Exploring the properties of 2D materials has become a focal point in the realm of flexible devices, driven by their exceptional optical, electrical, thermal, and mechanical characteristics. From electronics to sensors, these materials are transforming industries with their diverse applications. Topics include fundamentals, manufacturing and challenges, biomedical applications, and flexible photovoltaics. It covers state-of-the-art development in 2D materials and their emerging applications in flexible devices, diving into atomic-level reactions and structure-performance relationships to offer a more thorough understanding of the field. Each chapter provides details about the synthesis and characterisation of 2D materials, providing new directions to scientists, researchers, and students to better understand the principles, technologies, and applications of two-dimensional materials for emerging applications Researchers and graduate students focused on the study of 2D materials in both physics and chemistry will find this book insightful. In addition, it will be of use to both engineers developing devices using flexible 2D materials as well as professionals working with consumer electronics. Dr. Ram K. Gupta, Associate Vice President for Research and Support and a Professor of Chemistry at Pittsburg State University, stands at the forefront of scientific achievement. Recently acknowledged by Stanford University as one of the top 2% of research scientists worldwide, Dr. Gupta’s contributions span a diverse array of disciplines critical to addressing both current and future societal challenges. His research endeavors cover a wide array of areas, including semiconducting materials and devices, biopolymers, flame-retardant polymers, and green energy production and storage utilizing nanostructured materials and conducting polymers.