Synthesis of Carbon Dots using Citric acid (Solvent Free reaction)

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Published: 2024-02-26 DOI: 10.17504/protocols.io.e6nvwd25dlmk/v1
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Abstract

Carbon Dots are the fluorescent nanoparticles that have wide range of applications. Facile synthesis of Carbon Dots paves the way for making this material mainstream for use. Synthesis of Carbon Dots by using Citric acid as the precursor in a solvent free reaction is a easy method in which the synthesized Carbon Dots shows fluorescence in the range of 520nm. This mode is simple and doesn't require complex instrumentation.

Steps

Synthesis of Carbon Dots using Citric acid (Solvent Free reaction)

1.

2g 120°C

2.

Once you get the yellow molten compound , drop it in the 0.1Mass Percent Sample 100ml solution, dropwise and stir it on magnetic stirrer.

3.

Then centrifuge the solution at 15000rpm for0h 25m 0s and collect the supernatant and characterize it for fluorescence by using UV-Vis spectrophotometer and subsequently by using PL instrument.

3.1.

Citation
In UV-Vis absorption peak will be at 210nm and in PL the excitation peak will be a wide peak in the range of 520 nm

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