Spectroscopic study of inorganic nanoparticles ngdyvo4:eu3+ and organic carbocyanine dyes interactions in aqueous solutions
Keywords:
dye, nanoparticle, complex «inorganic nanoparticle — organic molecule», adsorption capacityAbstract
The interaction of the inorganic anionic nanoparticles (nGdYVO4:Eu3+, d = 2 nm) and organic cationic
carbocyanine dyes 3,3’ -diethyloxacarbocyanine perchlorate (DiOC2) 1,1’-dimethyl-3,3,3’,3’-
tetramethylindocarbocyanine perchlorate (DiIC1) 1,1’-dimethyl-3,3,3’,3’- tetramethylindodicarbocyanine
tetrafluorineborate (DiDC1) has been studied spectrophotometrically. The formation of complexes of dye
molecules with spherical nanoparticles nGdYVO4:Eu3+ in aqueous solutions of cationic dye DiOC2 was
found. It is shown that spherical nanoparticle nGdYVO4:Eu3+ can form a complex with molecules of the
cationic dyes in aqueous solution. The adsorption capacity of nGdYVO4:Eu3+nanoparticles has been
found to be about 10 molecules of dye on one nanoparticle.
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