Preparation of Ordered Arrays of Layer-by-Layer Modified Latex Particles

Autor:	Byung-Duk Jung, Joachim Stumpe, Eckhard Görnitz, Leonid M. Goldenberg, Jürgen Wagner, Bernd-R. Paulke
Rok vydání:	2002
Předmět:	Materials science Chromatography Aqueous solution Dispersity Layer by layer Evaporation Surfaces and Interfaces Substrate (electronics) Condensed Matter Physics Colloid Electrochemistry Meniscus General Materials Science Particle size Composite material Spectroscopy
Zdroj:	Langmuir. 19:205-207
ISSN:	1520-5827 0743-7463
DOI:	10.1021/la026544r
Popis:	that is, the array formation is due tocapillary forces during the evaporation of the dispersionmedium at the meniscus on a substrate, such as hydro-philized glass, which is vertically placed in the latexsuspension.Thismethodisparticularlyattractiveduetosimplicity(no special equipment required) and reproducibility.However, the array quality depends on particle size,polydispersity, colloidal stability, material density andsurfaceproperties.Ourexperiencewithverticaldepositionfrom aqueous suspensions revealed that the best qualityofarrayswasobtainedwithhighlyhydrophiliccore-shellpolystyrene-hydroxyethylmethacrylate (PS-HEMA) par-ticles. This type of particles was also mentioned earlierfor their good array-building properties.
Databáze:	OpenAIRE
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