In the rapidly evolving world of advanced textiles, a groundbreaking review published in *Materials Today Advances* (which translates to *Materials Today Advances* in English) is set to redefine the landscape of smart fabrics. Led by Bekinew Kitaw Dejene from the Department of Textile Engineering at Hawassa University in Ethiopia, and affiliated with the University of Lille in France, the research delves into the transformative potential of core-sheath fibers, offering a glimpse into a future where textiles do more than just cover us—they interact with us and our environment in sophisticated ways.
Smart textiles are no longer a thing of science fiction. They are here, and they are evolving. The review by Dejene and colleagues critically examines the latest advancements in smart core-sheath fibers, which are essentially fibers with distinct materials integrated within a single structure. This design allows for the optimization of mechanical, electrical, thermal, and biological properties, surpassing the capabilities of conventional fibers.
“The spatial separation and synergistic integration of distinct materials within a single fiber enable us to achieve functionalities that were previously unimaginable,” Dejene explains. This innovation is not just about creating smarter fabrics; it’s about creating fabrics that can sense, respond to, and adapt to environmental stimuli, making them invaluable in various sectors, including energy.
One of the most compelling aspects of this research is its potential impact on the energy sector. Imagine fabrics that can harvest energy from the environment, converting movement, heat, or light into usable power. This could revolutionize wearable electronics, making devices more sustainable and efficient. “The applications in energy harvesting are particularly exciting,” Dejene notes. “These fibers could be integrated into clothing, making it possible to power devices on the go, reducing our reliance on traditional energy sources.”
The review also explores various fabrication approaches, such as coaxial electrospinning, wet spinning, melt spinning, microfluidic spinning, and thermal drawing. Each method offers unique advantages in terms of scalability, structural precision, and suitability for core-sheath fiber manufacturing. This versatility is crucial for commercial applications, ensuring that the technology can be adapted to meet the specific needs of different industries.
Moreover, the research highlights the potential of these advanced textiles in wearable electronics, biomedical systems, protective clothing, and environmental monitoring. The enhanced durability, adaptability, and resilience of core-sheath structures under mechanical and environmental stresses make them ideal for these applications. “The durability and adaptability of these fibers are key factors in their success,” Dejene adds. “They need to withstand the rigors of everyday use while maintaining their functionality.”
However, the journey towards widespread adoption is not without its challenges. Interfacial stability, washability, and sustainability are persistent issues that need to be addressed. Dejene and his team discuss these challenges in depth, offering strategic perspectives and future research directions to overcome them. “We need to focus on creating scalable, eco-friendly, and high-performance smart textile systems,” Dejene emphasizes. “This will require a holistic approach that connects material design, fabrication processes, and end-use functionality.”
As the world continues to embrace smart technologies, the research by Dejene and his colleagues provides a unified framework that could shape the future of advanced textiles. The potential commercial impacts are vast, particularly in the energy sector, where the integration of smart core-sheath fibers could lead to more sustainable and efficient energy solutions. This research is not just a step forward; it’s a leap into a future where our textiles are as intelligent as they are functional.

