High‐electromagnetic‐shielding cotton fabric prepared using multiwall carbon nanotubes/nickel–phosphorus electroless plating

Abstract

High‐electromagnetic‐shielding cotton fabric (CF) was prepared using carboxyl‐functionalized multiwall carbon nanotubes (MWCNTs‐COOH)/nickel–phosphorus (Ni‐P) electroless plating. Firstly, MWCNTs‐COOH was loaded on CF used to chelate the metal catalyst followed by electroless plating to impart outstanding electrical conductivity and electromagnetic shielding properties. The intermediate MWCNTs‐COOH layer not only improves the bonding strength via the chelating effect, but also can be used as a conductive material. This synergistic action of MWCNTs‐COOH and Ni‐P layer can work together to improve the electromagnetic interference shielding performance. The features of Ni‐P/MWCNTs‐COOH/CF were characterized using scanning electron microscopy, energy‐dispersive spectroscopy, X‐ray photoelectron spectroscopy and X‐ray diffraction. The resulting Ni‐P/MWCNTs‐COOH/CF fabrics show high surface resistance of 1.66 Ω sq−1 and robust electromagnetic shielding effectiveness of 40.2 dB. Furthermore, benefiting from the strong interface interaction, the as‐prepared composite fabrics retain stable performances after undergoing a series of physical and chemical tests, confirming promising practical applications even under harsh conditions.

Conductive, superhydrophobic, and microwave-absorbing cotton fabric by dip-coating of aqueous silk nanofibers stabilized MWCNTs and octadecanoyl chain bonding

“…Because of its light weight, nanocarbon-based absorbing materials can absorb electromagnetic energy maximally in a wide frequency range, which has gradually become the focus of attention in the eld of absorbing waves in the new era (Qi et al 2020;Zhang et al 2021). The microwave absorption performance in case of various thickness were characterized by calculating RL values (Fig.…”

Multifunctional Hydrophobic MXene-Coated Cotton Fabrics for Electro/Photothermal Conversion, Electromagnetic Interference Shielding, and Pressure Sensing

“…The chemical plating process is highly complex and causes heavy metal pollution. 20 Unfortunately, due to its low conductivity and the poor fastness of the conductive polymer on the material, this conductive fabric was still hard to use in electronic textiles. 21 Subsequently, Lian et al proposed an integrated strategy using metal nanowire-impregnated fabrics that can provide pressure sensing functions, joule heating, and particle filtration.…”

“…The surface resistance of the prepared conductive fabric is up to 1.66 Ω/sq, and the electromagnetic shielding effect can be up to 40.2 dB. The chemical plating process is highly complex and causes heavy metal pollution . Meanwhile, Gong et al prepared a conductive multifunctional polyester fabric via a repeated spraying process using poly­(3,4-ethylene dioxythiophene)/poly­(styrene sulfonate) solution (PEDOT:PSS).…”

Constructing Fireproof MXene-Based Cotton Fabric/Thermoplastic Polyurethane Hierarchical Composites via Encapsulation Strategy

“…Additionally, the cotton fabric involving titanium carbide (MXene) nanosheet and carboxymethyl chitosan showed more than 66% reduction in the peak of heat release rate (PHRR) . Specially, MXene is a promising type of two-dimensional nanomaterial and has a typical metal layered structure. , Recently, many researchers have introduced MXene onto cotton fabric via simple spraying or dip coating method to obtain the high electrical conductivity of wearable devices. − However, the fascinated MXene material containing the titanium (Ti) and carbon (C) element can be found to catalyze the formation of a high-quality carbon layer in the polymer matrix during the combustion. , Therefore, it can be conducive to functionalize textiles for improving excellent flame retardancy and reducing toxic gases release.…”

“…35−37 However, the fascinated MXene material containing the titanium (Ti) and carbon (C) element can be found to catalyze the formation of a highquality carbon layer in the polymer matrix during the combustion. 38,39 Therefore, it can be conducive to functionalize textiles for improving excellent flame retardancy and reducing toxic gases release.…”