Manufacturing method of polyaniline composite nano fiber membrane optical sensor and detection method thereof

一种聚苯胺复合纳米纤维膜光学传感器的制备及检测方法

Abstract

本发明涉及一种聚苯胺复合纳米纤维膜光学传感器的制备和检测方法。所述制备方法为:将本征态聚苯胺原料溶解;将混纺聚合物加入到聚苯胺溶液中;将溶液进行静电纺丝制备纳米复合纤维;将纳米复合纤维沉积到ITO导电玻璃上得到沉积有聚苯胺复合纳米纤维膜的导电玻璃,即为聚苯胺复合纳米纤维膜光学传感器。所述检测方法为将聚苯胺复合纳米纤维膜光学传感器放入待检测物质的溶液或气体样本中,静置,真空干燥;利用光谱测量系统检测其反射和吸收光谱,采用Lab颜色模式和RGB颜色模式计算颜色变化值,并得到被检测物浓度。本发明优点是设备简单,成本低,样品不需要预处理,检测物质范围广,检测灵敏度高、并可进行实时检测。
The invention relates to a manufacturing method of polyaniline composite nano fiber membrane optical sensor and a detection method thereof. The manufacturing method includes: eigenstate polyaniline raw material is dissolved; blending polymer is added into polyaniline solution; the solution is subject to electrostatic spinning, so as to prepare nano composite fiber; the nano composite fiber is deposited onto ITO conductive glass, so as to obtain conductive glass deposited with polyaniline composite fiber membrane, namely the polyaniline composite nano fiber membrane optical sensor. The detection method includes that the polyaniline composite nano fiber membrane optical sensor is placed into solution or gas sample containing substance to be detected, and standing and vacuum drying are carried out; a spectral measuring system is utilized to detect reflection and absorption spectrums thereof, Lab colour mode and RGB colour mode are adopted to calculate colour variation value, and the concentration of the detected substance is obtained. The invention has the advantages that equipment is simple, cost is low, no pre-treatment is required to be carried out on sample, detection range is wide, detection sensitivity is high, and real-time detection can be carried out.

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