On the parameters influencing the deposition of polystyrene colloidal crystals |
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| Authors: | María Yoldi Cristina Arcos Bernd-R. Paulke Rafael Sirera Wenceslao González-Viñas Eckhard Görnitz |
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| Affiliation: | 1. Institute for Applied Polymer Research, Geiselbergstr. 69, D-14476 Potsdam-Golm, Germany;2. Complex Systems Group. Department of Physics and Appl. Math., University of Navarra, Irunlarrea s/n, E-31080 Pamplona, Spain;3. Depatment of Chemistry and Soil Sci., University of Navarra, Irunlarrea s/n, E-31080 Pamplona, Spain |
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| Abstract: | Colloidal crystals of polystyrene particles of 1.0, 1.4 and 2.8 μm diameter have been prepared by vertical deposition. The influence of parameters such as temperature, particle size and concentration as well as dispersion medium has been studied. The size of domain and the crystalline structure of the particle arrays have been analyzed by optical microscopy. The quality of the crystals has been improved (minimizing cracks) by controlling sedimentation (density matching), evaporation (volatility of the medium) and drying (co-solvents). |
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