The formation of porous polymer films via a simple in situ sphere–concave inversion of 2D polymer sphere arrays (see figure) is described. The straightforward technique presented here can be used for a variety of polymers by using appropriate monomers. The formed porous structures have the potential to function as matrices for the formation of microlenses and microanalytical tools.
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Xue et al. (2008) studied this question.
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