双层静电纺丝薄膜传感器的制备及对硝基芳烃荧光传感性能的研究
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- 英文论文题名：A novel double-layer electrospun nanofibrous membrane sensor for detecting nitroaromatic compounds
- 论文作者：于润慧 ; 宋维强 ; 陶芙蓉 ; 崔月芝 ; 郑冰 ; 马晓双
- 英文论文作者：Runhui Yu ; Weiqiang Song ; Furong Tao ; Yuezhi Cui ; Bing Zheng ; Xiaoshuang Ma ; Shandong Provincial Key Laboratory of Fine Chemicals ; School of Chemistry and Pharmaceutical Engineering ; Qilu University of Technology
- 年：2016
- 作者机构：齐鲁工业大学;
- 论文关键词：静电纺丝 ; 荧光 ; 硝基芳烃
- 会议召开时间：2016-07-01
- 会议录名称：中国化学会第30届学术年会摘要集-第二十七分会：光化学
- 语种：中文
- 分类号：O657.3;TP212
- 学会代码：ZGHY
- 会议名称：中国化学会第30届学术年会-第二十七分会 ; 光化学
- 会议地点：中国辽宁大连
- 主办单位：中国化学会
- 学会名称：中国化学会
- 页数：1
- 文件大小：186k
- 原文格式：D
- 会议级别：全国
摘要
硝基芳烃类爆炸物危害生命,污染环境。因此高效快速检测出微痕量硝基芳烃类爆炸物,对人们的生命财产安全至关重要。本文通过静电纺丝技术制备了具有双层结构的多孔纳米纤维薄膜传感器(P-PS/GLE)。首先,在玻璃片表面制备多孔骨架的富有氨基和羟基的明胶纺丝膜(GLE)。然后,在明胶纺丝膜上覆盖一层含荧光聚合物P的静电纺丝纳米纤维薄膜(P-PS)。在传感器中,明胶纤维膜作为支撑材料附在玻璃片上,有利于硝基芳烃分子同时从P-PS薄膜上边或下边进入与荧光聚合物P接触,提高猝灭效率。且明胶中含有大量氨基和羟基等富电子基团,缺电子硝基芳烃与明胶之间氢键相互作用,使得硝基芳烃富集在传感器表面,利于其检测。置于饱和DNT蒸汽中,双层薄膜传感器比单层P-PS膜传感器具有更高的猝灭效率。
Nitro aromatic compounds(NACs) have attracted increasing attention for protection against threat of terrorism at entrance portals and other domestic situations. So, the detection of NACs at ultra low level has become an urgent issue. In this work, A novel sensor with double-layer structural characteristics was prepared by electrospinning technique. The top layer(P-PS) was the nanofibrous membrane of the conjugated polymer P doped in polystyrene(PS), serving as the main sensor material to detect NACs. The bottom layer(GEL) was the gelatin nanofibrous membrane which served as porous substrate for the top layer. Within the double-layer structure, the porous GEL layer allowed the NACs molecules to transfer through the P-PS layer from both sides, thus greatly improved the permeability of the P-PS layer. Therefore, the double-layer membrane sensor exhibited a greater quenching efficiency(Q_f) of 75 % than that of the single-layer of P-PS(55 %).
Nitro aromatic compounds(NACs) have attracted increasing attention for protection against threat of terrorism at entrance portals and other domestic situations. So, the detection of NACs at ultra low level has become an urgent issue. In this work, A novel sensor with double-layer structural characteristics was prepared by electrospinning technique. The top layer(P-PS) was the nanofibrous membrane of the conjugated polymer P doped in polystyrene(PS), serving as the main sensor material to detect NACs. The bottom layer(GEL) was the gelatin nanofibrous membrane which served as porous substrate for the top layer. Within the double-layer structure, the porous GEL layer allowed the NACs molecules to transfer through the P-PS layer from both sides, thus greatly improved the permeability of the P-PS layer. Therefore, the double-layer membrane sensor exhibited a greater quenching efficiency(Q_f) of 75 % than that of the single-layer of P-PS(55 %).
引文
[1]Yuanyuan Long,Haibo Chen,Huaming Wang,etc.Analytica Chimica Acta 2012,744:82.