Hydrothermal Approach to Spinel-Type 2D Metal Oxide Nanosheets
Yang, Wenjin; Li, Jing; Zhang, Xinglai; Zhang, Cai; Jiang, Xin; Liu, Baodan
AbstractThe peculiar physical and chemical properties of 2D nanostructures have aroused global research interest in developing new members, synthetic technology, and exploring their potential applications in functional nanodevices. However, it is extremely challenging to directly obtain the 2D nanosheets for these extrinsic layered structures using conventional routines. In this work, we demonstrate the facile and general synthesis of 2D spinel-type metal oxides nanosheets through a simple hydrothermal reaction. Using this method, cubic gamma-Ga2O3, ZnGa2O4 and MnGa2O4 nanosheets with triangular/hexagonal configuration and ultrathin thickness have been synthesized, and all these nanosheets show preferential growth along (111) plane with the minimum formation energy. Microstructural and composition analyses using HRTEM, EDS, XPS, and so on reveal that the as-synthesized 2D nanosheets are well-crystallized in cubic fcc-phase and show high purity in composition, and the formation process of MGa2O4 nanosheets can be regarded as the competition of M2+ and Ga3+ in tetrahedral site. Spatially resolved cathodoluminescence measurement of individual 2D nanosheet shows that the gamma-Ga2O3, ZnGa2O4, and MnGa2O4 nanosheets exhibit distinct luminescence behavior, and ZnGa2O4 nanosheets show the strongest emission in visible region. It is expected that the facile synthesis of spinel-type metal oxides of gamma-Ga2O3, ZnGa2O4, and MnGa2O4 nanosheets will further promote the exploration of a variety of semiconductor nanostructures that could not be achieved using conventional technology suitable for layered structures and will also open up some opportunities for the integration of advanced functional nanodevices such as photodetectors, phosphors on the basis of them.
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WOS IDWOS:000455289000068
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Document Type期刊论文
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GB/T 7714
Yang, Wenjin,Li, Jing,Zhang, Xinglai,et al. Hydrothermal Approach to Spinel-Type 2D Metal Oxide Nanosheets[J]. INORGANIC CHEMISTRY,2019,58(1):549-556.
APA Yang, Wenjin,Li, Jing,Zhang, Xinglai,Zhang, Cai,Jiang, Xin,&Liu, Baodan.(2019).Hydrothermal Approach to Spinel-Type 2D Metal Oxide Nanosheets.INORGANIC CHEMISTRY,58(1),549-556.
MLA Yang, Wenjin,et al."Hydrothermal Approach to Spinel-Type 2D Metal Oxide Nanosheets".INORGANIC CHEMISTRY 58.1(2019):549-556.
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