Site-directed exchange studies with combinatorial libraries of nanostructures

Albena Ivanisevic; Kim V. McCumber; Chad A. Mirkin

doi:10.1021/ja0203871

Site-directed exchange studies with combinatorial libraries of nanostructures

Albena Ivanisevic, Kim V. McCumber, Chad A. Mirkin^*

^*Corresponding author for this work

Robert H. Lurie Comprehensive Cancer Center

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

37 Scopus citations

Abstract

We describe a new combinatorial method for studying the exchange between solution adsorbates and nanoscale features within libraries generated via dip-pen nanolithography. Four different compounds, 1-octadecanethiol, 16-mercaptohexadecanoic acid, ferrocene (11-mercaptoundecyl), and ferrocene (11-mercapto-1-oxoundecyl), are studied on amorphous and single-crystal gold substrates. This series of adsorbates allows us to compare the exchange properties of patterns of nanoscale features as a function of composition, feature size, and type of underlying substrate. Moreover, these properties can be compared and contrasted with bulk SAM properties. The novel strategy provides not only a method for initiating site-specific exchange processes but also a way of extracting kinetic information about the rate of such processes in situ.

Original language	English (US)
Pages (from-to)	11997-12001
Number of pages	5
Journal	Journal of the American Chemical Society
Volume	124
Issue number	40
DOIs	https://doi.org/10.1021/ja0203871
State	Published - Oct 9 2002

Funding

ASJC Scopus subject areas

General Chemistry
Biochemistry
Catalysis
Colloid and Surface Chemistry

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10.1021/ja0203871

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Site-directed exchange studies with combinatorial libraries of nanostructures

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