparticles Hybrid Nanocomposites: Dielectric, Optical, Antimicrobial and Haemolysis Activity Study

Upadhyay

Kumar

2016

Springer Series on Polymer and Composite Materials

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A facile method to synthesize polypyrrole nanoparticles in the presence of natural organic phosphate

Cited by 5 publications

References 32 publications

Conductive Hydrogels with Ultrastretchability and Adhesiveness for Flame- and Cold-Tolerant Strain Sensors

Conductive Hydrogels with Ultrastretchability and Adhesiveness for Flame- and Cold-Tolerant Strain Sensors

Polypyrrole/sisal fiber composites for energy storage

Polypyrrole Nanotubes-Silver Nanoparticles Hybrid Nanocomposites: Dielectric, Optical, Antimicrobial and Haemolysis Activity Study

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