The advancement and utilization of nano-scale biomaterials in the diagnosis and treatment of tumors have been notable over the last few decades, primarily owing to their appealing characteristics such as small particle size, adjustable properties, and remarkable biocompatibility. The creation of nanomaterials possessing versatility and a customizable nature, consequently, holds great promise for advancing healthcare and improving patient outcomes. Here, we report the controllable synthesis of monodisperse bismuth-based (Bi