Spectroscopy of fluorescein (FITC) dyed colloidal silica spheres
Article Abstract:
Colloidal silica spheres dyed with fluoroscein isothiocyanate (FTIC) were characterized according to their spectroscopic properties. Measures of the absorption spectrum, the emission spectrum, the emission lifetime, and the photostability of FTIC were obtained. The measures were mapped as a function of the dye concentration incorporated in the colloidal silica spheres and analyzed with scattering effects kept to a minimum.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 1999
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Spectral properties of fluorescein molecules in water with the addition of a colloidal suspension of silver
Article Abstract:
The influence of micellar and microemulsion systems on the spectral properties of fluorescein is investigated. The results revealed that the presence of the silver colloid changes the concentrations of the various ionic forms of fluorescein, characterized by different yields of fluorescence.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2005
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Direct observation of an intermediate state for a surface photochemical reaction initiated by hot electron transfer
Article Abstract:
The photoinduced charge transfer that may result in the dissociation of phenol on Ag(111) is investigated by two-photon photoemission spectroscopy. The results revealed that the molecular resonance (MR) state is spatially localized around the adsorbate molecule.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2005
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