Polymer Brushes as Interfacial Materials for Soft Metal Conductors and Electronics

Yan, Casey; Zheng, Zijian

doi:10.1002/9781119455042.ch25

Cited by 2 publications

(2 citation statements)

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“…Catalytic electroless plating is a common approach for depositing metals such as Ni, Cu, Ag, and Au on textile substrates . To address the adhesion issue between hard metals and soft textile substrates, interfacial modification between metals and textile substrates is critical. , Figure b shows a polymer-assisted metal deposition (PAMD) method for electroless metal plating. A catalyst-affinitive polymer was grafted onto the textile substrate via free-radical polymerization to serve as both seeding and adhesive layers for metals .…”

Section: Materials and Methods To Fabricate Pctsmentioning

confidence: 99%

Porous Conductive Textiles for Wearable Electronics

Ding,

Jiang,

et al. 2024

Chem. Rev.

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Over the years, researchers have made significant strides in the development of novel flexible/stretchable and conductive materials, enabling the creation of cutting-edge electronic devices for wearable applications. Among these, porous conductive textiles (PCTs) have emerged as an ideal material platform for wearable electronics, owing to their light weight, flexibility, permeability, and wearing comfort. This Review aims to present a comprehensive overview of the progress and state of the art of utilizing PCTs for the design and fabrication of a wide variety of wearable electronic devices and their integrated wearable systems. To begin with, we elucidate how PCTs revolutionize the form factors of wearable electronics. We then discuss the preparation strategies of PCTs, in terms of the raw materials, fabrication processes, and key properties. Afterward, we provide detailed illustrations of how PCTs are used as basic building blocks to design and fabricate a wide variety of intrinsically flexible or stretchable devices, including sensors, actuators, therapeutic devices, energy-harvesting and storage devices, and displays. We further describe the techniques and strategies for wearable electronic systems either by hybridizing conventional off-the-shelf rigid electronic components with PCTs or by integrating multiple fibrous devices made of PCTs. Subsequently, we highlight some important wearable application scenarios in healthcare, sports and training, converging technologies, and professional specialists. At the end of the Review, we discuss the challenges and perspectives on future research directions and give overall conclusions. As the demand for more personalized and interconnected devices continues to grow, PCT-based wearables hold immense potential to redefine the landscape of wearable technology and reshape the way we live, work, and play.

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Section: Materials and Methods To Fabricate Pctsmentioning

confidence: 99%

Porous Conductive Textiles for Wearable Electronics

Ding,

Jiang,

et al. 2024

Chem. Rev.

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“…For either method, tailoring the chemistry of a polymer brush can lead to intriguing polymer materials that exhibit excellent responsive behaviors depending on their environment. Developing responses modulated by exposure to, for example, light, temperature, or pH variances is possible via polymer brush design. , The flexibility that can be endowed through polymer brush synthesis strategies opens a pathway to develop functional surfaces and interfaces exemplified hitherto in biotechnology, , nanoelectronics, and sensory applications . For ASD application, the chemical robustness and short grafting periods offered by polymer brushes make them appealing in comparison to other molecular-modification strategies such as SAMs that can take several days to process .…”

Section: Introductionmentioning

confidence: 99%

Enabling Large-Area Selective Deposition on Metal-Dielectric Patterns using Polymer Brush Deactivation

2018

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Area-selective deposition could be an important self-aligning material-deposition technique to enable future nanoelectronics by accurately placing active materials at previously defined substrate patterns. We describe a robust self-aligning strategy to pattern uniform gold (Au) thin films on only the dielectric areas of prepatterned copper/silicon dioxide (Cu/SiO2) substrates. The use of an amine-terminated polystyrene polymer brush (i.e., PS-NH2) to selectively block micrometer Cu regions of patterned Cu/SiO2 substrates is demonstrated. Following thermal evaporation of ∼35 nm thick Au films on PS-NH2 modified Cu/SiO2 surfaces and subsequent acetic acid etching, large-area selective patterning of Au films on SiO2 regions was achieved. We evaluated the influence of the initial PS-NH2 polymer brush film concentration and etching conditions to optimize the process window for the demonstration of highly successful area-selective deposition on SiO2 surface regions. X-ray photoelectron spectroscopy and scanning electron microscopy analysis show the high selectivity of the initial polymer brush deposition process. Auger electron spectroscopy and transmission electron microscopy data reveal the distinct interfaces at the substrate surface after Au area-selective deposition. The technique is highly reproducible with no discernible deposition of Au on Cu over macroscale areas after etching. The process involves relatively short and inexpensive processing steps compared to previously reported methods. The accuracy and precision exemplified in this work to dictate metal deposition at desired substrate areas make the process appealing for future semiconductor practices.

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Polymer Brushes as Interfacial Materials for Soft Metal Conductors and Electronics

Cited by 2 publications

References 58 publications

Porous Conductive Textiles for Wearable Electronics

Porous Conductive Textiles for Wearable Electronics

Enabling Large-Area Selective Deposition on Metal-Dielectric Patterns using Polymer Brush Deactivation

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