研究目的
Investigating the thermal and electro-optical properties of graphene oxide and dye-doped nematic liquid crystal mixture E7.
研究成果
The dispersion of GO and GO/MB into nematic liquid crystal mixture E7 did not affect the phase transition temperatures but altered the threshold voltage and dielectric properties. The threshold voltage decreased with GO doping and increased with GO/MB doping. The dielectric constant decreased with the dispersion of GO and GO/MB, and the critical frequency of E7 increased with doping.
研究不足
The study focused on low concentrations of GO and MB dopants. The effects of higher concentrations on the thermal stability and electro-optical properties of E7 were not investigated.
1：Experimental Design and Method Selection:
The study involved dispersing graphene oxide (GO) and methyl blue (MB) dye into the nematic liquid crystal mixture E7 to investigate their thermal and electro-optical properties.
2：Sample Selection and Data Sources:
The nematic liquid crystal mixture E7 was used as the host material, with GO and MB as dopants.
3：List of Experimental Equipment and Materials:
Differential scanning calorimeter (DSC), polarised optical microscopy (POM), impedance analyser, and voltage transmittance experimental setup were used.
4：Experimental Procedures and Operational Workflow:
The samples were prepared by dispersing GO and MB into E7, followed by thermal and electro-optical characterization.
5：Data Analysis Methods:
The data from DSC, POM, and impedance measurements were analyzed to determine the phase transitions, microstructural properties, and dielectric properties of the samples.
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