Multifunctional and Water‐Resistant MXene‐Decorated Polyester Textiles with Outstanding Electromagnetic Interference Shielding and Joule Heating Performances

Wang, Qiwei; Zhang, Haobin; Liu, Ji; Zhao, Shu Yang Frank; Xie, Xi; Liu, Liu‐Xin; Yang, Rui; Koratkar, Nikhil; Yu, Zhong‐Zhen

doi:10.1002/adfm.201806819

Cited by 624 publications

(458 citation statements)

References 61 publications

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“…Numerous efforts have been devoted to improve the materials performance of Ti 3 C 2 T x films by enhancing the interfacial interaction between Ti 3 C 2 T x layers . Among them, incorporation of polymers or metal ions as reinforced fillers into Ti 3 C 2 T x films was explored for years with the establishment of the repository of materials and fabrication techniques.…”

Section: Introductionmentioning

confidence: 99%

“…Tuning the interfacial interaction between Ti 3 C 2 T x nanosheets, for example, increasing the stacking order of Ti 3 C 2 T x layers by spin‐coating, removing intercalated water by thermal treatment or minimizing the oxidation of Ti 3 C 2 T x nanosheets was also proved to be efficient methods for the improvement of electrical conductivity (from the typical value on the order of 3000–5000 S cm −1 to the optimized value up to 14 000 S cm −1 ). However, these attempts failed to provide an efficient solution to the poor hydration stability that stems from the presence of intercalants inside Ti 3 C 2 T x films, and more seriously, the hydration of Ti 3 C 2 T x films makes the material vulnerable to oxidation, which could be solved only with the complicated packaging techniques …”

Section: Introductionmentioning

confidence: 99%

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Pristine Titanium Carbide MXene Films with Environmentally Stable Conductivity and Superior Mechanical Strength

Chen

Wen

et al. 2019

Adv Funct Materials

160

177

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2D titanium carbide (Ti 3 C 2 T x MXene) has potential application in flexible/ transparent conductors because of its metallic conductivity and solution processability. However, solution-processed Ti 3 C 2 T x films suffer from poor hydration stability and mechanical performance that stem from the presence of intercalants, which are unavoidably introduced during the preparation of Ti 3 C 2 T x suspension. A proton acid colloidal processing approach is developed to remove the extrinsic intercalants in Ti 3 C 2 T x film materials, producing pristine Ti 3 C 2 T x films with significantly enhanced conductivity, mechanical strength, and environmental stability. Typically, pristine Ti 3 C 2 T x films show more than twofold higher conductivity (10 400 S cm −1 vs 4620 S cm −1 ) and up to 11-and 32-times higher strength and strain energy at failure (112 MPa, 1,480 kJ m −3 , vs 10 MPa, 45 kJ m −3 ) than films prepared without proton acid processing. Simultaneously, the conductivity and mechanical integrity of pristine films are also largely retained during the long-term storage in H 2 O/O 2 environment. The improvement in mechanical performance and conductivity is originated from the intrinsic strong interaction between Ti 3 C 2 T x layers, and the absence of extrinsic intercalants makes pristine Ti 3 C 2 T x films stable in humidity by blocking the intercalation of H 2 O/O 2 . This method makes the material more competitive for real-world applications such as electromagnetic interference shielding.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Pristine Titanium Carbide MXene Films with Environmentally Stable Conductivity and Superior Mechanical Strength

Chen

Wen

et al. 2019

Adv Funct Materials

160

177

View full text Add to dashboard Cite

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“…When an incident electromagnetic wave radiates to the composite paper, part of the electromagnetic wave is reflected while the rest interacts with the conductive MXene, which results in energy dissipation of electromagnetic waves. In addition, the multiple internal reflections between composite paper fibers also contributes to the loss of electromagnetic energy (Wang Q. et al, 2019).…”

Section: Resultsmentioning

confidence: 99%

“…Nevertheless, with the increasing demand for wearable devices today, single-functional materials with high EMI-shielding performances are no longer sufficient (Wang Q. et al, 2019). Although many MXene-based films and textiles were fabricated for flexible EMI shielding, to our knowledge, the flexible MXene membrane-like materials are far from meeting the needs of practical applications.…”

Section: Introductionmentioning

confidence: 99%

Breathable and Wearable MXene-Decorated Air-Laid Paper With Superior Folding Endurance and Electromagnetic Interference-Shielding Performances

Liu

Wei

et al. 2019

Front. Mater.

