Journal of Nanomedicine & Nanotechnology

Abstract

Utilization of Morinda coreia Fruit-Derived Green-Emissive Nitrogen-Doped Carbon Quantum Dots for the Discriminative and Responsive Detection of Ferric Ions in Aqueous Environments

Hong Zhang*

The utilization of carbon quantum dots (CQDs) derived from Morinda coreia fruits has garnered attention for their potential in sensing applications, particularly in the detection of ferric ions (Fe^3+) in aqueous environments. This study focuses on the synthesis, characterization, and application of Morinda coreia fruit-derived green-emissive nitrogen-doped carbon quantum dots for the discriminative and responsive detection of ferric ions. The synthesis involves a facile and eco-friendly approach, resulting in CQDs with enhanced optical properties and surface functionalities. Characterization techniques including transmission electron microscopy (TEM), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), and Fourier-transform infrared spectroscopy (FTIR) elucidate the morphology, composition, and surface chemistry of the CQDs. The nitrogen doping induces energy levels within the carbon matrix, leading to strong green-emission under ultraviolet (UV) excitation. The selective detection of ferric ions is achieved through the quenching of green emission upon interaction with surface functional groups, demonstrating sub-nanomolar detection limits and high selectivity. Moreover, the responsive behavior of the CQDs enables real-time monitoring and dynamic sensing of ferric ions, enhancing their utility in environmental monitoring and analytical chemistry. This work highlights the potential of Morinda coreia fruit-derived CQDs as versatile platforms for sensitive and selective detection in aqueous environments, with implications for various applications in environmental remediation and biomedical diagnostics.

Published Date: 2024-03-31; Received Date: 2024-03-01