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MXene hydrogels: fundamentals and applications.
Chemical Society Reviews ( IF 40.4 ) Pub Date : 2020-09-16 , DOI: 10.1039/d0cs00022a Yi-Zhou Zhang 1 , Jehad K El-Demellawi 1 , Qiu Jiang 1 , Gang Ge 2 , Hanfeng Liang 1 , Kanghyuck Lee 1 , Xiaochen Dong 3 , Husam N Alshareef 1
Chemical Society Reviews ( IF 40.4 ) Pub Date : 2020-09-16 , DOI: 10.1039/d0cs00022a Yi-Zhou Zhang 1 , Jehad K El-Demellawi 1 , Qiu Jiang 1 , Gang Ge 2 , Hanfeng Liang 1 , Kanghyuck Lee 1 , Xiaochen Dong 3 , Husam N Alshareef 1
Affiliation
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Hydrogels have recently garnered tremendous interest due to their potential application in soft electronics, human–machine interfaces, sensors, actuators, and flexible energy storage. Benefiting from their impressive combination of hydrophilicity, metallic conductivity, high aspect ratio morphology, and widely tuneable properties, when two-dimensional (2D) transition metal carbides/nitrides (MXenes) are incorporated into hydrogel systems, they offer exciting and versatile platforms for the design of MXene-based soft materials with tunable application-specific properties. The intriguing and, in some cases, unique properties of MXene hydrogels are governed by complex gel structures and gelation mechanisms, which require in-depth investigation and engineering at the nanoscale. On the other hand, the formulation of MXenes into hydrogels can significantly increase the stability of MXenes, which is often the limiting factor for many MXene-based applications. Moreover, through simple treatments, derivatives of MXene hydrogels, such as aerogels, can be obtained, further expanding their versatility. This tutorial review intends to show the enormous potential of MXene hydrogels in expanding the application range of both hydrogels and MXenes, as well as increasing the performance of MXene-based devices. We elucidate the existing structures of various MXene-containing hydrogel systems along with their gelation mechanisms and the interconnecting driving forces. We then discuss their distinctive properties stemming from the integration of MXenes into hydrogels, which have revealed an enhanced performance, compared to either MXenes or hydrogels alone, in many applications (energy storage/harvesting, biomedicine, catalysis, electromagnetic interference shielding, and sensing).
中文翻译：
MXene水凝胶：基本原理和应用。
由于水凝胶在软电子产品，人机界面，传感器，执行器和柔性储能方面的潜在应用，近来引起了极大的兴趣。得益于其亲水性，金属导电性，高长宽比形态和广泛可调节特性的出色组合，当将二维（2D）过渡金属碳化物/氮化物（MXenes）掺入水凝胶体系中时，它们提供了令人兴奋且用途广泛的平台基于MXene的软材料的设计，具有可调整的特定应用程序特性。MXene水凝胶的迷人特性（在某些情况下，其独特特性）受复杂的凝胶结构和凝胶化机制支配，这需要在纳米级进行深入的研究和工程设计。另一方面，将MXene配制成水凝胶可以显着提高MXene的稳定性，而这通常是许多基于MXene的应用的限制因素。此外，通过简单的处理，可以获得MXene水凝胶的衍生物，例如气凝胶，从而进一步扩展了其多功能性。本教程复习旨在展示MXene水凝胶在扩展水凝胶和MXene的应用范围以及提高基于MXene的设备的性能方面的巨大潜力。我们阐明了各种含MXene的水凝胶体系的现有结构，以及它们的凝胶化机理和相互联系的驱动力。然后，我们将讨论由于MXenes集成到水凝胶中而产生的独特性能，这些性能显示出增强的性能，
更新日期：2020-10-19
中文翻译：
MXene水凝胶：基本原理和应用。
由于水凝胶在软电子产品，人机界面，传感器，执行器和柔性储能方面的潜在应用，近来引起了极大的兴趣。得益于其亲水性，金属导电性，高长宽比形态和广泛可调节特性的出色组合，当将二维（2D）过渡金属碳化物/氮化物（MXenes）掺入水凝胶体系中时，它们提供了令人兴奋且用途广泛的平台基于MXene的软材料的设计，具有可调整的特定应用程序特性。MXene水凝胶的迷人特性（在某些情况下，其独特特性）受复杂的凝胶结构和凝胶化机制支配，这需要在纳米级进行深入的研究和工程设计。另一方面，将MXene配制成水凝胶可以显着提高MXene的稳定性，而这通常是许多基于MXene的应用的限制因素。此外，通过简单的处理，可以获得MXene水凝胶的衍生物，例如气凝胶，从而进一步扩展了其多功能性。本教程复习旨在展示MXene水凝胶在扩展水凝胶和MXene的应用范围以及提高基于MXene的设备的性能方面的巨大潜力。我们阐明了各种含MXene的水凝胶体系的现有结构，以及它们的凝胶化机理和相互联系的驱动力。然后，我们将讨论由于MXenes集成到水凝胶中而产生的独特性能，这些性能显示出增强的性能，
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