The quest for novel materials with exceptional electronic properties continues to drive innovation and exploration in the rapidly evolving nanotechnology landscape. Among these materials, quantum dots have emerged as a subject of intense investigation, captivating researchers with their intriguing electronic properties and potential applications in next-generation electronic devices. Quantum dots (QDs) are semiconducting nanoparticles, only a few nanometers in size (2 to 15 nanometers in diameter), having optical and electronic properties that differ from that of the bulk. QDs can emit light of various colors depending on their size/shape and possess promising diverse applications across multiple fields, driven by their unique properties derived from quantum confinement. Moreover, the compatibility of tin with existing semiconductor technologies opens avenues for integrating SnQDs into electronic circuits, potentially enabling the development of faster, more energy-efficient devices, which trigger innovations in emerging fields like flexible electronics biomedicine, energy storage, electrocatalysis, QLEDs, solar cells, and sensors. . Tin exists as a tetragonal (β-Sn) or a cubic (α-Sn) allotrope at temperatures above and below approximately 13 °C, respectively. In addition to these well-known phases, tin has been reported to have a transition from β-Sn to γ-Sn (a simple hexagonal lattice) at 450 K. The band structure of tin varies significantly depending on its crystalline phase and the degree of dimensional confinement. For example, bulk Tin (White Tin or β-Tin) exhibits a tetragonal crystal structure and features partially filled conduction bands, allowing free movement of electrons, which accounts for its high electrical conductivity whereas gray Tin (α-Tin) behaves as a zero-gap semiconductor.