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Fabrication of Large‐Area Two‐Dimensional Colloidal Crystals
Author(s) -
Zhang JianTao,
Wang Luling,
Lamont Daniel N.,
Velankar Sachin S.,
Asher Sanford A.
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.201105439
Subject(s) - suspension (topology) , materials science , colloidal crystal , fabrication , colloid , nanoparticle , nanotechnology , colloidal particle , coating , particle (ecology) , hexagonal crystal system , chemical engineering , surface (topology) , crystallography , chemistry , geometry , medicine , oceanography , pathology , homotopy , geology , pure mathematics , engineering , alternative medicine , mathematics
Nanoparticle coating : A suspension of colloidal particles in a water/propanol solution was layered onto a water surface, where the particles self‐assembled into ordered two‐dimensional hexagonal crystal arrays (>280 cm 2 ) within two minutes. These arrays were transferred from the water surface to other substrates (see picture) and embedded in a chitosan hydrogel for visual detection of the pH value.

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