Journal
POLYMER CHEMISTRY
Volume 10, Issue 44, Pages 6031-6036Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9py01257e
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Funding
- National Natural Science Foundation of China [51725301]
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Inverse mesophases with ordered structures self-assembled by block copolymers (BCPs) are of great use in nanomaterials. However, it was still not easy to fabricate these ordered inverse nanostructures until recently. Herein, the self-assembling temperature is controlled to regulate the formation of inverse nanostructures, including spongy structures, Pn3m polymer cubosomes, and p6mm polymer hexasomes, from a rod-coil BCP for the first time. By changing the self-assembling temperature, these inverse nanostructures can be obtained controllably in a small volume fraction window. Then, a porous silica cubosome was also prepared using the polymer cubosome as a hard template. Small-angle X-ray scattering and scanning electron microscopy results confirmed that the ordered bicontinuous structure with Pn3m symmetry was perfectly transferred to the inorganic silica cubosome. These results not only provide more details about the reason for the formation of inverse nanostructures, but also provide a facile route to prepare network-like nanomaterials.
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