SELF-DISPERSION - SPONTANEOUS FORMATION OF COLLOIDAL DYES IN WATER

Authors
LANGHALS H JONA W EINSIEDL F WOHNLICH S
Citation
H. Langhals et al., SELF-DISPERSION - SPONTANEOUS FORMATION OF COLLOIDAL DYES IN WATER, Advanced materials, 10(13), 1998, pp. 1022
Citations number
2
Categorie Soggetti
Material Science
Journal title
Advanced materials → ACNP
ISSN journal
09359648
Volume
10
Issue
13
Year of publication
1998
Database
ISI
SICI code
0935-9648(1998)10:13<1022:S-SFOC>2.0.ZU;2-I
Abstract
Spontaneous formation of colloidal dyes in water is investigated by sc anning electron microscopy. The authors report that crown ether-substi tuted perylene dyes spontaneously form solid particles (see Figure) up on contact with water. The colloidal dispersion exhibits a ruby-like c olor and is very stable. Thus, the dye can be applied as a tracer for the investigation of the movement of water to answer geochemical quest ions.