We examine the time-resolved resonance energy transfer of excitons from single n-butyl amine-bound, chloride-terminated nanocrystals to two-dimensional graphene through time-correlated single photon counting. The radiative biexponential lifetime kinetics and blinking statistics of the individual surface-modified nanocrystal elucidate the non-radiative decay channels. Blinking modification as well as a 4× reduction in spontaneous emission were observed with the short chloride and n-butylamine ligands, probing the energy transfer pathways for the development of graphene-nanocrystal nanophotonic devices.
Time-resolved energy transfer from single chloride-terminated nanocrystals to graphene / O. A., Ajayi; N. C., Anderson; M., Cotlet; N., Petrone; T., Gu; A., Wolcott; Gesuele, Felice; J., Hone; J. S., Owen; C. W., Wong. - In: APPLIED PHYSICS LETTERS. - ISSN 0003-6951. - 104:(2014), p. 171101. [10.1063/1.4874298]
Time-resolved energy transfer from single chloride-terminated nanocrystals to graphene
GESUELE, FELICE;
2014
Abstract
We examine the time-resolved resonance energy transfer of excitons from single n-butyl amine-bound, chloride-terminated nanocrystals to two-dimensional graphene through time-correlated single photon counting. The radiative biexponential lifetime kinetics and blinking statistics of the individual surface-modified nanocrystal elucidate the non-radiative decay channels. Blinking modification as well as a 4× reduction in spontaneous emission were observed with the short chloride and n-butylamine ligands, probing the energy transfer pathways for the development of graphene-nanocrystal nanophotonic devices.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
