Oxidation degree or sheet size: What really matters for the photothermal effect and ecotoxicity of graphene oxide?

• Published in: FlatChem Vol. 26; p. 100231
• Main Authors: Moreira, Caio C.C., Costa, Ítalo A., Moura, Diego S., Grisolia, Cesar K., Leite, Carlos A.E.M., Souza, Paulo Eduardo N., Moreira, Sanclayton G.C., Pereira-da-Silva, Marcelo A., Braga, Jez W.B., Paterno, Leonardo G.
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.03.2021
• Subjects: Ecotoxicity; Graphene oxide; Photothermal effect; Principal component analysis; Zebrafish; Photothermal effect; Zebrafish; Graphene oxide; Ecotoxicity; Principal component analysis

[Display omitted] •A straight correlation exists between photothermal effect and ecotoxicity of GO.•The photothermal effect is stronger in more oxidized GO.•Aqueous suspensions of carboxylated GO samples can reach 80 °C under NIR.•GO sheets larger than 200 nm delay hatching of zebrafish embryos.•GO...