화학공학소재연구정보센터
Chemical Physics Letters, Vol.378, No.5-6, 660-664, 2003
A simple method to synthesize gallium oxide nanosheets and nanobelts
beta-Ga2O3 nanosheets and nanobelts have been synthesized by evaporating metallic gallium source in a flow of argon gas. X-ray powder diffraction and transmission electron microscopy investigations revealed that the as-synthesized products are pure, single-crystalline beta-Ga2O3 with monoclinic structure. Energy dispersive X-ray analysis indicated the products are free from any other elements in addition to gallium and oxygen. The nanosheets of Ga2O3 had rectangular geometric shape. The nanobelts had uniform width along its entire long axis, and were in the range of 100-400 nm widths and several tens of micrometer in lengths. The growth process of beta-Ga2O3 nanosheets and nanobelts may be dominated by vapor-solid mechanism as well as kinetics. (C) 2003 Elsevier B.V. All rights reserved.