A Nanocrystalline NiO Thin Film Prepared by Pulsed Laser Ablation

Abstract

Abstract: The NiO thin film electrodes were prepared by reactive pulsed laser ablation of a metallic Ni target in an oxygen ambient at different temperatures. X-ray diffraction and scanning electron microscopy measurements demonstrated that the films deposited at 600 ℃ exhibited nanocrystalline structure with an average particle size of～30 nm. Electrochemical properties of NiO films were examined by charge-discharge measurements. Excellent electrochemical performance, a high capacity retention compared to the amorphous NiO, could be achieved with nanocrystalline NiO films. The improved specific capacity, discharge rate and cycling performance might be related to nano-sized character of the thin film electrode of NiO. This NiO thin film could be used as a promising electrode material for all-solid-state thin film rechargeable Li-ion batteries.

Key words: Pulse laser ablation, NiO, Nanocrystalline, Thin film

CLC Number:

O614

TrendMD:

WANG Ying, QIN Qi-Zong . A Nanocrystalline NiO Thin Film Prepared by Pulsed Laser Ablation[J]. Chem. J. Chinese Universities, 2002, 23(11): 2043.

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A Nanocrystalline NiO Thin Film Prepared by Pulsed Laser Ablation

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