Abstract

High molecular weight polystyrene-block-poly(ethylene oxide) diblock copolymer (PS-b-PEO) is utilized as colloidal spheres in the presence of water. Adequately thick films with multilayers of spherical macropores are fabricated in one-pot under highly concentrated conditions of PS-b-PEO. The frameworks are constructed using aluminum organophosphonate as a complicated hybrid component. The macropores (30-200 nm) are homogeneously distributed over the entire films and pore windows between the macropores are tunable (up to nearly 10 nm) by changing the relative amount of PS-b-PEO in the precursor solutions.

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