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Adhesion in organic electronic structures
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10.1063/1.3246786
/content/aip/journal/jap/106/8/10.1063/1.3246786
http://aip.metastore.ingenta.com/content/aip/journal/jap/106/8/10.1063/1.3246786

Figures

Image of FIG. 1.
FIG. 1.

Schematic force-displacement curve depicting the various stages [(A)–(E)] of cantilever-surface engagement.

Image of FIG. 2.
FIG. 2.

Layered structure of selected (a) OLED structure and (b) OPV cell.

Image of FIG. 3.
FIG. 3.

Sample SEM image of AFM tip profile. Here, we find that the VPP PEDOT-coated tip has a radius of .

Image of FIG. 4.
FIG. 4.

Sample tapping AFM height images for different layers in OLED structures. (a) Plain glass, (b) ITO-coated glass, (c) VPP PEDOT, (d) Baytron P VP AL-4083 PEDOT:PSS, (e) MEH:PPV, (f) LiF, and (g) Al.

Image of FIG. 5.
FIG. 5.

Sample tapping AFM height images for different layers in OPV Structures. (a) Plain glass, (b) ITO-coated glass, (c) VPP PEDOT, (d) Baytron P PEDOT:PSS, (e) P3HT:PCBM, (f) LiF, and (g) Al.

Image of FIG. 6.
FIG. 6.

Typical AFM force-displacement curve obtained between VPP PEDOT and glass. In this image, the separation height is . With a measured tip spring constant of , this corresponds to a pull-off force of (from Hooke’s law).

Image of FIG. 7.
FIG. 7.

Average adhesion forces obtained for OLED structures.

Image of FIG. 8.
FIG. 8.

Average adhesion forces obtained for OPV cells.

Image of FIG. 9.
FIG. 9.

Comparison of adhesion energies obtained for OLED structures.

Image of FIG. 10.
FIG. 10.

Comparison of adhesion energies obtained for an OPV cell.

Tables

Generic image for table
Table I.

Average rms roughness values obtained for layer in OLED structures.

Generic image for table
Table II.

Average rms roughness values obtained for layers in OPV cells.

Generic image for table
Table III.

Characterization of average adhesion force data for various material properties in (a) OLED structures and (b) OPV cells.

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/content/aip/journal/jap/106/8/10.1063/1.3246786
2009-10-26
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Adhesion in organic electronic structures
http://aip.metastore.ingenta.com/content/aip/journal/jap/106/8/10.1063/1.3246786
10.1063/1.3246786
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