Coaxial electrospinning: Design, characterization, mechanistic insights and their emerging applications in solar cells

This comprehensive review explores the multifaceted realm of coaxial electrospinning, delving into its intricate design principles, thorough characterization methodologies, mechanistic insights, and burgeoning applications within the domain of solar cells. The coaxial electrospinning process, distinguished by its unique capability to produce core-shell nanofibrous structures, is meticulously examined in terms of its design intricacies and parametric influences. Characterization techniques employed for assessing the morphological, structural, and functional attributes of coaxially electrospun fibers are elucidated, providing a holistic understanding of the process and its resultant materials. The mechanistic insights section dissects the underlying physics and chemistry governing coaxial electrospinning, unraveling the intricacies of fluid dynamics, interfacial interactions, and phase separation. This in-depth analysis facilitates a nuanced comprehension of the key factors influencing fiber morphology and composition, fostering informed control over the process for tailored applications. Highlighting the emerging applications in solar cell technology, the review showcases the versatility of coaxial electrospinning in crafting materials with superior functionalities crucial for photovoltaic devices. Whether enhancing charge transport properties, optimizing light absorption, or engineering advanced electrode architectures, coaxial electrospinning emerges as a transformative technique contributing to the ongoing advancements in solar energy harvesting. By synthesizing the latest advancements and consolidating knowledge from diverse perspectives, this review serves as a valuable resource for researchers, engineers, and practitioners seeking an in-depth exploration of coaxial electrospinning, its design intricacies, characterization techniques, mechanistic foundations, and its transformative role in shaping the future landscape of solar cell technologies