Molecular transfer and transport in noncovalent microcontact printing

Richard K. Workman, Srinivas Manne

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Microcontact printing is commonly used to create patterned films of molecules covalently bonded to substrates (e.g., thiols on gold). Here we describe microcontact printing of several types of noncovalently bonding molecules on mica. Due to the weaker interaction of the molecules with the substrate, environmental factors such as temperature and relative humidity play an important role. The vapor pressure of the inks also had a large impact on the fidelity of the stamped patterns. Fingering instabilities were observed for monolayers of octadecanol, docosanol, stearylamine, and stearic acid stamped at moderate relative humidity. The fidelity of the stamped pattern generally increased with the headgroup-surface interaction strength. These stamped monolayer films shed light on molecular transfer and two-dimensional spreading mechanisms.

Original languageEnglish (US)
Pages (from-to)805-815
Number of pages11
JournalLangmuir
Volume20
Issue number3
DOIs
StatePublished - Feb 3 2004

Fingerprint

printing
Printing
Molecules
humidity
Monolayers
Atmospheric humidity
molecules
Stearic acid
Mica
inks
Substrates
mica
Vapor pressure
Sulfhydryl Compounds
thiols
Ink
Gold
surface reactions
vapor pressure
gold

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Colloid and Surface Chemistry

Cite this

Molecular transfer and transport in noncovalent microcontact printing. / Workman, Richard K.; Manne, Srinivas.

In: Langmuir, Vol. 20, No. 3, 03.02.2004, p. 805-815.

Research output: Contribution to journalArticle

Workman, Richard K. ; Manne, Srinivas. / Molecular transfer and transport in noncovalent microcontact printing. In: Langmuir. 2004 ; Vol. 20, No. 3. pp. 805-815.
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