Use of statistical design of experiments in the optimization of Ar–O2 low-pressure plasma treatment conditions of polydimethylsiloxane (PDMS) for increasing polarity and adhesion, and inhibiting hydrophobic recovery

Butrón-García, María Isabel; Jofre-Reche, José Antonio; Martı́n-Martı́nez, José Miguel

doi:10.1016/j.apsusc.2015.01.144

Cited by 22 publications

(13 citation statements)

References 29 publications

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“…Treating the surface of unmodified Si and CB-PDMS with O 2 plasma for 35 s forms SiO x species on the surface, and when in contact, the materials irreversibly bond together through a condensation reaction. 39 The multilayered device, including the CB-PDMS sensing element and Cu-pSi solder-on contact, is shown in Figure 1C . Because plasma treatment modifies the mechanical properties of PDMS (increased brittleness; Table S1 ), a physical mask was used to limit areas of exposure to plasma only at the sites of bonding.…”

Section: Resultsmentioning

confidence: 99%

Monolithic Solder-On Nanoporous Si-Cu Contacts for Stretchable Silicone Composite Sensors

Kasimatis

Núñez-Bajo

Grell

et al. 2019

ACS Appl. Mater. Interfaces

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We report a method of creating solderable, mechanically robust, electrical contacts to interface (soft) silicone-based strain sensors with conventional (hard) solid-state electronics using a nanoporous Si-Cu composite. The Si-based solder-on electrical contact consists of a copper-plated nanoporous Si top surface formed through metal-assisted chemical etching and electroplating and a smooth Si bottom surface that can be covalently bonded onto silicone-based strain sensors through plasma bonding. We investigated the mechanical and electrical properties of the contacts proposed under relevant ranges of mechanical stress for applications in physiological monitoring and rehabilitation. We also produced a series of proof-of-concept devices, including a wearable respiration monitor, leg band for exercise monitoring, and squeeze ball for monitoring rehabilitation of patients with hand injuries or neurological disorders to demonstrate the mechanical robustness and versatility of the technology developed in real-world applications.

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Section: Resultsmentioning

confidence: 99%

Monolithic Solder-On Nanoporous Si-Cu Contacts for Stretchable Silicone Composite Sensors

Kasimatis

Núñez-Bajo

Grell

et al. 2019

ACS Appl. Mater. Interfaces

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show abstract

“…Treating the surface of unmodified Si and CB-PDMS with O2 plasma for 35 s forms SiOx species on the surface and when in contact, the materials irreversibly bond together through a condensation reaction. 39 The multilayered device, including the CB-PDMS sensing element and Cu-pSi solder-on contact are shown in Figure 1C. Because plasma treatment modifies the mechanical properties of PDMS (increased brittleness - Table S1), a physical mask was used to limit areas of exposure to plasma, only at the sites of bonding.…”

Section: Resultsmentioning

confidence: 99%

Monolithic Solder-on Nanoporous Si-Cu Contacts for Stretchable Silicone Composite Sensors

Kasimatis¹,

Núñez-Bajo²,

Grell³

et al. 2019

Preprint

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We report a method of creating solderable, mechanically robust, electrical contacts to interface (soft) silicone-based strain sensors with conventional (hard) solid-state electronics using a nanoporous Si-Cu composite. The Si-based solder-on electrical contact consists of a copper-plated nanoporous Si top surface formed through metal-assisted chemical etching and electroplating, and a smooth Si bottom surface which can be covalently bonded onto silicone-based strain sensors through plasma bonding. We investigated the mechanical and electrical properties of the contacts proposed under relevant ranges of mechanical stress for applications in physiological monitoring and rehabilitation. We also produced a series of proof-of-concept devices, including a wearable respiration monitor, leg band for exercise monitoring and Squeeze-ball for monitoring rehabilitation of patients with hand injuries or neurological disorders, to demonstrate the mechanical robustness and versatility of the technology developed, in real-world applications.

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“…However, the surface modifications of WPC treated with atmospheric plasmas are lost in relatively short time after treatment (hydrophobic recovery) [19]. Hydrophobic recovery of non-polar materials can be better controlled by treatment with low pressure plasmas (LPPs) [20].…”

Section: U N C O R R E C T E D P R O O Fmentioning

confidence: 99%

Improved Surface and Adhesion Properties of Wood-Polyethylene Composite by Treatment with Argon–Oxygen Low Pressure Plasma

Yáñez-Pacios

Martı́n-Martı́nez

2018

Plasma Chem Plasma Process

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Use of statistical design of experiments in the optimization of Ar–O2 low-pressure plasma treatment conditions of polydimethylsiloxane (PDMS) for increasing polarity and adhesion, and inhibiting hydrophobic recovery

Cited by 22 publications

References 29 publications

Monolithic Solder-On Nanoporous Si-Cu Contacts for Stretchable Silicone Composite Sensors

Monolithic Solder-On Nanoporous Si-Cu Contacts for Stretchable Silicone Composite Sensors

Monolithic Solder-on Nanoporous Si-Cu Contacts for Stretchable Silicone Composite Sensors

Improved Surface and Adhesion Properties of Wood-Polyethylene Composite by Treatment with Argon–Oxygen Low Pressure Plasma

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