Preparation of inorganic salt-doped polyaniline cotton fabrics by in-situ polymerization and their photoelectric thermal properties
Inorganic salt-doped polyaniline(PANI)cotton fabric was prepared by in-situ polymerization using inorganic salts such as zinc chloride,lithium chloride,copper chloride dihydrate,iron chloride,and magnesium chloride.The microscopic morphology,structure,and thermal stability of the cotton fabric were analyzed by field emission scanning electron microscopy,ultrafast micro-Raman imaging spectroscopy,X-ray diffraction,and thermogravimetric analysis.Additionally,its photoelectric thermal properties were studied.The results indicated that PANI underwent polymerization on the cotton fabric,imparting excellent electrical conductivity,with a conductivity of up to 15.7S/m.The lithium chloride-doped PANI cotton fabric exhibited the best photothermal performance.In terms of electrothermal performance,the copper chloride-doped PANI cotton fabric demonstrated the highest conductivity,achieving up to 57.4S/m.The heating fabric had the ability to adjust controllably its temperature according to human body's needs.The lithium chloride-doped fabric reached 65.0℃ under 600W/m2 irradiance,and the copper chloride-doped fabric reached 40.1℃ under 9.0V.The doped fabric showed an improvement of 8.2％in photothermal properties and 45.8％in electrothermal properties compared to undoped polyaniline cotton fabric.
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