研究了3种发光材料聚芴(PF)、5,5'-双(9,9-二辛基芴)-2,2'-联噻吩(F-T-T-F)和4,7-双(5-(9,9-二丙基芴)噻吩)苯并噻二唑(3FF-BTD)的固态化学发光.将这3种材料吸附于滤纸上得到了相应的检测试纸,研究了其与草酰氯蒸气的相互作用.与溶液体系相比,基于试纸的固态化学发光时间可以延长至8～10 min.该方法对草酰氯蒸气的检测限较低,分别为0.013 mg/m3 (PF)、0.27 mg/m3 (F-T-T-F)和1.8 mg/m3(3FT-BTD).制备的检测试纸可以反复暴露于草酰氯蒸气中引发化学发光,发光强度没有明显的降低,说明试纸有很好的重复使用性.由于该试纸对草酰氯有选择性的作用,因此可以对毒性草酰氯气体进行简便的可视化检测.
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