Graphene is the ultimate two-dimensional material consisting of a single layer of sp<sup>2</sup> hybridized carbon. A facile, inexpensive, solid-state method for generating, patterning and electronic tuning of laser converted graphene will be discussed (<b>Figure 1</b>). Briefly, graphite can be converted into graphene oxide (GO) sheets, which readily disperse in water, and can then be reduced by various methods. Due to its unique ability to be solution processed and patterned, GO can be laser reduced to graphene directly onto various substrates without masks, templates, post-processing, or transferring techniques. This work paves the way for the fabrication of inexpensive electrochemical energy storage devices that combine the energy density of batteries and the power density of capacitors.

Exploring the synthesis and applications of graphene for energy storage

2019 Fall National Meeting

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