Chemiluminescence enhancement in the course of luminol oxidation in the presence of metal ions and plasmonic nanoparticles
Borodina L. N.
1, Palekhova A. V.
1, Kononov D. V.
1, Pinamyan S.
2, Dadadzhanov D. R.
1, Veniaminov A. V.
1, Vartanyan T. A.
11PhysNano department, ITMO University, St. Petersburg, Russia
2Geocosmos CJSC, Erevan, Armenia
Email: lnborodina@itmo.ru, avpalekhova@itmo.ru, DanilaKononov@outlook.com, pinamyans@gmail.com, dadadzhanov@itmo.ru, avveniaminov@itmo.ru, tavartanyan@itmo.ru
The results on chemiluminescence in the presence of plasmonic silver nanoparticles and chemical catalysts: copper, iron, cobalt, and manganese ions are presented. Enhancement of chemiluminescence by both nanoparticles and ions, separately and in combination with silver nanoparticles, is demonstrated. Concentrations of ions and nanoparticles providing maximum enhancement of the chemiluminescent signal were selected. The chemiluminescence enhancement by joint action of nanoparticles and ions exceeds that with silver nanoparticles or ions applied separately. The differences in physical and chemical enhancement mechanisms characteristic of them are clearly demonstrated by comparison of enhanced chemiluminescence spectra. Keywords: plasmon-enhanced chemiluminescence, Purcell effect, catalysis, silver nanoparticles, free radicals.
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