Lipid membrane domains for the selective adsorption and surface patterning of conjugated polyelectrolytes

Darryl Y. Sasaki, Nicole Zawada, Sean F. Gilmore, Prihatha Narasimmaraj, Mari Angelica A Sanchez, Jeanne C. Stachowiak, Carl C. Hayden, Hsing Lin Wang, Atul N. Parikh, Andrew P. Shreve

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Conjugated polyelectrolytes (CPEs) are promising materials for generating optoelectronics devices under environmentally friendly processing conditions, but challenges remain to develop methods to define lateral features for improved junction interfaces and direct optoelectronic pathways. We describe here the potential to use a bottom-up approach that employs self-assembly in lipid membranes to form structures to template the selective adsorption of CPEs. Phase separation of gel phase anionic lipids and fluid phase phosphocholine lipids allowed the formation of negatively charged domain assemblies that selectively adsorb a cationic conjugated polyelectrolyte (P2). Spectroscopic studies found the adsorption of P2 to negatively charged membranes resulted in minimal structural change of the solution phase polymer but yielded an enhancement in fluorescence intensity (∼50%) due to loss of quenching pathways. Fluorescence microscopy, dynamic light scattering, and AFM imaging were used to characterize the polymer-membrane interaction and the polymer-bound domain structures of the biphasic membranes. In addition to randomly formed circular gel phase domains, we also show that predefined features, such as straight lines, can be directed to form upon etched patterns on the substrate, thus providing potential routes toward the self-organization of optoelectronic architectures.

Original languageEnglish (US)
Pages (from-to)5214-5221
Number of pages8
JournalLangmuir
Volume29
Issue number17
DOIs
StatePublished - Apr 30 2013

Fingerprint

Membrane Lipids
Polyelectrolytes
Optoelectronic devices
lipids
Polymers
membranes
Membranes
Adsorption
Lipids
adsorption
Gels
polymers
Phosphorylcholine
Fluorescence microscopy
gels
Dynamic light scattering
Phase separation
fluorescence
Self assembly
Quenching

ASJC Scopus subject areas

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

Cite this

Sasaki, D. Y., Zawada, N., Gilmore, S. F., Narasimmaraj, P., Sanchez, M. A. A., Stachowiak, J. C., ... Shreve, A. P. (2013). Lipid membrane domains for the selective adsorption and surface patterning of conjugated polyelectrolytes. Langmuir, 29(17), 5214-5221. https://doi.org/10.1021/la400454c

Lipid membrane domains for the selective adsorption and surface patterning of conjugated polyelectrolytes. / Sasaki, Darryl Y.; Zawada, Nicole; Gilmore, Sean F.; Narasimmaraj, Prihatha; Sanchez, Mari Angelica A; Stachowiak, Jeanne C.; Hayden, Carl C.; Wang, Hsing Lin; Parikh, Atul N.; Shreve, Andrew P.

In: Langmuir, Vol. 29, No. 17, 30.04.2013, p. 5214-5221.

Research output: Contribution to journalArticle

Sasaki, DY, Zawada, N, Gilmore, SF, Narasimmaraj, P, Sanchez, MAA, Stachowiak, JC, Hayden, CC, Wang, HL, Parikh, AN & Shreve, AP 2013, 'Lipid membrane domains for the selective adsorption and surface patterning of conjugated polyelectrolytes', Langmuir, vol. 29, no. 17, pp. 5214-5221. https://doi.org/10.1021/la400454c
Sasaki DY, Zawada N, Gilmore SF, Narasimmaraj P, Sanchez MAA, Stachowiak JC et al. Lipid membrane domains for the selective adsorption and surface patterning of conjugated polyelectrolytes. Langmuir. 2013 Apr 30;29(17):5214-5221. https://doi.org/10.1021/la400454c
Sasaki, Darryl Y. ; Zawada, Nicole ; Gilmore, Sean F. ; Narasimmaraj, Prihatha ; Sanchez, Mari Angelica A ; Stachowiak, Jeanne C. ; Hayden, Carl C. ; Wang, Hsing Lin ; Parikh, Atul N. ; Shreve, Andrew P. / Lipid membrane domains for the selective adsorption and surface patterning of conjugated polyelectrolytes. In: Langmuir. 2013 ; Vol. 29, No. 17. pp. 5214-5221.
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