采用49％的氢氟酸刻蚀Ti3AlC2成功制备了层状二维晶体Ti3C2,并研究了其作为吸附剂对有机染料罗丹明B(RhB)、亚甲基橙(MO)和亚甲基蓝(MB)的吸附性能.利用X射线衍射仪(XRD)、扫描电子显微镜(SEM)、气体吸附分析仪、紫外可见分光光度计等对样品物相、晶体结构和孔隙结构及比表面积进行了表征,考察了温度和染料浓度对Ti3C2吸附效果的影响.结果表明,二维晶体Ti3C2对有机染料具有较好的吸附性能,随着温度的升高吸附速率有明显的提高;Ti3C2对RhB和MB的吸附效果随着温度的升高均有明显的提高,但对100 mg/L的MO,在25℃时吸附效果最好.45℃时,Ti3C2对浓度为50 mg/L的染料的吸附速率RhB＞ MB＞ MO.
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