One-Pot Synthesis of Blue Fluorescent Carbon Quantum Dots Derived from Simmondsia chinensis Seed Meal

Abstract:

This work, report a simple synthesis of carbon quantum dots (CQDs) derived from Simmondsia chinensis (Jojoba) seed meal. Simmondsia chinensis seed meal was used because it has rich phytochemical contents. The structural, morphological, functional group and optical properties of the obtained CQDs were studied using X-ray diffraction spectroscopy (XRD), Transmission electron microscopy (TEM), Fourier Transform Infrared Spectroscopy (FTIR), Zeta potential, UV-vis and spectrophotometer, respectively. The TEM shows that the obtained CQDs have an average size of 8.48 nm. The photoluminescence spectroscopy revealed that the synthesized CQDs can emit tunable bluish photoluminescence with maximum emission intensity was observed at 400 nm under 340 nm excitation wavelength.

• Periodical: Journal of Nano Research (Volume 89)
• Pages: 33-38
• DOI: https://doi.org/10.4028/p-Yj9m9s
• Online since: October 2025
• Authors: Wuoi Samuel Mabior, Hesham Soliman, Mohsen Ghali*
• Keywords: Fluorescent, Jojoba (Simmondsia Chinensis) Meals Carbon Quantum Dots, Synthesis

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