Polypyrrole Coated Textiles as Photothermal Material for Interfacial Solar Evaporation 


Vol. 24,  No. 10, pp. 3591-3600, Oct.  2023
10.1007/s12221-023-00343-0


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  Abstract

Solar evaporation is a primitive skill that has regained tremendous attention because of the sufficiency of solar energy and water sources on Earth. Textile materials are suitable for solar evaporation because of their porous structure with micro-channels, promoting moisture wicking, low heat conductivity and good solar absorptivity. The absorptivity and solar evaporation performance of textile materials can be improved by coating a suitable photothermal material like polypyrrole (PPy). In the present research, PPy is coated onto various woven and spunlace nonwoven fabrics by in-situ chemical polymerization to develop functional textiles for efficient photothermal conversion. Optical and electron microscopy studies confirms that the polymerization proceeded smoothly, resulting in the formation of a uniform layer of PPy around the individual fibres and as well as trapped in fibre interstices. PPy-coated 100% viscose spunlace nonwoven fabric (with 22.3% PPy add-on) shows maximum light absorbance ability (K/S value 7.543) exhibiting the rise of surface temperature upto 71 °C after exposure of 5 min to sunlight. The maximum water evaporation rate is obtained in case of PPy coated 100% viscose nonwoven (3.343 kgm-2 h-1), followed by 50:50 blended polyester/viscose nonwoven (2.400 kgm-2 h-1), 100% polyester nonwoven (1.683 kgm-2 h-1) and cotton woven fabrics (1.867 kgm-2 h-1). FTIR studies reveal significant intermolecular interaction (-H bonds) between cellulosic molecules and PPy. Such PPy-coated textile material can be a potential candidate for water desalination and purification to address the issue of water scarcity by effective utilization of solar radiation.

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  Cite this article

[IEEE Style]

S. Maity, M. Yadav, A. K. Patra, "Polypyrrole Coated Textiles as Photothermal Material for Interfacial Solar Evaporation," Fibers and Polymers, vol. 24, no. 10, pp. 3591-3600, 2023. DOI: 10.1007/s12221-023-00343-0.

[ACM Style]

Subhankar Maity, Madhu Yadav, and Arun Kumar Patra. 2023. Polypyrrole Coated Textiles as Photothermal Material for Interfacial Solar Evaporation. Fibers and Polymers, 24, 10, (2023), 3591-3600. DOI: 10.1007/s12221-023-00343-0.

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