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Laponite Blue: Dissolving the Insoluble
Author(s) -
Lezhnina Marina M.,
Grewe Tobias,
Stoehr Hardo,
Kynast Ulrich
Publication year - 2012
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201203236
Subject(s) - indigo , dissolution , aqueous solution , pigment , chemical engineering , chemistry , materials science , polymer science , organic chemistry , nanotechnology , optics , physics , engineering
The neutral organic dye indigo forms an inorganic–organic hybrid material with nanoclays (see picture; blue circles on disks symbolizing indigo, spheres indicating liberated cations) and can thus be transferred into aqueous solution. Solids recovered from these solutions resemble the ancient Maya Blue pigment. The method can also be applied to other hydrophobic species and may open the gate for novel solution chemistry, including photonic and catalytic applications.