研究目的
Investigating the effects of lithium doping on the microstructure, morphology, nanomechanical properties, and corrosion behaviour of ZnO thin films grown by spray pyrolysis technique.
研究成果
The study demonstrated that lithium doping enhances the structural, morphological, and mechanical properties of ZnO thin films, as well as their corrosion resistance. The films showed improved crystalline quality, reduced surface roughness, increased hardness and Young’s modulus, and better anti-corrosion performance in chloride solutions.
研究不足
The study is limited to the effects of lithium doping on ZnO thin films prepared by spray pyrolysis technique. The findings may not be directly applicable to films prepared by other methods or with different dopants.
1：Experimental Design and Method Selection:
Li-doped ZnO thin films were synthesized at 460 °C using the spray pyrolysis technique with aqueous solution of zinc chloride ZnCl
2：Sample Selection and Data Sources:
The phase structures and crystalline quality of ZnO films were investigated by X-ray diffractometry (XRD). The morphology of the thin films was characterized by SEM and AFM.
3：List of Experimental Equipment and Materials:
XRD (Analytical X Pert PROMPD diffractometer), SEM (JEOL JSM-5800LV), AFM, Nano-indenter XP (CSM Instruments), EC-Lab V
4：12 system for electrochemical experiments. Experimental Procedures and Operational Workflow:
The films were prepared under optimum conditions including substrate temperature, carrier gas, spray rate, and nozzle to substrate distance. The mechanical characteristics were investigated by nano-indentation, and corrosion behaviour was examined in saline solution.
5：Data Analysis Methods:
The structural parameters were calculated using XRD data, and the mechanical properties were obtained from load–displacement curves using the Oliver and Pharr method.
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