研究目的
Investigating the synthesis and characterization of Graphene Oxide (GO) coupled with Strontium Sulfide (SrS) and studying its luminescence properties for potential applications in new optical materials.
研究成果
The successful synthesis of GO using modified Hummer’s method and its coupling with SrS was confirmed through XRD and Raman studies. Thermoluminescence studies revealed the formation of trapping centers in both pure GO and the coupled product, with changes in the pattern due to the presence of SrS. This work provides a foundation for the development of novel optical materials.
研究不足
The study is limited to the synthesis and basic characterization of GO and its coupled product with SrS. Further detailed analysis of the trapping centers and their implications for optical applications is needed.
1：Experimental Design and Method Selection:
Modified Hummer’s method was used for the synthesis of GO from graphite flakes. The GO was then coupled with SrS using annealing and cold freezing methods.
2：Sample Selection and Data Sources:
Graphite flakes were used as the starting material for GO synthesis. The coupled product was prepared by mixing GO with SrS.
3：List of Experimental Equipment and Materials:
Graphite flakes, NaNO3, H2SO4, KMnO4, H2O2, HCl, deionized water, muffle furnace, XRD, Raman spectrometer, thermoluminescence setup.
4：Experimental Procedures and Operational Workflow:
The synthesis involved oxidation of graphite, purification, and drying. The coupled product was prepared by mixing GO with SrS, followed by annealing and freezing. Characterization was done using XRD, Raman spectroscopy, and thermoluminescence.
5：Data Analysis Methods:
XRD and Raman data were analyzed to confirm GO synthesis. Thermoluminescence curves were analyzed to study luminescence properties.
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Graphite flakes
Starting material for GO synthesis
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NaNO3
Used in the oxidation process of graphite
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H2SO4
Used in the oxidation process of graphite
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KMnO4
Oxidizing agent in the synthesis of GO
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H2O2
Terminates the reaction in GO synthesis
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HCl
Used for purification of GO
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Deionized water
Used for washing and purification of GO
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Muffle furnace
Used for drying the GO sample
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XRD
Characterization of GO structure
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Raman spectrometer
Characterization of GO
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Thermoluminescence setup
Study of luminescence properties
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