, In addition, the ultraviolet absorption spectrum of potassium permanganate overlaps the absorption bands of the emission spectrum and excitation spectrum of CQDs, which is consistent with the characteristics of fluorescence resonance energy transfer, and the fluorescence lifetime shows a decreasing trend, indicating the existence of electron transfer. , Therefore, the fluorescence quenching mechanism may be the result of an internal filtration effect and fluorescence resonance energy transfer.
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Preparation of a Carbon Quantum Dot from Star Anise and Its Applications as an Antibacterial Agent and as a Probe for Sensing of Permanganate Ions.
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