Person:
Ramírez Barroso, Sergio

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First Name
Sergio
Last Name
Ramírez Barroso
URI
https://hdl.handle.net/20.500.14352/85588
Affiliation
Universidad Complutense de Madrid
Faculty / Institute
Ciencias Químicas
Department
Química Orgánica
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End date: 2023 × Subject: 546.26(043.2) ×

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    Carbon dots: composition, structure and photophysics
    (2023) Ramírez Barroso, Sergio; Wannemacher, Reinhold; García Fresnadillo, David; Nazario Martín León, Nazario
    The main part of this thesis focuses on the production and characterisation of carbon nanodots. Regarding the production methods of the CNDs chosen in this work, CNDs produced by two clearly different bottom-up methods have been studied in detail. On the one hand, the solvothermal method has been used. This method consists of heating a liquid, in a closed container, above its boiling point, generating a pressure higher than atmospheric pressure, and thus inducing the condensation of CNDs. The obvious advantages of this synthetic method are: it is easy, cheap and environmentally friendly (provided that the solvent used in the solvothermal method is an environmentally friendly solvent, in our case we used water and ethanol). All these advantages provided a great opportunity to easily prepare and investigate CNDs, which, when prepared by this method, were found to have promising properties such as solubility in aqueous media, biocompatibility, photocatalytic activity in heterostructures with TiO2 and biocidal properties that can be employed to prepare biocidal polymer surfaces. The combination of the advantages proposed by the synthetic method and the promising properties of the products obtained have made this method the most common synthetic procedure for the production of CNDs...