采用Langmuir-Blodgett(LB)技术,在23mN/m的膜压下制备了四苯基卟啉铜(CuTPP)、四苯基卟啉锌(ZnTPP)及四苯基卟啉镍(NiTPP)超薄膜.分析了CuTPP、ZnTPP及 NiTPP 的LB膜分别对乙酸乙酯气体和四氢呋喃气体的紫外光谱变化,并通过薄膜对紫外-可见吸收光谱的变化阐述了构建有机气体-金属卟啉色谱探测阵列的可行性.实验结果表明,无论针对乙酸乙酯气体还是四氢呋喃气体,ZnTPP 薄膜光谱变化最明显,CuTPP薄膜次之,而NiTPP薄膜几乎没有光谱变化.因此认为CuTPP和ZnTPP可作为色谱阵列单元识别乙酸乙酯气体和四氢呋喃气体(THF).
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