Black Phosphorus: Paving the Way for Flexible Supercapacitors in Wearable Electronics

The utilization of flexible supercapacitors (FSCs) is gaining momentum in the realm of wearable electronics, owing to their multifarious advantages and immense potential for future applications. Black phosphorus (BP) is rapidly emerging as an auspicious material in the field of FSCs. The exceptional features of this material, including its remarkable surface area, excellent carrier mobility, anisotropic characteristics, impressive electrical conductivity, and rapid ion diffusion properties, render it highly suitable for practical applications. Some specifications, such as design, development, and safety concerns of emerging electrode materials for FSCs in wearable electronics, are highlighted here. This review briefly explains the various synthesis methods for bulk BP, single-layer and few-layer BP (FL-BP) fabrication methods, and black phosphorus quantum dots (BPQDs). Both top-down and bottom-up approaches are addressed for producing single/FL-BP. Also, this review discusses the interaction of BP with other 2D materials to make a synergistic effect and compares the electrochemical performance. Discover the latest breakthrough in wearable electronics with the first-ever review of BP-based FSC applications. From technical specifications to real-world applications, this review covers everything to know to stay ahead of the curve. So buckle up and get ready to explore the exciting world of BP-based FSC devices.