The Li-substituted zinc oxides Zn_1-xLi_xO (x = 0 ~ 0.20; ZLO) nano-particles were synthesized by the wet chemical methods. The precursors for the synthesis of ZLO nano-particles were zinc acetyle acetonates hydrate and lithium acetates di-hydrate, which were resolved in the mixed solvent of toluene : 2-propanol = 7 : 1. ZLO nano-particles were confirmed by the transmission electron microscopy and X-ray diffraction. The size of ZLO nano-particles does not change with Li contents. The hexagonal lattice constants a and c increases with Li contents increases at 0.05 < x < 0.20. The X-ray photoelectron spectroscopy reveals that there is a slight over-lapping of the shallow core levels O 2p and Zn 3d. The correlation between the Li contents and the d-p coupling is examined by the shifts of the core levels Zn 2p, O 1s, etc. We characterize the photoluminescence of ZLO nano-particles with regard to the morphology change and/or the d-p coupling. We examine the effective dielectric constants and effective electrical conductivities of ZLO nano-particles.

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