Assembly of polygonal nanoparticle clusters directed by reversible noncovalent bonding interactions

Mark A. Olson; Ali Coskun; Rafal Klajn; Lei Fang; Sanjeev K. Dey; Kevin P. Browne; Bartosz A. Grzybowski; J. Fraser Stoddart

doi:10.1021/nl901385c

Assembly of polygonal nanoparticle clusters directed by reversible noncovalent bonding interactions

Mark A. Olson, Ali Coskun, Rafal Klajn, Lei Fang, Sanjeev K. Dey, Kevin P. Browne, Bartosz A. Grzybowski, J. Fraser Stoddart

Chemistry

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

81 Scopus citations

Abstract

The reversible molecular template-directed self-assembly of gold nanoparticles (AuNPs), a process which relies solely on noncovalent bonding interactions, has been demonstrated by high-resolution transmission electron microscopy (HR-TEM). By employing a well-known host-guest binding motif, the AuNPs have been systemized into discrete dimers, trimers, and tetramers. These nanoparticulate twins, triplets, and quadruplets, which can be disassembled and reassembled either chemically or electrochemically, can be coalesced into larger, permanent polygonal structures by thermal treatment using a focused HR-TEM electron beam.

Original language	English (US)
Pages (from-to)	3185-3190
Number of pages	6
Journal	Nano letters
Volume	9
Issue number	9
DOIs	https://doi.org/10.1021/nl901385c
State	Published - Sep 9 2009

ASJC Scopus subject areas

General Chemistry
Condensed Matter Physics
Mechanical Engineering
Bioengineering
General Materials Science

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abstract = "The reversible molecular template-directed self-assembly of gold nanoparticles (AuNPs), a process which relies solely on noncovalent bonding interactions, has been demonstrated by high-resolution transmission electron microscopy (HR-TEM). By employing a well-known host-guest binding motif, the AuNPs have been systemized into discrete dimers, trimers, and tetramers. These nanoparticulate twins, triplets, and quadruplets, which can be disassembled and reassembled either chemically or electrochemically, can be coalesced into larger, permanent polygonal structures by thermal treatment using a focused HR-TEM electron beam.",

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AU - Browne, Kevin P.

AU - Grzybowski, Bartosz A.

AU - Stoddart, J. Fraser

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Assembly of polygonal nanoparticle clusters directed by reversible noncovalent bonding interactions

Abstract

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