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Title: Time-resolved energy transfer from single chloride-terminated nanocrystals to graphene

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.
Authors:
;  [1] ;  [2] ; ; ;  [3] ;  [4] ; ;  [5] ; ;  [1]
  1. Optical Nanostructures Laboratory, Center for Integrated Science and Engineering, Solid-State Science and Engineering, Columbia University, New York, New York 10027 (United States)
  2. (United States)
  3. Department of Chemistry, Columbia University, New York, New York 10027 (United States)
  4. Brookhaven National Laboratory, Upton, New York, New York 11973 (United States)
  5. Department of Mechanical Engineering, Columbia University, New York, New York 10027 (United States)
Publication Date:
OSTI Identifier:
22267733
Resource Type:
Journal Article
Resource Relation:
Journal Name: Applied Physics Letters; Journal Volume: 104; Journal Issue: 17; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
77 NANOSCIENCE AND NANOTECHNOLOGY; CHLORIDES; ENERGY TRANSFER; EXCITONS; GRAPHENE; NANOSTRUCTURES; RESONANCE; TIME RESOLUTION