Mesoporous monoliths of inverse bicontinuous cubic phases of block copolymer bilayers
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- Mesoporous monoliths of inverse bicontinuous cubic phases of block copolymer bilayers
- Park, Chiyoung; La, Yunju; An, Tae Hyun; Jeong, Hu Young; Kang, Sebyung; Joo, Sang Hoon; Ahn, Hyungju; Shin, Tae Joo; Kim, Kyoung Taek
- Issue Date
- NATURE PUBLISHING GROUP
- NATURE COMMUNICATIONS, v.6, pp.6392
- Solution self-assembly of block copolymers into inverse bicontinuous cubic mesophases is a promising new approach for creating porous polymer films and monoliths with highly organized bicontinuous mesoporous networks. Here we report the direct self-assembly of block copolymers with branched hydrophilic blocks into large monoliths consisting of the inverse bicontinuous cubic structures of the block copolymer bilayer. We suggest a facile and scalable method of solution self-assembly by diffusion of water to the block copolymer solution, which results in the unperturbed formation of mesoporous monoliths with large-pore (>25nm diameter) networks weaved in crystalline lattices. The surface functional groups of the internal large-pore networks are freely accessible for large guest molecules such as protein complexes of which the molecular weight exceeded 100kDa. The internal double-diamond (Pn3m) networks of large pores within the mesoporous monoliths could be replicated to self-supporting three-dimensional skeletal structures of crystalline titania and mesoporous silica.
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