pH-sensitive spontaneous decay of functionalized carbon dots in solutions
Denise Dilshener,
Drew F. Parsons,
Johannes Fiedler
Abstract:Carbon quantum dots have become attractive in various applications, such as drug delivery, biological sensing, photocatalysis, and solar cells. Among these, pH sensing via luminescence lifetime measurements of surface-functionalized carbon dots is one application currently investigated for their long lifetime and autonomous operation. In this article, we explore the theoretical connection between excitation lifetimes and the pH value of the surrounding liquid via the protonation and deprotonation of functional… Show more
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