Facile and Green synthesis of fluorescent N-doped carbon dots from betel leaves for sensitive detection of Picric acid and Iron ion

In this present work, a facile, green, cost effective route has been applied for the synthesis of water soluble carbon dots from betel leaves by hydrothermal route. As obtained nitrogen doped carbon dots (N-CDs) show remarkable advantages such as water solubility, biocompatibility and excellent stability. It is analyzed by vital characterization techniques such as HR-TEM, AFM, PSA, XRD, XPS, FTIR, UV-–vis and fluorescence spectroscopy with...