Spontaneous formation of carbon dots helps to distinguish molecular fluorophores species

Publikationen: Beitrag in FachzeitschriftArtikelForschung(peer-reviewed)

Autoren

  • I. Jénnifer Gómez
  • Manuel Vazquez Sulleiro
  • Naděžda Pizúrová
  • Antonin Bednařík
  • Petr Lepcio
  • Jan Preisler
  • Lenka Zajickkova

Organisationseinheiten

Externe Organisationseinheiten

  • Ciudad Universitaria de Cantoblance
  • Masaryk Universität
  • Czech Academy of Sciences, Brno
  • Brno University of Technology

Abstract

Carbon dots (CDs) display photophysical features that appear similar, if not identical, despite the variety of synthesis protocols used to obtain them. The unique design of CDs toward the desired properties requires an exhaustive understanding of the structure itself. This work offers a fundamental insight into the structure and formation of the carbon dots that allows distinguishing the existence of molecular fluorophore species. Remarkably, density functional theory calculations of the elucidated structures support the spontaneous formation of a compact network of molecular species. In addition, as a proof-of-principle, our work comprehensively studies the photoluminescence properties (i.e., concentration, pH and solvent dependencies), which pave the way for developing CD-based logic gate fluorescent sensors.

Details

OriginalspracheEnglisch
Aufsatznummer155536
Seitenumfang9
FachzeitschriftApplied surface science
Jahrgang610.2023
Ausgabenummer1 February
Frühes Online-Datum3 Nov. 2022
DOIs
StatusVeröffentlicht - 1 Feb. 2023