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采用原位水热法制得Fe_3O_4/壳聚糖/纳米石墨微片纳米复合材料。研究实验过程中水热反应时间对复合材料制备的影响。通过X射线衍射仪(XRD)、场发射扫描电子显微镜(SEM)、傅里叶变换红外光谱仪(FTIR)及热失重分析仪(TGA)等测试手段对制得的复合材料样品进行了表征。XRD结果表明,实现了Fe_3O_4/壳聚糖/纳米石墨微片纳米复合材料的制备。水热反应时间对复合材料的形貌产生明显影响,水热反应时间有利于促进壳聚糖炭化,四氧化三铁均匀分布在纳米石墨微片片层上。采用FTIR和TG对壳聚糖的炭化程度进行表征,表现为热失重由36%降低到32%。
Fe_3O_4 / chitosan / nanometer graphite microchip nanocomposites were prepared by in situ hydrothermal method. The influence of hydrothermal reaction time on the preparation of composites was studied. The prepared composite samples were characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR) and thermogravimetric analysis (TGA) XRD results show that the preparation of Fe_3O_4 / chitosan / nano-graphite nanoplatelets. Hydrothermal reaction time has a significant effect on the morphology of the composites. The hydrothermal reaction time is conducive to the carbonization of chitosan, and the uniform distribution of ferroferric oxide on the nanocrystalline graphite platelets. The degree of carbonization of chitosan was characterized by FTIR and TG, showing a decrease in TG from 36% to 32%.