A "molecular eraser" for dip-pen nanolithography

Jae Won Jang, Daniel Maspoch, Tsuyohiko Fujigaya, Chad A. Mirkin

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

An erasing method for repairing defective nanostructures generated in a dip-pen nanolithography (DPN) using conductive tip and conductive atomic force microscope (c-AFM) to electrochemically induce desorption is described. c-AFM would be used to selectively desorb portions of a monolayer-based structure made by DPN with alkanethiol inks on gold. c-AFM is used to selectively control the elimination of 16-mercaptohexadecanoic acid (MHA) nanostructures. This erasing technique can be coupled with DPN, and the eliminated MHA features can be backfilled with a new ink by simply coating the cantilever with the desired molecule. This procedure results in the elimination of the MHA-based triangle and replacement with a 11-ferrocenyl-1-undecanethiol (FUT) based compound without a damage to the 1-octadecanethiol (ODT)-coated regions of the substrate.

Original languageEnglish
Pages (from-to)600-605
Number of pages6
JournalSmall
Volume3
Issue number4
DOIs
Publication statusPublished - Apr 1 2007
Externally publishedYes

Fingerprint

Nanolithography
Ink
Nanostructures
Microscopes
Acids
Gold
Monolayers
Desorption
Coatings
Molecules
Substrates
16-mercaptohexadecanoic acid
n-octadecyl mercaptan

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Biomaterials
  • Chemistry(all)
  • Materials Science(all)

Cite this

A "molecular eraser" for dip-pen nanolithography. / Jang, Jae Won; Maspoch, Daniel; Fujigaya, Tsuyohiko; Mirkin, Chad A.

In: Small, Vol. 3, No. 4, 01.04.2007, p. 600-605.

Research output: Contribution to journalArticle

Jang, JW, Maspoch, D, Fujigaya, T & Mirkin, CA 2007, 'A "molecular eraser" for dip-pen nanolithography', Small, vol. 3, no. 4, pp. 600-605. https://doi.org/10.1002/smll.200600679
Jang, Jae Won ; Maspoch, Daniel ; Fujigaya, Tsuyohiko ; Mirkin, Chad A. / A "molecular eraser" for dip-pen nanolithography. In: Small. 2007 ; Vol. 3, No. 4. pp. 600-605.
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