Rice University

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Thesis Defense

Graduate and Postdoctoral Studies
Applied Physics

Speaker: Duy Luong
Masters Candidate

Laser Induced Graphene Nanomaterials and Applications

Monday, April 17, 2017
10:00 AM  to 11:30 AM

200  Brockman Hall for Physics


Laser-induced graphene (LIG) was recently discovered by one step laser induction of CO2 laser (10.6 ┬Ám wavelength) under ambient atmosphere. Because of the porous structure with lots of defect sites, LIG were studied as mircrosupercapacitors, electrochemical catalyst, heat transfer and number of applications are being researched. In this thesis, first, I will begin my work with tuning the laser parameters to understand the formation of LIG structure that was found to be a fluid dynamic that interestingly, similar to a sneeze. New LIG structure, another product of this laser induction process which named Laser Induced Graphene Scrolls (LIGS) was also discovered as scrolled version of LIG that can be fabricated to millimeter scale vertical aligned forest. Second study will be the laminated object manufacturing technique for the 3D printing of both LIG and LIGS and their potential applications in energy storage and high strength graphene base composite. Lastly, I will discuss how control environment alter the morphology and doping of LIG that eventually leading to its superhydrophobicity or superhydrophilicity.

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