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Direct transfer of graphene onto flexible substrates | …

CVD graphene; glass transition; sheet resistance; Graphene has been the focus of intense research due to its unique electrical, mechanical, optical, and thermal properties (1 ⇓ ⇓ ⇓ ⇓ ⇓ ⇓ ⇓ –9).So far, most work exploring these properties has been conducted on rigid substrates such as Si/SiO 2 or quartz. This choice is understood to be convenient for electronics applications ...

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Layer-engineered large-area exfoliation of graphene ...

LEE of graphene. As depicted in the schematic in Fig. 1A, to exfoliate large-area graphene with a selective number of layers, we directly evaporated a selective metal film onto a bulk graphite flake precleaved on the blue tape.The metal film was thermally evaporated up to 60 nm as a stressor on the graphite flake, where the tensile stress is given by the difference in the lattice constants of ...

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Graphene fatigue through van der Waals interactions ...

Graphene is often in contact with other materials through weak van der Waals (vdW) interactions. Of particular interest is the graphene-polymer interface, which is constantly subjected to dynamic loading in applications, including flexible electronics and multifunctional coatings. Through in situ cyclic loading, we directly observed interfacial fatigue propagation at the graphene-polymer ...

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PDMS-supported graphene transfer using …

PDMS-supported graphene transfer using intermediary polymer layers Abstract: We propose a graphene transfer method based on chemical vapor deposited (CVD) graphene grown on copper foils. This transfer method utilizes a combination of a silicone elastomer (PDMS) and different intermediate polymer layers depending on the process requirements.

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Graphene/PDMS Flexible Foam - Ultra Nano Tech

Aerospace – Graphene/PDMS Flexible Foam has outstanding electrical performance. This material has a very low density cellular structure that addresses unique needs of aerospace materials. Defense – Its unique set of properties makes this material a promising candidate for applications in homeland security, defense monitoring systems, or as ...

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Graphene fatigue through van der Waals interactions ...

Graphene is often in contact with other materials through weak van der Waals (vdW) interactions. Of particular interest is the graphene-polymer interface, which is constantly subjected to dynamic loading in applications, including flexible electronics and multifunctional coatings. Through in situ cyclic loading, we directly observed interfacial fatigue propagation at the graphene-polymer ...

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Multifunctional graphene woven fabrics

Solidified PDMS (1 mm thick) film was used to collect the GWF. GWF-in-PDMS composites: To avoid structural failure of the GWF during copper etching, a thin layer of PDMS was used as a support to reinforce the GWF structure. The copper mesh after graphene growth was drop-coated with PDMS solution, and then baked at 60°C for 12 h.

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Multifunctional graphene woven fabrics

Solidified PDMS (1 mm thick) film was used to collect the GWF. GWF-in-PDMS composites: To avoid structural failure of the GWF during copper etching, a thin layer of PDMS was used as a support to reinforce the GWF structure. The copper mesh after graphene growth was drop-coated with PDMS solution, and then baked at 60°C for 12 h.

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Graphene/PDMS Flexible Foam - Ultra Nano Tech

Aerospace – Graphene/PDMS Flexible Foam has outstanding electrical performance. This material has a very low density cellular structure that addresses unique needs of aerospace materials. Defense – Its unique set of properties makes this material a promising candidate for applications in homeland security, defense monitoring systems, or as ...