Synthesis of polypyrrole nanoparticles and their applications in electrically conductive adhesives for improving conductivity

Wen, Jiayue; Tian, Yanhong; Mei, Zhipeng; Wu, Wentao; Tian, Yanqing

doi:10.1039/c7ra09725e

Cited by 39 publications

(22 citation statements)

References 41 publications

(32 reference statements)

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“…The data in Figure 3A clearly show the progress of research on PPy and the increased number of publications providing insights into the recognition of PPy as an important and extensively explored CPs. Meanwhile, Figure 3B–G show the scanning electron microscope (SEM) micrographs of PPy with different morphologies, such as nanoparticle, 26 nanotube, 27 nanofiber, 28 thin film, 29 thick film, 30 and sponge‐like structure, 31 respectively. Despite the extensive research on PPy, to the best of our knowledge, no comprehensive study on the advances made in the synthesis of PPy and the factors affecting PPy conductivity has been conducted.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and factor affecting on the conductivity of polypyrrole: a short review

Pang

Arsad

Ahmadipour

2020

Polymers for Advanced Techs

123

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Polypyrrole (PPy) has unique features such as easy synthesis, environmental stability, and high electrical conductivity (approximately 105 S/cm and even >380 S/cm) for bulk and thin‐film materials. Thus, PPy is applied in numerous well‐established applications, such as in sensors, supercapacitors, and resonators. These applications take advantage of the unique properties achieved through the structure and properties of PPy. This article comprehensively elaborates the methods used to synthesize conductive PPy, along with the important factors affecting its conductivity. Emphasis is given to versatile and basic approaches that enable control of the microstructural features that eventually determine PPy conductivity. Despite the intensive research in this area, no previous study has presented all possible relevant information about PPy fabrication and the important factors influencing its electrical conductivity.

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Section: Introductionmentioning

confidence: 99%

Synthesis and factor affecting on the conductivity of polypyrrole: a short review

Pang

Arsad

Ahmadipour

2020

Polymers for Advanced Techs

123

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“…For the conduction mechanism, the addition of conductive PANIs nanomaterials is equivalent to providing more contact points for conductive composites. In our previous research [38,43], we found that there was a strong interaction between PANIs and silver flakes, which could alter the distribution of the silver flakes in the resins and enhance the tunneling state between them.…”

Section: Resultsmentioning

confidence: 99%

“…Different amount of silver flakes were fixed into epoxy uniformly by a mixing deaerator (SIE-MIX80, Sienox Industrial Products Ltd. Guangzhou, China) at 2500 rpm for 5 min. Combined with our previous research [38], the curing temperature of the resin was set to 150 °C, which is very suitable for low temperature interconnect requirements on the field of electronic packaging. Simultaneously, different amount of PANIs (from 0 to 1.5 wt%) were also fixed into epoxy to enhance the performance of ECAs.…”

Section: Methodsmentioning

confidence: 99%

Fabrication of Novel Printable Electrically Conductive Adhesives (ECAs) with Excellent Conductivity and Stability Enhanced by the Addition of Polyaniline Nanoparticles

et al. 2019

Self Cite

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Electrically conductive adhesives (ECAs) are one of the low temperature bonding materials. It can be used to replace toxic Sn-Pb solder. The key issue for the application of ECAs is how to improve their electrical properties. In the present study, we develop an effective method to promote the electrical properties of ECAs by addition of polyaniline (PANI) nanoparticles. PANIs were synthesized via a facile one-step chemical oxidative polymerization method. After adding 0.5 wt% PANI nanoparticles, the conductivity of ECAs increased dramatically by an order of magnitude. The bulk resistivity of 8.8 × 10−5 Ω·cm is achieved for 65 wt% silver fillers with 0.5 wt% PANIs loaded ECAs. Besides, this improvement has no negative effect on the shear strength and the aging life of ECAs. Moreover, the use of PANIs not only lowers the percolation threshold of ECAs, but also reduces the cost and improves the bonding reliability. Finally, PANIs enhanced ECAs patterns were successfully printed by a stencil printing method, which proved their potential applications in replacing conventional solder pastes and printing functional circuits.

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“…The development of polymeric and bio-mimetic NPs recently would offer exciting opportunities for minimizing toxicity and nonspecific uptake 267, 268. These polymers such as polypyrroles possess remarkable drug encapsulation, facile modification ability with enhanced control over biodistribution and degradation kinetics, high stability and biocompatibility, with neglected long-term cytotoxicity 269. Other than that, organic dyes such as ICG could be easily cleared in the biological system and hence highly beneficial for biomedical applications.…”

Section: Conclusion and Perspectivementioning

confidence: 99%

Precise cell behaviors manipulation through light-responsive nano-regulators: recent advance and perspective

Thang¹,

Wang²,

Lü

et al. 2019

Theranostics

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Nanotechnology-assisted spatiotemporal manipulation of biological events holds great promise in advancing the practice of precision medicine in healthcare systems. The progress in internal and/or external stimuli-responsive nanoplatforms for highly specific cellular regulations and theranostic controls offer potential clinical translations of the revolutionized nanomedicine. To successfully implement this new paradigm, the emerging light-responsive nanoregulators with unparalleled precise cell functions manipulation have gained intensive attention, providing UV-Vis light-triggered photocleavage or photoisomerization studies, as well as near-infrared (NIR) light-mediated deep-tissue applications for stimulating cellular signal cascades and treatment of mortal diseases. This review discusses current developments of light-activatable nanoplatforms for modulations of various cellular events including neuromodulations, stem cell monitoring, immunomanipulation, cancer therapy, and other biological target intervention. In summary, the propagation of light-controlled nanomedicine would place a bright prospect for future medicine.

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Synthesis of polypyrrole nanoparticles and their applications in electrically conductive adhesives for improving conductivity

Abstract: An innovative application of doping conjugated-polypyrrole nanoparticles (PPy NPs) into electrical conductive adhesives (ECAs) to prepare low electrical resistivity interconnecting materials.

Cited by 39 publications

References 41 publications

Synthesis and factor affecting on the conductivity of polypyrrole: a short review

Synthesis and factor affecting on the conductivity of polypyrrole: a short review

Fabrication of Novel Printable Electrically Conductive Adhesives (ECAs) with Excellent Conductivity and Stability Enhanced by the Addition of Polyaniline Nanoparticles

Precise cell behaviors manipulation through light-responsive nano-regulators: recent advance and perspective

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