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(a) Schematic diagram of the concept of the direct-write 3D printing [74]. (b) Change in photonic properties of the BBCP photonic crystals, depending on the temperature and printing speed [74]. (c) Formation of the morphologies during the drop casting and 3D printing [74]. (d) Concept of solvent drying for the formation of hyperporous nano membranes [75]. (e) (i–iv) Membrane morphologies along the lateral direction of the film [75]. Adapted with permission from references [74,75].
