Patterning surfaces using tip-directed displacement and self-assembly

Nabil A. Amro, Song Xu, Gang-yu Liu

Research output: Contribution to journalArticle

123 Citations (Scopus)

Abstract

An atomic force microscopy (AFM)-based procedure, a nanopen reader and writer (NPRW), is developed to produce nanometer scale patterns on surfaces. In each NPRW experiment, a self-assembled monolayer serves as the resist, while an AFM tip displaces the resist molecules from desired locations by using a high shear force. The AFM tip is precoated with adsorbate molecules which can adsorb to the newly exposed substrate areas. This procedure combines the advantages of two recently developed AFM lithography methods: nanografting and dip-pen nanolithography. NPRW is easy to complete and able to produce desired patterns with multiple components. In addition, NPRW can reach high spatial resolution, independent of the texture of the paper and the humidity of the environment. The size and geometry of these nanopatterns are well preserved because the resist molecules efficiently prevent diffusion and smearing.

Original languageEnglish (US)
Pages (from-to)3006-3009
Number of pages4
JournalLangmuir
Volume16
Issue number7
DOIs
StatePublished - Apr 4 2000
Externally publishedYes

Fingerprint

readers
Self assembly
self assembly
Atomic force microscopy
atomic force microscopy
Molecules
Nanolithography
molecules
pens
Self assembled monolayers
Adsorbates
Lithography
humidity
Atmospheric humidity
lithography
textures
Textures
spatial resolution
shear
Geometry

ASJC Scopus subject areas

  • Colloid and Surface Chemistry
  • Physical and Theoretical Chemistry

Cite this

Patterning surfaces using tip-directed displacement and self-assembly. / Amro, Nabil A.; Xu, Song; Liu, Gang-yu.

In: Langmuir, Vol. 16, No. 7, 04.04.2000, p. 3006-3009.

Research output: Contribution to journalArticle

Amro, Nabil A. ; Xu, Song ; Liu, Gang-yu. / Patterning surfaces using tip-directed displacement and self-assembly. In: Langmuir. 2000 ; Vol. 16, No. 7. pp. 3006-3009.
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