The metallization of silicone polymers in the rubbery and the glassy state

Martin, G.; Su, Teng; Loh, Ih-Houng; Balizer, Edward; Kowel, Stephen T.; Kornreich, Philipp

doi:10.1063/1.329995

Cited by 35 publications

(22 citation statements)

References 2 publications

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“…[23] Whether the substrate temperature is above or below its T g , the characteristics of the film appear to be dominated by the nucleation process during the metallization of siloxane elastomers with Al or In. [24] This suggests that the room-temperature evaporation of Au on PDMS, which has a low T g of 150 K, can also result in Au being engulfed in PDMS, unless the evaporation rate is sufficiently high to ensure rapid nucleation and growth of the metal film.…”

Section: Resultsmentioning

confidence: 99%

Preparation of Metallic Films on Elastomeric Stamps and Their Application for Contact Processing and Contact Printing

Schmid

Wolf

Allenspach

et al. 2003

Adv Funct Materials

145

129

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The formation of permanent or reversible metallic patterns on a substrate has applications in microfabrication and analytical techniques. Here, we investigate how to metallize an elastomeric stamp, either for processing of a substrate mediated by the proximity between the metal on the stamp and an active layer on the substrate, or for contact printing of the metal from a stamp to a substrate. The stamps were made from poly(dimethylsiloxane) (PDMS) and were modified before metallizing them with Au by adding to or removing from their bulk mobile silicone residues, by oxidizing their surface with an O2‐plasma, by surface‐fluorination via silanization, or by priming them with a Ti layer. The interplay between the adhesion of the different layers defines two categories of application: contact processing and contact printing. Contact processing corresponds to keeping the metal on the stamp after contacting a substrate; it is reversible and nondestructive, and useful to define transient electrical contacts or quench fluorescence on a surface, for example. Contact printing occurs when the metal on the stamp adheres to the printed surface. Contact printing can transfer a metal, layers of metals, or an oxide onto a substrate with submicrometer lateral resolution. The transfer can be total or localized to the regions of contact, depending on the morphology of the metal on the stamp and/or the surface chemistry of the substrate.

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Section: Resultsmentioning

confidence: 99%

Preparation of Metallic Films on Elastomeric Stamps and Their Application for Contact Processing and Contact Printing

Schmid

Wolf

Allenspach

et al. 2003

Adv Funct Materials

145

129

View full text Add to dashboard Cite

show abstract

“…One of the earliest experiments was reported by Martin and coworkers, who observed that after evaporating aluminium onto a liquid nitrogen-cooled PDMS substrate and raising the temperature, the sample surface was decorated with fine metallic folds. 34 While no specific comments were provided in the original paper onto this phenomenon, one may speculate that the topological pattern observed by Martin and coworkers was related to the formation of wrinkled surface due to the expansion of PDMS when it was heated up back to the room temperature. Bowden and coworkers prepared buckles by depositing thin layers of gold onto thick PDMS at elevated temperatures.…”

Section: Wrinkling In Rigid Sheets On Elastic Foundationsmentioning

confidence: 99%

Soft matter with hard skin: From skin wrinkles to templating and material characterization

2006

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The English-language dictionary defines wrinkles as ''small furrows, ridges, or creases on a normally smooth surface, caused by crumpling, folding, or shrinking''. In this paper we review the scientific aspects of wrinkling and the related phenomenon of buckling. Specifically, we discuss how and why wrinkles/buckles form in various materials. We also describe several examples from everyday life, which demonstrate that wrinkling or buckling is indeed a commonplace phenomenon that spans a multitude of length scales. We will emphasize that wrinkling is not always a frustrating feature (e.g., wrinkles in human skin), as it can help to assemble new structures, understand important physical phenomena, and even assist in characterizing chief material properties.

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“…Until today, many studies have focused on the fabrication methods and applications of microscale wrinkles. For example, Martin et al and Huck et al reported that wrinkles formed through bi-material coating on polydimethylsiloxane (PDMS) [10,12]. Bowden et al proposed that metal evaporation onto the PDMS could be used for structuring purposes [11].…”

Section: Introductionmentioning

confidence: 98%

Generation of various wrinkle shapes on single surface by controlling thickness of weakly polymerized layer

Zhao

Park

2015

Materials Letters

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The metallization of silicone polymers in the rubbery and the glassy state

Cited by 35 publications

References 2 publications

Preparation of Metallic Films on Elastomeric Stamps and Their Application for Contact Processing and Contact Printing

Preparation of Metallic Films on Elastomeric Stamps and Their Application for Contact Processing and Contact Printing

Soft matter with hard skin: From skin wrinkles to templating and material characterization

Generation of various wrinkle shapes on single surface by controlling thickness of weakly polymerized layer

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