Background: Carbon quantum dots are a new type of glowing, tiny material that is safe for living things, not harmful to the environment, dissolves well in water, and stays stable when exposed to light.
Objectives: To synthesized carbon quantum dots quickly and easily while adhering to green chemistry principles. CQDs have easily adjustable optical properties and have found use in bioimaging, nanomedicine, drug delivery, solar cells, light-emitting diodes, photocatalysis, electrocatalysis, and other fields.
Materials and Methods: This article presents several methods for the synthesis of CQDs utilizing various precursors and synthesis techniques. Using natural resources to synthesize carbon quantum dots (CQDs) is both cost-effective and environmentally sustainable.
Conclusion: This article gives a detailed look at the structure of carbon quantum dots, how they are made, recent developments, how adding different materials and changing their surfaces affect their light properties, and related models of light emission. The challenges and potential for these nanomaterials are reviewed, with a focus on the use of carbon quantum dots to improve the performance of photovoltaics and white light-emitting diodes.
Keywords: Carbon quantum dots, Nanoparticles, Light emitting diodes, Drug delivery, Nanomedicine.
