Abstract:
: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 (>25 nm 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 100 kDa. 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.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Park C,La Y,An TH,Jeong HY,Kang S,Joo SH,Ahn H,Shin TJ,Kim KTdoi
10.1038/ncomms7392subject
Has Abstractpub_date
2015-03-05 00:00:00pages
6392issn
2041-1723pii
ncomms7392journal_volume
6pub_type
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