Fiber Nanocomposites Based on Two-Dimensional Nanosheets

The integration of two-dimensional (2D) nanosheets into fiber nanocomposites represents a cutting-edge frontier in the realms of flexible electronics. This chapter surveys recent advancements in the preparation approaches, interface construct, mechanical and electrical properties, and applications of fiber nanocomposites, emphasizing their transformative impact on electrical functionalities for flexible electronics. The incorporation of diverse 2D nanosheets, including graphene, Ti3C2Tx (MXene), transition metal dichalcogenides, and black phosphorus, into fibrous structures has led to a paradigm shift in material engineering through the interfacial interactions. The resulting nanocomposites exhibit tailored mechanical and electronic properties, leveraging the unique attributes of 2D nanosheets to enhance light-matter interactions and facilitate efficient charge transport. These fiber nanocomposites have demonstrated versatility in the design of novel devices such as wearable energy storage, flexible sensors, and wearable energy harvesters for flexible and wearable electronic. These fiber nanocomposites boast enhanced electronic conductivity, mechanical property, and lightweight attributes, paving the way for the development of flexible electronic technologies. Looking forward, the transformative impact of these materials is anticipated to extend into the realms of human healthcare and the Internet of Things (IoT), presenting exciting opportunities for further research and technological innovation. This chapter serves as a valuable resource for researchers and practitioners seeking insights into the current state-of-the-art, challenges, and future directions in the dynamic field of fiber nanocomposites for flexible and wearable electronic applications.