期刊
ACS APPLIED MATERIALS & INTERFACES
卷 6, 期 13, 页码 9937-9941出版社
AMER CHEMICAL SOC
DOI: 10.1021/am502519x
关键词
hollow; porous; nanocarrier; gold shell; template; hierarchical
资金
- [R01DA024871]
- [R01DA025296]
Hollow/porous nanoparticles, including nanocarriers, nanoshells, and mesoporous materials have applications in catalysis, photonics, biosensing and delivery of theranostic agents. Using a hierarchical template synthesis scheme, we have synthesized a nanocarrier mimicking a golf ball, consisting of (i) solid silica core with a pitted gold surface and (ii) a hollow/porous gold shell without silica. The template consisted of 100 nm polystyrene beads attached to a larger silica core. Selective gold plating of the core followed by removal of the polystyrene beads produced a golf ball-like nanostructure with 100 nm pits. Dissolution of the silica core produced a hollow/porous golf ball-like nanostructure.
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