Preparation and nanotribological properties of polyelectrolyte multilayers with in situ Au nanoparticles

Guo, Yanbao; Yang, Liu; Wang, Deguo; Liu, Shuhai; Zhang, Siwei

doi:10.1016/j.porgcoat.2015.07.003

Cited by 7 publications

(4 citation statements)

References 28 publications

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“…In situ AFM is a useful tool to investigate the microscale adhesion and friction. , The friction and adhesion force of the MXene sample were measured by a Bruker in situ AFM (Dimension Icon AFM, Bruker Co., Inc.) under its temperature control module. In the experiment, the effects of several parameters such as sample temperature, applied pressure, and sliding speed on the mechanical properties of the nanoscale MXene were studied.…”

Section: Experimental Sectionmentioning

confidence: 99%

Nanomechanical Properties of Ti₃C₂ Mxene

Guo¹,

Zhou²,

Wang³

et al. 2019

Langmuir

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100

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MXene is a new type of two-dimensional (2D) material that finds wide applications; however, its adhesion and tribological properties have not yet been fully revealed. Here, the chemical structure of MXene was revealed by X-ray diffraction, and the adhesion and friction behaviors of MXene were studied with atomic force microscopy (AFM) Nanoman technology. It was found in AFM tests that MXene exhibited enhanced adhesion and friction at higher pressure but exhibited reduced adhesion and friction at elevated temperature, while the sliding speed and delay time of the AFM probe have negligible effects on the friction. X-ray photoelectron spectroscopy was used to reveal the change in the chemical structure of MXene at different temperatures. We found increased oxidation, and replacement of C by O atoms occurred on MXene at higher temperatures, which has a profound impact on the adhesion and friction between MXene and the probe tip. This discovery lays the foundation for understanding the adhesion mechanism and the dynamic adhesion behavior in friction of MXene, rendering MXene a much broader application prospect.

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Section: Experimental Sectionmentioning

confidence: 99%

Nanomechanical Properties of Ti₃C₂ Mxene

Guo¹,

Zhou²,

Wang³

et al. 2019

Langmuir

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100

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“…Moreover, some polyelectrolyte solution mixed with metal ions can form polymer complexes. The study shows that the in situ gold and silver nanoparticles in polyelectrolyte multilayer film can be prepared by alternate immersion of a substrate in PDDA-AuCl 4− complexes solution and PAA-Ag The tribological properties of nanoparticles-doped composite PEMs were investigated by microtribometer [21][22][23][52][53][54][55][56]. The statistic results of friction and wear behaviors are shown in Figure 6.…”

Section: Nanoscaled Films and Layersmentioning

confidence: 98%

“…But the CuS nanoparticles-doped PEMs have not been destroyed after 100 scanning times. Moreover, they also prepared the in situ Au nanoparticles hybrid PEMs [55]. The nanotribological investigation showed that the PAH/PAA PEMs with in situ Au nanoparticles have a lower surface adhesion and friction force than the pure PAH/PAA PEMs.…”

Section: Nanoscaled Films and Layers 264mentioning

confidence: 99%

Advance in Tribology Study of Polyelectrolyte Multilayers

Guo¹,

Wang²

2017

Nanoscaled Films and Layers

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This review introduced the preparation and structural characterization of polyelectrolyte multilayers in recent years and also summarized the tribology research progress of the polyelectrolyte multilayers, including tribological properties, surface adhesion characteristics, and wear resistance properties. Statistics analysis indicated that nanoparticlesdoped polyelectrolyte multilayers present better friction and wear performance than pristine polyelectrolyte multilayers. Furthermore, the in situ growth method resulted in improved structural order of nanoparticles composite molecular deposition film. In situ nanoparticles not only reduced the molecular deposition film surface adhesion force and friction force but also significantly improved the life of wear resistance. That was due to the nanoparticles that possessed a good load-carrying capacity and reduced the mobility of the polymer-chain segments, which can undergo reversible shear deformation. Based on this, further research direction of in situ nanoparticles molecular deposition film was proposed.

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“…Another approach is the immobilization of the AuCl 4 − anionic precursor onto the LbL assembly to further reduction. This can be carried out by the adsorption of the ionic precursor onto a pre-formed polyelectrolyte multilayer film [179,183] or by mixing AuCl 4 − ions with polyelectrolytes to the LbL assembly [184,185] prior to the reduction.…”

Section: Metal Nanoparticlesmentioning

confidence: 99%

Exploring Deposition Techniques and Supramolecular Arrangement in Thin Films for Sensor Applications

Miyazaki,

Martin,

Ozório

et al. 2023

Chemosensors

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In recent decades, many research efforts have been dedicated to finding highly sensitive devices for fast and reliable identification and quantification of an expanding range of analytes. As a result, there has been an increased number of publications dedicated to this area and a consequent increase in the number of review papers on the subject. However, unlike most review articles, we chose to explore the impact of supramolecular arrangement (or deeper, when possible, approaching the molecular organization) and assembly variables on sensing performance. This review briefly discusses the methods used to determine the molecular organization of thin films. We also examine various deposition techniques, including Langmuir-Blodgett, Langmuir-Schaefer, Layer-by-Layer assembly, electrodeposition, and spray pyrolysis, describing mainly (but not limited to) the advances in the last five years in developing thin films for sensors, with a particular emphasis on how the supramolecular arrangement can influence the sensing properties of these films.

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Preparation and nanotribological properties of polyelectrolyte multilayers with in situ Au nanoparticles

Cited by 7 publications

References 28 publications

Nanomechanical Properties of Ti₃C₂ Mxene

Nanomechanical Properties of Ti₃C₂ Mxene

Advance in Tribology Study of Polyelectrolyte Multilayers

Exploring Deposition Techniques and Supramolecular Arrangement in Thin Films for Sensor Applications

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Preparation and nanotribological properties of polyelectrolyte multilayers with in situ Au nanoparticles

Cited by 7 publications

References 28 publications

Nanomechanical Properties of Ti3C2 Mxene

Nanomechanical Properties of Ti3C2 Mxene

Advance in Tribology Study of Polyelectrolyte Multilayers

Exploring Deposition Techniques and Supramolecular Arrangement in Thin Films for Sensor Applications

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Nanomechanical Properties of Ti₃C₂ Mxene

Nanomechanical Properties of Ti₃C₂ Mxene