研究目的
Investigating the substrate effect on the morphology and optical properties of zinc oxide nanorods synthesized by microwave-assisted hydrothermal method.
研究成果
ZnO nanorods layers with wurtzite type pure phase were successfully grown. The thickness of the ZnO layer on the substrates affects the density, aspect ratio, diameter of the nanorods, and their crystallite size, which in turn influences their optical properties.
研究不足
The study is limited to the effects of substrate thickness on the morphology and optical properties of ZnO nanorods, without exploring other potential influencing factors or applications beyond optoelectronics.
1：Experimental Design and Method Selection:
The nanorods layers were grown using a microwave-assisted hydrothermal method on glass substrates covered with ZnO thin layers of varying thicknesses.
2：Sample Selection and Data Sources:
Samples were grown on glass substrates with sol-gel ZnO thin films of ~40 nm (S1), ~70 nm (S2), ~100 nm (S3), and PVD ZnO films of ~120 nm (S4).
3：4). List of Experimental Equipment and Materials:
3. List of Experimental Equipment and Materials: A domestic Samsung M71A microwave oven, Parr 4782 Microwave Digestion Vessel, SEM FEI Quanta 200, Rigaku SmartLab X-ray diffractometer, Perkin Elmer Lambda 35 spectrometer.
4：Experimental Procedures and Operational Workflow:
Substrates were submerged in a growth solution and irradiated at 450 W for 3 minutes, then washed, dried, and heated.
5：Data Analysis Methods:
Morphology was characterized by SEM, crystalline structure by XRD, and optical properties by UV-VIS-NIR spectroscopy.
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