Designing hollow nano gold golf balls.
Designing hollow nano gold golf balls.
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DOI:
10.1021/am502519x
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发表时间:
2014-07-09
影响因子:
9.5
通讯作者:
Lal, Ratnesh
中科院分区:
文献类型:
--
作者:
Landon, Preston B.;Mo, Alexander H.;Zhang, Chen;Emerson, Chris D.;Printz, Adam D.;Gomez, Alan F.;DeLaTorre, Christopher J.;Colburn, David A. M.;Anzenberg, Paula;Eliceiri, Matthew;O'Connell, Connor;Lal, Ratnesh
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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