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Surface Modification of a Hydrogen-Bonded Pigment: A Fluorescence Spectroscopy Study

✍ Scribed by V.J.P Srivatsavoy; J.-E Moser; M Grätzel; L Chassot

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
63 KB
Volume
216
Category
Article
ISSN
0021-9797

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✦ Synopsis

The effect of hydrogen-bonding additives on the surface modification of a hydrogen-bonded organic pigment is studied using absorption and fluorescence spectroscopy. Evidence for surface dissolution that occurs during the mixing of solids is presented. The spectral signatures of monomers and hydrogen-bonded aggregates of the pigment that are present on the surface of crystallites of the pigment are quite distinct, as revealed by fluorescence excitation and emission spectra. Copyright 1999 Academic Press.

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