Centimeter-Scale Colloidal Crystal Belts via Robust Self-Assembly Strategy

Centimeter-Scale Colloidal Crystal Belts via Robust Self-Assembly Strategy

Centimeter-scale poly(acrylic acid-co-DVB80) (PAA) 3D colloidal crystal belts were prepared via a novel robust vertical deposition technique based on negative pressure and curvature substrate of the glass vial. The formation of PAA colloidal crystal belts was investigated. The results indicated that...

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Bibliographic Details
Published in:Langmuir Vol. 28; no. 25; pp. 9341 - 9346
Main Authors: Lu, Xianyong, Zhu, Ying, Cen, Tianzhou, Jiang, Lei
Format: Journal Article
Language:English
Published: Washington, DC American Chemical Society 26-06-2012
Subjects:
Acrylic Resins - chemistry
Chemistry
Colloidal state and disperse state
Colloids
Exact sciences and technology
General and physical chemistry
Hydrogen Bonding
Particle Size
Physical and chemical studies. Granulometry. Electrokinetic phenomena
Pressure
Solvents - chemistry
Wettability
Self assembly
Film
Hydrogen
Acrylic acid
Crystals
Glass
Strong interaction
Dimension
Substrate
Packing
Carboxyl group
Curvature
Deposition
Colloid particle
Drying
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Summary:Centimeter-scale poly(acrylic acid-co-DVB80) (PAA) 3D colloidal crystal belts were prepared via a novel robust vertical deposition technique based on negative pressure and curvature substrate of the glass vial. The formation of PAA colloidal crystal belts was investigated. The results indicated that curvature could control the dimension of PAA colloidal crystal belts. Well-controlled negative pressure resulted in rapid fabrication of well-defined PAA colloidal crystal belts. Curvature substrate of glass vial could distribute shrinking stress in the process of drying of colloidal films. Strong hydrogen bonding interactions among carboxyl groups on the surface of PAA colloidal particles was responsible for PAA colloidal crystal belts with closed-packing characteristics.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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content type line 23
ISSN:0743-7463
1520-5827
DOI:10.1021/la3012525