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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Fabrication of elastic colloidal crystal films from pure soft spheres.
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.
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.
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.
Another self-assembly synthetic strategy utilized by the group involves colloidal crystal templating of silicon photonic crystals for optical telecommunications first described in their paper 'Self-Assembly of a Silicon Photonic Bandgap Material with a Complete Three-Dimensional Gap at 1.
Asher embed a colloidal crystal in a gel that can be made to swell when it encounters substances such as glucose or metal ions.
Colloidal Crystal Templating of Two-Dimensional Ordered Macroporous SiCN Ceramics
These advances revealed novel phenomena and possibilities, such as designing colloidal crystal structures that are unavailable for conventional colloids with homogeneous surfaces.
Success in moving these purely synthetic 3-D Si-PCs to envisioned photonic technologies hinges on the ability to straightforwardly conduct device quality, in-wafer patterning of high quality single crystal silica colloidal crystal templates.