Date/Time: 04-05-2018 - Thursday - 05:00 PM - 07:00 PM
Joel Seibert1 Folarin Erogbogbo1

1, San Jose State University, San Jose, California, United States

Graphene Oxide is of interest in thermoelectrics because it can reduce the thermal conductivity value and result in a higher figure of merit (ZT). It is known that the controlled oxidation levels can have a positive impact on ther thermoelectric properties of reduced graphen oxide. As graphenic formulations get smaller, their oxide content tends to increase. For example, graphene nanoplatelets of 5 microns have about 4% oxygen content and GnPs around 1 micron have an oxygen content of 8%. Graphene quantum dots have oxygen content around 30% and have similar properties to graphene oxide; however, there are no studies on the thermal conductivity properties of graphene quantum dots and there are limited studies on the electrical properties of graphene quantum dots. Here, we evaluate the thermal conductive properties of graphene quantum dots in comparison to graphene nanoplatelet to understand the possibility of their use as thermoelectric materials. The results indicate that the thermal and electrical properties of graphene quantum dots should motivate their use as part of a composite with the aim of increasing the figure of merit (ZT) for thermoelectrics.

Meeting Program

5:00 PM–7:00 PM Apr 5, 2018

PCC North, 300 Level, Exhibit Hall C-E