Dr Joshua Lehr J.Lehr@salford.ac.uk
Lecturer
Patterning of metal, carbon, and semiconductor substrates with thin organic films by microcontact printing with aryldiazonium salt inks
Lehr, J; Garrett, DJ; Paulik, MG; Flavel, BS; Brooksby, PA; Williamson, BE; Downard, AJ
Authors
DJ Garrett
MG Paulik
BS Flavel
PA Brooksby
BE Williamson
AJ Downard
Abstract
Surface modification through reduction of aryldiazonium salts to give covalently attached layers is a widely investigated procedure. However, realization of potential applications of the layers requires development of patterning methods. Here, we demonstrate that microcontact printing with poly(dimethylsiloxane) stamps inked with aqueous acid solutions of aryldiazonium salts gives stable organic layers on gold, copper, silicon, and graphitic carbon surfaces. Depending on the substrate−diazonium salt combination, the layers range from relatively irregular multilayers to smooth films with close to monolayer thickness. After printing, surface attached aminophenyl and carboxyphenyl groups retain their usual reactivity toward amide bond formation with solution species, and hence, the method is a simple route to patterned, covalently attached, reactive tether layers. Multicomponent patterned films can be prepared by printing a second modifier onto a film-coated surface. Microcontact printing using aryldiazonium salt inks is experimentally very simple and is applicable to the broad range of substrates capable of spontaneously reducing aryldiazonium salts.
Citation
Lehr, J., Garrett, D., Paulik, M., Flavel, B., Brooksby, P., Williamson, B., & Downard, A. (2010). Patterning of metal, carbon, and semiconductor substrates with thin organic films by microcontact printing with aryldiazonium salt inks. Analytical Chemistry, 82(16), 7027-7034. https://doi.org/10.1021/ac101785c
Journal Article Type | Article |
---|---|
Acceptance Date | Jul 10, 2010 |
Online Publication Date | Jul 28, 2010 |
Publication Date | Aug 15, 2010 |
Deposit Date | Aug 11, 2021 |
Journal | Analytical Chemistry |
Print ISSN | 0003-2700 |
Electronic ISSN | 1520-6882 |
Publisher | American Chemical Society |
Volume | 82 |
Issue | 16 |
Pages | 7027-7034 |
DOI | https://doi.org/10.1021/ac101785c |
Publisher URL | https://doi.org/10.1021/ac101785c |
Related Public URLs | http://pubs.acs.org/journal/iecac0 |
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