Carbon nanoparticles (CNPs) have emerged as a promising candidate because of their interesting properties. They can be synthesized by chemical method as well as through green chemistry. Herein, we report a green synthesis approach for the CNPs from spider silk by pyrolysis at temperature 400 ℃ without using any carbonizing or passivating agent. The structural and optical properties of the synthesized CNPs have been characterized by using X-Ray diffraction (XRD), Raman spectroscopy, SEM

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... electron microscope) -Energy Dispersive X-Ray (EDAX) analysis, UV-Visible and photoluminescence (PL) spectroscopy. The results obtained show that prepared carbon nanoparticles (CNPs) have a great potential for bio-sensing, bio-imaging, disease diagnosis, and other different optoelectronic device applications.