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Three-Dimensional Graphene Architectures

Scanning electron microscope images of the effect of temperature on the platinum nanostructure on the 3-D graphene substrates: (A) 25 °C and (B) 70 °C.

The mechanical strength and electron mobility of graphene has made it a novel material for a new generation of electronic devices, batteries, and sensors. Currently graphene is predominately grown on 2-D substrates. We have recently reported on a method to make 3-D graphene from interferometric lithographically patterned porous carbon electrodes that have been coated with a transition metal catalyst and annealed. Our first work was published in ACS Nano and picked by the journal to be featured in a pod cast describing the technology. The second article was published and Journal of Materials Chemistry and chosen as a cover feature. A third article was published in the Journal of Materials Chemistry A.

We anticipate that this technology could enable a new generation of graphene-based devices if the advantages inherent in the 2-D material can be translated into a 3-D architecture. As 3-D transistors outperform 2-D transistors via enhancements in surface area, the fabrication of 3-D graphene will result in faster mass and electron transfer kinetics impacting electronics, sensors and energy applications.

The two articles published in the Journal of Materials Chemistry resulted in Ronen Polsky (1714) to be featured in an upcoming special web themed issue entitled “Rising Stars-Young Nanoarchitects in Materials” due to be published in August.

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