An organically modified single wall carbon nanotube containing a pyrene chromophore: Fluorescence and diffuse reflectance laser flash photolysis study

Mercedes Álvaro, Pedro Atienzar, José L. Bourdelande, Hermenegildo García

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50 Citations (Scopus)

Abstract

SWNT was functionalized with N-(1-pyrenylmethyl)-1,5-diaminopentane and the resulting PY∝SWNT sample characterized by optical and IR spectroscopy. The photochemical properties of PY∝SWNT were studied by dispersing the insoluble solid in silica and applying diffuse reflectance techniques. From the emission decay kinetics (quenching of pyrenyl singlet excited state by the SWNT walls) and laser flash photolysis (detection of pyrenyl radical cation) evidence in support of occurrence of an intramolecular quenching from pyrenyl singlet excited state to the SWNT walls has been obtained. © 2003 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)119-123
JournalChemical Physics Letters
Volume384
Issue number1-3
DOIs
Publication statusPublished - 19 Jan 2004

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