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Fullerene-Indole-Nitrobenzene Hybrid System Connected Through Pyrazoline Ring: Synthesis, Electrochemical, and Photophysical Studies

Kumar, Anish ; Menon, Shobhana K.

Fullerenes, nanotubes, and carbon nanostructures, 1901-01, Vol.18 (2), p.126-136 [Periódico revisado por pares]

Philadelphia, PA: Taylor & Francis Group

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Título:
Fullerene-Indole-Nitrobenzene Hybrid System Connected Through Pyrazoline Ring: Synthesis, Electrochemical, and Photophysical Studies
Autor: Kumar, Anish ; Menon, Shobhana K.
Assuntos: 3 dipolar cycloaddition reaction ; Buckminsterfullerene ; Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Cross-disciplinary physics: materials science; rheology ; Dyads ; Exact sciences and technology ; flash photolysis ; Fluorescence ; Fullerenes ; Fullerenes and related materials ; Fullerenes and related materials; diamonds, graphite ; indole ; Indoles ; Materials science ; Nanocomposites ; Nanomaterials ; Nanostructure ; Nuclear magnetic resonance ; Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation ; Physics ; pyrazolino fullerene ; Specific materials ; Visible and ultraviolet spectra
É parte de: Fullerenes, nanotubes, and carbon nanostructures, 1901-01, Vol.18 (2), p.126-136
Notas: ObjectType-Article-1
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Descrição: Two novel pyrazolino [60] fullerenes 2a - 2b have been prepared by 1, 3 dipolar cycloaddition reaction of nitrile imines, generated in situ from hydrazones 1a - 1b, to C 60 . All the synthesized compounds were characterized by elemental analysis, FT-IR, 1H NMR, 13C NMR and mass spectral analysis. Charge-transfer interactions in the ground state between the indole ring and the fullerene cage has been monitored by photophysical and electrochemical studies. Electrochemical properties of the new dyads 2a-b showed better electron affinity with respect to C 60 . Steady state absorption and emission spectra studied as a function of dielectric constant of the medium, showed efficient electron transfer from indole to fullerene moiety in polar solvents such as CH 2 Cl 2 . Fluorescence lifetimes of the dyads 2a and 2b studied by nanosecond flash photolysis showed faster fluorescence decay of the dyads as compared by reference compound N-Methylpyrrolidino[60]fullerene.
Editor: Philadelphia, PA: Taylor & Francis Group
Idioma: Inglês

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Fullerene-Indole-Nitrobenzene Hybrid System Connected Through Pyrazoline Ring: Synthesis, Electrochemical, and Photophysical Studies

Kumar, Anish ; Menon, Shobhana K.

Philadelphia, PA: Taylor & Francis Group

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