FIELD: physics.
SUBSTANCE: proposed nano radiator comprises 4-6 nm-dia nucleus of noble metal surrounded by two concentric envelopments. Envelopment nearest to nucleus represents an optically neutral organic layer with thickness of about 1 nm. Second 1-3 nm-thick envelopment is made up of J-aggregates of cyanine dyes. During electron excitation of metal nucleus plasmons, the latter actively interact with J-aggregate envelopment to excite cyanine dyes (Frenkel's excitons) and radiate light in visible range. Metal nucleus electrons may be excited by both photons and electrons.
EFFECT: high quantum output of luminescence and controlled spectrum of radiation in visible range.
3 cl, 1 dwg, 1 tbl
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