Permanent Bubble Arrays from a Cross-Linked Poly(p ara-phenyleneethynylene): Picoliter Holes without Microfabrication
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...
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| Veröffentlicht in: | Journal of the American Chemical Society 2004-03, Vol.126 (12), p.3678-3679 |
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| container_issue | 12 |
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| container_title | Journal of the American Chemical Society |
| container_volume | 126 |
| creator | Erdogan, Belma Song, Lulu Wilson, James N Park, Jung O Srinivasarao, Mohan Bunz, Uwe H. F |
| description | 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. |
| doi_str_mv | 10.1021/ja0320020 |
| format | Article |
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Soc</addtitle><date>2004-03-31</date><risdate>2004</risdate><volume>126</volume><issue>12</issue><spage>3678</spage><epage>3679</epage><pages>3678-3679</pages><issn>0002-7863</issn><eissn>1520-5126</eissn><coden>JACSAT</coden><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. 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| subjects | Analytical chemistry Chemistry Exact sciences and technology General, instrumentation |
| title | Permanent Bubble Arrays from a Cross-Linked Poly(p ara-phenyleneethynylene): Picoliter Holes without Microfabrication |
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