Rice University

Events at Rice

Thesis Defense

Graduate and Postdoctoral Studies
Materials Science & NanoEngineering

Speaker: Kunttal Keyshar
Doctoral Candidate

Chemical Vapor Deposition of Two-Dimensional Materials and the Investigation of Applications and Properties

Monday, March 27, 2017
2:00 PM  to 4:00 PM

254  Mechanical Laboratory


Two-Dimensional Transition metal dichalcogenides (TMDs) have attracted significant research attention due to their appealing electronic, optical and catalytic properties. In order to probe and utilize some of the unique properties of TMDs there must be a scalable approach to growing large area monolayers. The research presented will be in regards to the development of chemical vapor deposition techniques for TMDs, specifically ReS2, and the development of a metrology tool for experimentally determining band alignments for layered materials. We intensively characterize the first monolayer grown ReS2 crystals using various spectroscopy and microscopy techniques and investigate the electronic and catalytic properties. Furthermore, we experimentally determine band alignments for various TMDs using a novel photoemission electron microscopy technique with deep ultraviolet light. Band alignments experimentally determined using this technique provide essential information to the scientific community for building complex electronic and optoelectronic devices with TMDs.

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