Self-assembly of liquid crystal semiconductor molecules at the air/water interface

Guodong Sui, Jhony Orbulescu, Mustapha Mabrouki, Miodrag Micic, Roger Leblanc, Shenggao Liu, Russell A. Cormier, Brian A. Gregg

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Self-assembly property of a new liquid crystalline perylene diimide derivative, N,N'-bis[3-[2-[2-[2-(2-cyanoethoxy)ethoxy]ethoxy]ethoxy]-propyl]perylene-3,4:9,1 0-tetracarboxyldiimide (PPE4CN), was studied at the air/water interface by epifluorescence microscopy and on mica by environmental scanning electron microscopy (ESEM) and atomic force microscopy (AFM). The self-assembly process started at surface pressure 5 mN/m. Molecular orientation changes of the PPE4CN molecules accompanied the self-assembly process at the air/water interface. It was found that the molecular orientation changed from face-on to edge-on orientation in the self-assembly process. These orientation changes were strongly supported by the analysis of the surface pressure-area isotherms, and by the topographic measurements at micro and nanoscale levels, including ESEM and AFM microscopies.

Original languageEnglish
Pages (from-to)9335-9340
Number of pages6
JournalJournal of Physical Chemistry B
Volume106
Issue number36
DOIs
StatePublished - Sep 12 2002

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Liquid Crystals
Liquid crystals
Self assembly
self assembly
Perylene
liquid crystals
Semiconductor materials
Molecules
Molecular orientation
Water
air
Air
water
molecules
Atomic force microscopy
Microscopic examination
atomic force microscopy
microscopy
Scanning electron microscopy
scanning electron microscopy

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

Cite this

Sui, G., Orbulescu, J., Mabrouki, M., Micic, M., Leblanc, R., Liu, S., ... Gregg, B. A. (2002). Self-assembly of liquid crystal semiconductor molecules at the air/water interface. Journal of Physical Chemistry B, 106(36), 9335-9340. https://doi.org/10.1021/jp025937w

Self-assembly of liquid crystal semiconductor molecules at the air/water interface. / Sui, Guodong; Orbulescu, Jhony; Mabrouki, Mustapha; Micic, Miodrag; Leblanc, Roger; Liu, Shenggao; Cormier, Russell A.; Gregg, Brian A.

In: Journal of Physical Chemistry B, Vol. 106, No. 36, 12.09.2002, p. 9335-9340.

Research output: Contribution to journalArticle

Sui, G, Orbulescu, J, Mabrouki, M, Micic, M, Leblanc, R, Liu, S, Cormier, RA & Gregg, BA 2002, 'Self-assembly of liquid crystal semiconductor molecules at the air/water interface', Journal of Physical Chemistry B, vol. 106, no. 36, pp. 9335-9340. https://doi.org/10.1021/jp025937w
Sui, Guodong ; Orbulescu, Jhony ; Mabrouki, Mustapha ; Micic, Miodrag ; Leblanc, Roger ; Liu, Shenggao ; Cormier, Russell A. ; Gregg, Brian A. / Self-assembly of liquid crystal semiconductor molecules at the air/water interface. In: Journal of Physical Chemistry B. 2002 ; Vol. 106, No. 36. pp. 9335-9340.
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