Preparation of Superhydrophobic Cotton Fabric with Ultraviolet Resistance and Photocatalysis Based on CuS/Reduced Graphene Oxide

Xu, Lixin Colin; Li, Jun; Pan, Hong; Wang, Liming; Liu, Yadong; Shen, Yong

doi:10.1002/slct.202300167

Cited by 6 publications

(1 citation statement)

References 25 publications

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“…Hierarchical micro/nano surface structures were formed by the cotton fabric/rGO/TiO 2 -PDMS multilayers, which made the coated fabric superhydrophobic (WCA = 159.3 • ) and water-repellent; the presence of TiO 2 nanoparticles in the coating made it photoactive and gained the function of photocatalytic degradation of color stains and contaminants under UV radiation. By integrating rGO with the photoactive CuS particles and PDMS, L. Xu et al have fabricated robust superhydrophobic coating on cotton fabrics with excellent UV protection and photodegradation properties [93]. The rGO and CuS particles were encapsulated by the PDMS matrix, which was strongly adhered to the cotton fabric substrate via covalent bonds.…”

Section: Tunable Superwettability and Separation Propertymentioning

confidence: 99%

Functionalization of Fabrics with Graphene-Based Coatings: Mechanisms, Approaches, and Functions

Liu,

Fei,

Xin

2023

Coatings

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Due to their unique surface-active functionalities, graphene and its derivatives, i.e., graphene oxide (GO) and reduced graphene oxide (rGO), have received enormous research attention in recent decades. One of the most intriguing research hot spots is the integration of GO and rGO coatings on textiles through dyeing methods, e.g., dip-pad-dry. In general, the GO sheets can quickly diffuse into the fabric matrix and deposit onto the surface of the fibers through hydrogen bonding. The GO sheets can be conformally coated on the fiber surface, forming strong adhesion as a result of the high flakiness ratio, mechanical strength, and deformability. Moreover, multiple functions with application significance, e.g., anti-bacteria, UV protection, conductivity, and wetting control, can be achieved on the GO and rGO-coated fabrics as a result of the intrinsic chemical, physical, electronic, and amphiphilic properties of GO and rGO. On the other hand, extrinsic functions, including self-cleaning, self-healing, directional water transport, and oil/water separation, can be achieved for the GO and rGO coatings by the integration of other functional materials. Therefore, multi-scale, multifunctional, smart fabrics with programmable functions and functional synergy can be achieved by the design and preparation of the hybrid GO and rGO coatings, while advanced applications, e.g., healthcare clothing, E-textiles, anti-fouling ultrafiltration membranes, can be realized. In this review, we aim to provide an in-depth overview of the existing methods for functionalizing fabrics with graphene-based coatings while the corresponding functional performance, underlying mechanisms and applications are highlighted and discussed, which may provide useful insights for the design and fabrication of functional textiles and fabrics for different applications.

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Section: Tunable Superwettability and Separation Propertymentioning

confidence: 99%

Functionalization of Fabrics with Graphene-Based Coatings: Mechanisms, Approaches, and Functions

Liu,

Fei,

Xin

2023

Coatings

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Facile preparation of CuS microspheres-based superhydrophobic paper with self-cleaning, high chemical stability, and photothermal effect enhanced separation of oil/water mixtures and emulsions

Cao,

Guo,

Gao

et al. 2024

Cellulose

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Frequent oil spill accidents and the discharge of oily wastewaters cause signi cant threats to the marine ecological systems and human health. Herein, a CuS microspheres based superhydrophobic paper (CuS SP) has been prepared with the photothermal property for e cient oil/water separation and emulsions.To increase the durability, polydopamine is introduced to cellulosic bers of the lter paper via selfassembly of dopamine. The CuS SP exhibits a water contact angle of 150.5° and an oil contact angle of ~ 0°, displaying excellent superhydrophobicity and superoleophilicity. Also, the CuS SP possesses excellent chemical resistance, thermal stability, mechanical durability and self-cleaning property. More importantly, the surface temperature of the CuS SP can reach about 48 ℃ after 100 s under one sunlight irradiation (1.0 kW•m -2 ). The separation ux of CCl 4 can be increased about 14.3% under one sunlight irradiation by using the CuS SP when compared with that without sunlight irradiation. Although the photothermal effect has no obvious in uence on the separation e ciency, the CuS SP still shows a high separation e ciency (> 99%) for CCl 4 under 15 cyclic separation tests with/without sunlight irradiation.Besides, in situ experimental observations for the separation of oil-in-water emulsions have been investigated with the CuS SP by using an optical microscopy, and the possible mechanisms for the separation of oil-in-water emulsions are discussed. Thus, the as-prepared CuS SP shows great potentials in the practical applications of self-cleaning, and the separation of oil/water mixtures and emulsions.

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Fabrication of robust and sustainable superhydrophobic cotton fabrics via surface micro-dissolve method for oil/water separation

Ji,

Zhong

2024

Cellulose

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Preparation of Superhydrophobic Cotton Fabric with Ultraviolet Resistance and Photocatalysis Based on CuS/Reduced Graphene Oxide

Cited by 6 publications

References 25 publications

Functionalization of Fabrics with Graphene-Based Coatings: Mechanisms, Approaches, and Functions

Functionalization of Fabrics with Graphene-Based Coatings: Mechanisms, Approaches, and Functions

Facile preparation of CuS microspheres-based superhydrophobic paper with self-cleaning, high chemical stability, and photothermal effect enhanced separation of oil/water mixtures and emulsions

Fabrication of robust and sustainable superhydrophobic cotton fabrics via surface micro-dissolve method for oil/water separation

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