Double direct templating of periodically nanostructured ZnS hollow microspheres

Alejandro Wolosiuk; Onur Armagan; Paul V. Braun

doi:10.1021/ja054927g

Double direct templating of periodically nanostructured ZnS hollow microspheres

Alejandro Wolosiuk, Onur Armagan, Paul V. Braun

Research output: Contribution to journal › Article › peer-review

Abstract

We introduce a "double direct templating" method for obtaining hollow microspheres with periodically nanostructured walls. Silica or polystyrene colloids are dispersed in a self-assembled hexagonal lyotropic liquid crystal containing precursors for ZnS. The semiconductor ZnS mineralizes on the surface of the colloid, expressing a pore morphology that is a copy of the structure of the liquid crystal. After etching of the sacrificial colloids, hollow capsules with templated and uniform mesoporous shells are obtained.

Original language	English (US)
Pages (from-to)	16356-16357
Number of pages	2
Journal	Journal of the American Chemical Society
Volume	127
Issue number	47
DOIs	https://doi.org/10.1021/ja054927g
State	Published - Nov 30 2005

ASJC Scopus subject areas

Catalysis
General Chemistry
Biochemistry
Colloid and Surface Chemistry

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10.1021/ja054927g

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AB - We introduce a "double direct templating" method for obtaining hollow microspheres with periodically nanostructured walls. Silica or polystyrene colloids are dispersed in a self-assembled hexagonal lyotropic liquid crystal containing precursors for ZnS. The semiconductor ZnS mineralizes on the surface of the colloid, expressing a pore morphology that is a copy of the structure of the liquid crystal. After etching of the sacrificial colloids, hollow capsules with templated and uniform mesoporous shells are obtained.

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Double direct templating of periodically nanostructured ZnS hollow microspheres

Abstract

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