Two-dimensional(2D)MoO_(2),a binary nonlayered material,has been extensively studied for potential applications in catalysis and electronics.However,the preparation of 2D MoO_(2) remains challenging.Herein,we report t...Two-dimensional(2D)MoO_(2),a binary nonlayered material,has been extensively studied for potential applications in catalysis and electronics.However,the preparation of 2D MoO_(2) remains challenging.Herein,we report the growth of 2D MoO_(2) flakes with rhombic morphology on the sapphire substrate via a chemical vapor deposition(CVD)method.Atomic force microscopy shows the CVDgrown MoO_(2) flakes with thin thickness.The CVD-obtained MoO_(2) with a stoichiometric ratio of 1:2 is verified using energy-dispersive X-ray spectroscopy.Scanning transmission electron microscopy(STEM)characterization reveals the high-quality,single-crystal nature of the CVDderived 2D MoO_(2) flakes.展开更多
基金supported by the Science and Technology Plan Project of Tangshan Science and Technology Bureau(No.22130217H)the Natural Science Foundation-Steel and Iron Foundation of Hebei Province(No.E2022209114)the Open Research Fund from Guangxi Key Laboratory of Information Materials,Guilin University of Electronic Technology(No.221004-K).
文摘Two-dimensional(2D)MoO_(2),a binary nonlayered material,has been extensively studied for potential applications in catalysis and electronics.However,the preparation of 2D MoO_(2) remains challenging.Herein,we report the growth of 2D MoO_(2) flakes with rhombic morphology on the sapphire substrate via a chemical vapor deposition(CVD)method.Atomic force microscopy shows the CVDgrown MoO_(2) flakes with thin thickness.The CVD-obtained MoO_(2) with a stoichiometric ratio of 1:2 is verified using energy-dispersive X-ray spectroscopy.Scanning transmission electron microscopy(STEM)characterization reveals the high-quality,single-crystal nature of the CVDderived 2D MoO_(2) flakes.
