Photoluminescent properties of LiInO2 nanocrystals
作者： Yu-Jen Hsiao , Shang-Chou Chang
DOI: 10.1016/J.MATLET.2011.02.067
关键词: Photoluminescence 、 Absorption spectroscopy 、 Excited state 、 Luminescence 、 Analytical chemistry 、 Spectroscopy 、 Band gap 、 Tetragonal crystal system 、 Scanning electron microscope 、 Materials science
摘要: Abstract Synthesis and luminescence properties of LiInO 2 nanocrystals by the sol–gel process were investigated. The products characterized X-ray diffraction (XRD), scanning electron microscopy (SEM), photoluminescence spectroscopy absorption spectra. well-crystallized tetragonal can be obtained heat treatment above 600 °C from XRD. excitation wavelengths at about 246 nm associated with charge transfer between In O 3+ ions in octahedral coordination. PL spectra excited have a broad strong emission band maximum 391 nm, corresponding to self-activated luminescence. optical sample exhibited gap energies 3.7 eV.
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