Facile light-triggered one-step synthesis of small and stable platinum nanoparticles in an aqueous medium from a beta-cyclodextrin host-guest inclusion complex.
It is shown, for the first time, that small (ca. 2 nm) and stable platinum nanoparticles can be easily obtained in one step through visible light irradiation of a host-guest inclusion complex between beta-cyclodextrin and platinum acetylacetonate in a water solution. The exclusive control of the reaction by an external trigger, the removal of the undesired reaction products without any manipulation of the sample, and the absence of ionic repulsions between the metal nanoparticles represent the main remarkable advantages offered by this synthetic methodology.
Giuffrida
Salvatore
S
Dipartimento di Scienze Chimiche, Università di Catania, I-95125 Catania, Italy.
Ventimiglia
Giorgio
G
Petralia
Salvatore
S
Conoci
Sabrina
S
Sortino
Salvatore
S
D006885:Hydroxybutyrates / Q000737:chemistry / Q000528:radiation effects; D008027:Light; D049329:Nanostructures / Q000737:chemistry*; D010316:Particle Size; D010422:Pentanones / Q000737:chemistry / Q000528:radiation effects; D010777:Photochemistry; D010984:Platinum / Q000737:chemistry* / Q000528:radiation effects; D014867:Water / Q000737:chemistry; D047392:beta-Cyclodextrins / Q000737:chemistry* / Q000528:radiation effects
D006885:Hydroxybutyrates; D010422:Pentanones; D047392:beta-Cyclodextrins; D014867:Water; C049529:acetyl acetonate; D010984:Platinum