研究目的
Investigating the influence of baking temperature on crucial properties including structural, morphological and optical properties of Ga-doped ZnO transparent thin films.
研究成果
GZO thin films prepared by sol-gel spin coating method and baked at different temperatures followed by annealing exhibit high optical transmittance and hexagonal wurtzite structure. The film baked at 250°C and annealed at 400°C shows superior physical, morphological, and optical properties. The study suggests that baking process during coating can lower the operating temperature of annealing process for well-formed GZO thin films.
研究不足
The study focuses on the influence of baking temperature and annealing temperature on the properties of Ga-doped ZnO thin films, but does not explore the effects of other potential variables such as doping concentration or spin-coating parameters in depth.
1：Experimental Design and Method Selection:
The study used sol-gel based spin coating process to grow Ga-doped ZnO transparent thin films on glass substrates. The films were thermally baked at different temperatures and characterized using SEM, XRD, optical spectroscopy, and FTIR.
2：Sample Selection and Data Sources:
Glass substrates were used for film deposition. The precursor solution was prepared with zinc acetate dehydrate and gallium nitrate hydrate in absolute ethanol, with diethanolamine as a sol-stabilizer.
3：List of Experimental Equipment and Materials:
Scanning electron microscope (JEOL: JSM-6340F), X-ray diffractometer (BRUKER AXS: D8 DISCOVER), UV-Vis spectrophotometer (PG:T90+), Fourier transform infrared spectroscopy (SHIMADZU: IRTracer-100).
4：0). Experimental Procedures and Operational Workflow:
4. Experimental Procedures and Operational Workflow: The solution was stirred, aged, and then spin-coated onto substrates. The films were baked at various temperatures, annealed, and then characterized.
5：Data Analysis Methods:
XRD patterns were analyzed for crystal structure, SEM for morphology, UV-Vis for optical properties, and FTIR for chemical bonding.
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