Locally Controlling The Structure And Composition Of Atomically-Thin Films
Graphene has generated an intense amount of interest for nearly a decade, serving as the model 2-dimensional system. With exciting optical, electrical, and physical qualities, most studies have focused on the pristine system. Much of this research has been motivated by the potential graphene has in the realms of flexible and transparent electronics, 3-dimensional circuits, and other applications. While these experiments were essential to the proliferation of the field, well-defined heterogeneous systems are critical to the successful production of any useful device. Thus, new techniques to synthesize and fabricate such systems are needed for advancement towards this end. In this thesis we investigate the rational manipulation of graphene, as well as other atomically-thin materials. These efforts first focus on synthesizing largescale intrinsic systems, after which we controllably dope these graphene sheets. We then introduce a new method for spatial control and integration of dissimilar films, including doped and undoped graphene as well as graphene and hexagonal boron nitride. Finally, we propose novel applications of these materials, including their use as the thinnest possible protection layers.
Dichtel, William Robert; Pollock, Clifford Raymond
Chemistry and Chemical Biology
Ph.D. of Chemistry and Chemical Biology
Doctor of Philosophy
dissertation or thesis