colloidal crystal


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colloidal crystal

[kə′lȯid·əl ′krist·əl]
(chemistry)
A periodic array of suspended colloidal particles that can arise spontaneously in a monodisperse colloidal system under appropriate conditions.
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Synthesis of PMMA Colloidal Crystal. The monodispersed poly(methyl methacrylate) (PMMA) spheres were synthesized by emulsifier-free emulsion polymerization as previously described by Phumthiean [6].
The polystyrene and polyacrylate-based microspheres are kinds of polymeric materials being widely used due to their excellent properties [12, 13]; for instance, colloidal crystal films prepared using poly(styrene-co-methyl methacrylateco-acrylic acid) poly(Sty-b-MMA-b-AA) microspheres with a core-shell structure have been extensively investigated [14].
"Tunable structural colour on the basis of colloidal crystal." Micro & Nano Letters, IET, 6(7): 530-533.
PS monolayer colloidal crystal was developed on the 3-inch silicon wafer and used as starting templates (Figure 1(a)).
FABRICATION OF POLYMERIZED COLLOIDAL CRYSTAL ARRAY THIN FILM FOR CHEMICAL NERVE AGENTS DETECTION **, M.
Presented are six design rules that can be used to deliberately prepare nine distinct colloidal crystal structures, with control over lattice parameters on the 25 - to 150-nanometer length scale.
(33.) Hu, SS, Rieger, J, Yi, ZY, Zhang, JQ, Chen, XL, Roth, SV, Gehrke, R, Men, YF, "Structural Evolution of a Colloidal Crystal Fiber during Heating and Annealing Studied by in Situ Synchrotron Small Angle X-ray Scattering." Langmuir, 26 13216-13220 (2010)
A Nicolet Magna 750 FTIR spectrometer was used to investigate the chemical component of the colloidal crystal films by attenuated total reflectance infrared spectroscopy (ATR-FTIR) mode.
Bragg's Law on Colloidal Crystal. The examination of a colloidal dispersion (Figure 4) during and after solvent evaporation allows the observation of iridescence in different areas of the visible spectrum due to diffraction of the light in accordance with Bragg's law [31].
We present six design rules that can be used to deliberately prepare nine distinct colloidal crystal structures, with control over lattice parameters on the 25nm to 150nm length scale.
Their topics include measuring nucleation and growth processes, analyzing the evolution of surface roughness, modeling thin film deposition processes based on real-time observation, phase transition in colloidal crystal thin films, thin film growth for thermally unstable noble-metal nitrides by reactive magnetron sputtering, electronic properties and adsorption behavior of thin films with polar character, understanding substrate plasticity and buckling of thin films, the electrocaloric effect in ferroelectric polymer films, and network behavior in thin films and nanostructure growth dynamics.
Polymerized colloidal crystal hydrogel films as intelligent chemical sensing materials.