Corrole-gold nanoparticles: Synthesis, ground and excited state solvation
authors Joana F. B. Barata; Vanda Vaz Serra; Ana L. Daniel-da-Silva; M. Graça P. M. S. Neves; Sílvia M. B. Costa; José A. S. Cavaleiro; Tito Trindade
nationality International
journal Dyes and Pigments
abstract The in situ preparation and the full spectroscopic characterization of corrole - gold nanoparticles (AuTPFCS) are reported. The synthetic approach to these nanoconjugates involved the reaction of a mercaptocorrole (TPFCSH) with chloroauric acid under reductive conditions. Fluorescence quantum yields and time resolved lifetimes showed a significant quenching of the mercaptocorrole after its covalent coupling to the gold nanoparticles in acetonitrile and in toluene. Irradiated samples of AuTPFCS with a Nd:YAG laser in toluene solution revealed the distribution of larger nanoparticles from 3.1 to 11 nm viewed by TEM images.
year published 2022
digital object identifier (doi) 0.1016/j.dyepig.2022.110108
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