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With the development of electronic information technology, electromagnetic shielding pollution has become a thorny environmental problem. Two-dimensional transition metal carbides/nitrides (MXenes) are regarded as the next-generation material for electromagnetic interference (EMI) shielding due to their excellent electrical conductivity and large specific surface area. Flexible membrane-like MXene-based materials in EMI shielding have received tremendous attention, but very few of them can meet the actual needs of durability, stability, and breathability in daily life. In this article, we chose air-laid paper as a flexible substrate for preparing MXene-decorated composite paper by a simple "dipping and drying" method. This composite paper exhibits a high electrical conductivity of 173.0 S m −1 , a superior EMI shielding efficiency (more than 90% of the electromagnetic waves in X-band), good mechanical flexibility (more than 9.8 × 10 4 times), and breathability. Moreover, the composite paper shows excellent durability after folding or soaking in artificial sweat. Therefore, the as-prepared MXene-decorated composite paper has a promising application in EMI-shielding clothing fields.

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“…[7,22,[24][25][26][27] Therefore, multifunctionality becomes a major trend in flexible wearable electronics, which can effectively reduce production costs and save space.Interestingly, the flexible conductors, resistive-type strain sensors, and Joule heaters have similar device structures, making it possible to integrate all these functions in one device. [7,22,[24][25][26][27] Therefore, multifunctionality becomes a major trend in flexible wearable electronics, which can effectively reduce production costs and save space.…”

mentioning

confidence: 99%

Multifunctional Ultrastretchable Printed Soft Electronic Devices for Wearable Applications

Tian

Luo

et al. 2019

Adv Elect Materials

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the researchers are beginning to introduce some features (such as the flexibility, bendability, self-healing, stretchability, sensing function, heater management) into the single electronic device to achieve the multifunctional integrated electronic systems. [7,22,[24][25][26][27] Therefore, multifunctionality becomes a major trend in flexible wearable electronics, which can effectively reduce production costs and save space.Interestingly, the flexible conductors, resistive-type strain sensors, and Joule heaters have similar device structures, making it possible to integrate all these functions in one device. [28,29] Recently, Souri and Bhattacharyya reported highly stretchable multifunctional wearable electronics (MWEs) based on conductive wool fabrics coated with graphene nanoplatelets and carbon black, which possessed sensing and heating performance. [7] However, owing to the high initial resistance (1.22 ± 0.15 KΩ), the MWEs require a high load voltage of 20 V to heat up to 103 °C, and its gauge factor (GF) is less than 0.5. [7] Cai and coauthors prepared MWEs based on carbon nanotube (CNT)/ cotton/spandex composite yarn that can be stretched to 350%, but also exhibit low sensitivity and poor heating performance (heated to 105 °C at 10 V). [8] Therefore, it is still a challenge to obtain the MWEs with high stretchability, good sensitivity, and excellent low-voltage driving heating performance.The electrical conductivity determines the performance of conductors and low-voltage driving heaters, in par with the sensitivity of resistive-type strain sensors. Compared with the carbon-based materials (such as graphene, [30] CNTs, [5] and carbonized fibers [31] ), the metallic nanomaterials, especially of silver nanomaterials (including Ag nanowires, Ag flakes) usually have superior electrical conductivity. [32][33][34] Among in silver nanomaterials, silver fractal dendrites (Ag FDs) with unique branch structure could obtain high conductivity at lower sintering temperature (<80 °C). The unique structure of Ag FDs provides larger surface area, which is beneficial to maintain the connection of conductive path under tensile strain. [9,28,35] In our previous works, the preparation process of the Ag FDs is simple and fast, enabling mass production. [9,28] Therefore, the Ag FDs is an ideal conductive material for fabricating the MWEs with high conductivity, excellent sensing performance and Joule heating performance.Another challenge is to exploit a simple and fast way to fabricate the high-performance MWEs. Conductors, resistivetype strain sensors and heaters have simple and similar device Multifunctionality is a major development trend in flexible stretchable wearable electronics, requiring integration of electrical conductivity, sensing performance, and heating management on a portable electronic device. Herein, the silver fractal dendrites (Ag FDs) conductive ink is formulated and deposited into the polystyrene-block-polyisoprene-block-polystyrene (SIS) thin films by a simple and cost-effective transfer-printing method...

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Multifunctional and Water‐Resistant MXene‐Decorated Polyester Textiles with Outstanding Electromagnetic Interference Shielding and Joule Heating Performances

Cited by 624 publications

References 61 publications

Pristine Titanium Carbide MXene Films with Environmentally Stable Conductivity and Superior Mechanical Strength

Pristine Titanium Carbide MXene Films with Environmentally Stable Conductivity and Superior Mechanical Strength

Breathable and Wearable MXene-Decorated Air-Laid Paper With Superior Folding Endurance and Electromagnetic Interference-Shielding Performances

Multifunctional Ultrastretchable Printed Soft Electronic Devices for Wearable Applications

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