Permanent Bubble Arrays from a Cross-Linked Poly(para-phenyleneethynylene): Picoliter Holes without Microfabrication

Belma Erdogan, Lulu Song, James N Wilson, Jung O. Park, Mohan Srinivasarao, Uwe H F Bunz

Research output: Contribution to journalArticle

125 Citations (Scopus)

Abstract

An azide-substituted poly(para-phenyleneethynylene) (PPE) 4 was prepared by the Heck?Cassar?Sonogashira?Hagihara method. Thin films of 4 form self-assembled bubble arrays from carbon disulfide solution utilizing the breath figure method. The as-formed porous films of 4 are soluble in common solvents, and the air bubbles are interconnected. Upon heating to 300 °C, 4 cross-links and the thin film turn into insoluble matrix with isolated bubbles. The cross-linking process has transformed the bubble arrays of 4 into insoluble picoliter beakers or picoliter vials, whose diameters are approximately 3.0 and 1.5 μm at the top and bottom, respectively.

Original languageEnglish
Pages (from-to)3678-3679
Number of pages2
JournalJournal of the American Chemical Society
Volume126
Issue number12
DOIs
StatePublished - Mar 31 2004
Externally publishedYes

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Microtechnology
Microfabrication
Carbon Disulfide
Carbon disulfide
Thin films
Azides
Bubbles (in fluids)
Heating
Air
phenyleneethynylene

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Permanent Bubble Arrays from a Cross-Linked Poly(para-phenyleneethynylene) : Picoliter Holes without Microfabrication. / Erdogan, Belma; Song, Lulu; Wilson, James N; Park, Jung O.; Srinivasarao, Mohan; Bunz, Uwe H F.

In: Journal of the American Chemical Society, Vol. 126, No. 12, 31.03.2004, p. 3678-3679.

Research output: Contribution to journalArticle

Erdogan, Belma ; Song, Lulu ; Wilson, James N ; Park, Jung O. ; Srinivasarao, Mohan ; Bunz, Uwe H F. / Permanent Bubble Arrays from a Cross-Linked Poly(para-phenyleneethynylene) : Picoliter Holes without Microfabrication. In: Journal of the American Chemical Society. 2004 ; Vol. 126, No. 12. pp. 3678-3679.
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