Ajayan, Pulickel Madhavapanicker2017-08-012018-05-012017-052017-04-21May 2017Zhang, Xiang. "Synthesis and Characterization of 2H and 1T’ Molybdenum Ditelluride (MoTe2)." (2017) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/96023">https://hdl.handle.net/1911/96023</a>.https://hdl.handle.net/1911/96023Molybdenum ditelluride (MoTe2) is a member of the two-dimensional transition metal dichalcogenides (TMDs) family, which owns unique structures and interesting properties compared to other group VI TMDs. MoTe2 has two different stable structures at room temperature, the semiconducting 2H phase and metallic 1T’ phase. 2H MoTe2 has a small band gap of ~ 1 eV, which is quite similar to that of Si. Besides, due to the energy difference between the two phases is very small, theoretically, it is possible to reversibly switch from 2H phase to 1T’ phase in some conditions. In this thesis, controllable synthesis of 2H and 1T’ MoTe2 is demonstrated. As-grown samples are characterized by optical microscopy, Raman spectroscopy, SEM, AFM, XPS, XRD, UV-vis, etc. We also fabricated MoTe2-based electronic devices and measured their electrical properties.application/pdfengCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.Molybdenum ditellurideMoTe2two-dimensional transition metal dichalcogenideTMD2D materialsThesis2017-08-01