In this work, an improved vertical deposition method, namely, a flow-controlled vertical deposition (FCVD) method, was used to grow colloidal crystals with large spherical colloids in water solvent and to infiltrate the colloidal crystals. Using the FCVD method, latex spheres as large as 2 microm can be fabricated into colloidal crystals in water. In addition, the method works very well for controlling surface morphologies of silica-infiltrated opals. Furthermore, fabrication of colloidal crystal heterostructures was demonstrated.
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Zhou et al. (2005) studied this question.
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