Chemical Vapor Deposition Synthesis of Ultrathin Hexagonal ReSe<sub>2</sub> Flakes for Anisotropic Raman Property and Optoelectronic Application.

Hafeez, Muhammad; Gan, Lin; Li, Huiqiao; Ma, Ying; Zhai, Tianyou · Adv Mater · 2016

basic_science · Level V

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Abstract

Hexagonal crystalline ultrathin ReSe<sub>2</sub> flakes are synthesized for the first time by a chemical vapor deposition (CVD) method. The as-synthesized ReSe<sub>2</sub> flake is revealed as a novel structure, which has mirror-symmetric single-crystal domains inside, by polarization incident Raman and HRTEM. The successful development of the CVD method will facilitate research on the novel anisotropic electronic/optoelectronic properties of ReSe<sub>2</sub> in the future.