Synthesis and characterization of carbon quantum dots with different methods using biomass and food sources: Determination of surface properties and particle diameters


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Authors

  • Veli ŞİMŞEK Bilecik Seyh Edebali University

Keywords:

Biomass, Morus Nigra L, Silybum Marianum, Cqds, Green Chemistry, Hydrothermal And Solvothermal Method

Abstract

Nowadays, carbon quantum dots (CQD), a member of the nanoparticle family, are gaining
popularity due to their advantageous optical and energy properties. It is vital for the continued
sustainability of the environment that the chemicals and processes used in the synthesis of such materials
are eco- friendly. The aim of the research will be to synthesize biocompatible CQDs from various waste
biomass sources that are carbon sources using green chemistry hydrothermal and solvent thermal
methods, as well as to develop and modify surface properties. First, CQDs were synthesized from various
biocompatible biomass sources using green chemical hydrothermal and solvothermal methods. The UV
VIS, FT-IR, SEM/EDX, MAPPING, ZETA sizer and fluorescent microscope analysis methods were used
to examine the structural properties of the obtained CQDs. In addition, the color spectra of the dispersion
samples were determined using a UV-Lamp. According to the obtained UV-VIS analysis results, it was
determined that CQDs absorb light at 284nm. Although CQDs are transparent and yellow under daylight,
they have been observed to emit a particularly bright blue fluorescence under UV light (365nm). Blue
fluorescence spectrums in the literature indicate the presence of CQDs between 2 and 5 nm.

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Author Biography

Veli ŞİMŞEK, Bilecik Seyh Edebali University

Chemical Engineering Department, 11210, Gulumbe Campus, Bilecik/Turkey

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Published

2025-07-12

How to Cite

ŞİMŞEK, V. (2025). Synthesis and characterization of carbon quantum dots with different methods using biomass and food sources: Determination of surface properties and particle diameters. International Journal of Advanced Natural Sciences and Engineering Researches, 9(7), 90–101. Retrieved from https://as-proceeding.com/index.php/ijanser/article/view/2749

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