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245–247. Copyright Wiley-VCH Verlag









                                               360
              1 μm       1 μm                  300
                                               240
                                               180  Axial rotation (°)  (e)
                                               120
      ii         iv
                           (b)                 60
              1 μm       1 μm                  0
                             540  535  530  525  520  515  Maximum wavelength λ (nm)  510




      i          iii
                             Direction of  water evaporation  (a) Schematic illustration of evaporation-induced colloidal crystallization in microchannel with open ends. (b) SEM images of

           Evaporation                           (d)    colloidal crystals with various shapes replicated by soft elastomer molds. (E. Kim, Y. Xia, and G. M. Whitesides, “Two- and three-dimensional  GmbH & Co. KGaA. Reproduced with permission) (c and d) SEM images of cylindrical colloidal crystals with different cy


           Fluidic channel   Ordered





                           (a)                            crystallization of polymeric microspheres by micromolding in capillaries,” Advanced Materials, 8, (1996),

           PDMS mold  Capillary flow  Disordered  (c)                  Copyright Wiley-VCH Verlag GmbH & Co. KGaA. Reproduced with permission.)














                                                      FIGURE 6-2




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