Multilayer assembly and patterning of poly(p-phenylenevinylene)s via covalent coupling reactions

Ziqi Liang, Qing Wang

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

Poly(p-phenylenevinylene)s with amines and pentafluorophenyl esters on side chains were synthesized and assembled on solid substrates by sequential layer-by-layer (LBL) deposition. This approach enables the creation of robust multilayer thin films via in-situ covalent coupling reactions between successive layers. The buildup of the multilayers was followed by UV/vis absorption spectroscopy and ellipsometry. The observed complex assembly behavior suggests that both covalent and hydrogen-bonding interactions are involved in the formation of multilayer films. The organized structure and surface morphology of resultant multilayers were investigated by reflectance Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, and atomic force microscopy. This covalent LBL method was further applied to generate conjugated polymer micropatterns using microstamped self-assembled monolayers as templates.

Original languageEnglish (US)
Pages (from-to)9600-9606
Number of pages7
JournalLangmuir
Volume20
Issue number22
DOIs
StatePublished - Oct 26 2004

Fingerprint

Multilayer films
Multilayers
assembly
Conjugated polymers
Ellipsometry
Self assembled monolayers
Ultraviolet spectroscopy
Absorption spectroscopy
Amines
Fourier transform infrared spectroscopy
Surface morphology
Atomic force microscopy
Esters
Hydrogen bonds
X ray photoelectron spectroscopy
Thin films
Substrates
ellipsometry
esters
amines

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Spectroscopy
  • Electrochemistry

Cite this

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abstract = "Poly(p-phenylenevinylene)s with amines and pentafluorophenyl esters on side chains were synthesized and assembled on solid substrates by sequential layer-by-layer (LBL) deposition. This approach enables the creation of robust multilayer thin films via in-situ covalent coupling reactions between successive layers. The buildup of the multilayers was followed by UV/vis absorption spectroscopy and ellipsometry. The observed complex assembly behavior suggests that both covalent and hydrogen-bonding interactions are involved in the formation of multilayer films. The organized structure and surface morphology of resultant multilayers were investigated by reflectance Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, and atomic force microscopy. This covalent LBL method was further applied to generate conjugated polymer micropatterns using microstamped self-assembled monolayers as templates.",
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Multilayer assembly and patterning of poly(p-phenylenevinylene)s via covalent coupling reactions. / Liang, Ziqi; Wang, Qing.

In: Langmuir, Vol. 20, No. 22, 26.10.2004, p. 9600-9606.

Research output: Contribution to journalArticle

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