Skip to main content Accessibility help
×
Home

Effects of Surface Morphology of ITO Thin Film on the Instability of Organic Light Emitting Diodes

  • Ki-Beom Kim (a1), Yoon-Heung Tak (a1), Hyoung-Guen Park (a1), Kwang-Ho Lee (a2) and Jong-Ram Lee (a2)...

Abstract

Surface roughness of ITO (Indium Tin Oxide) was measured by AFM (Atomic Force Microscope) and the existence of spikes was verified. Then OLED (Organic Light Emitting Diode) devices made from those substrates were fabricated and their electrical properties were measured with an I-V measurement system. There is considerable difference in the reverse leakage current of OLEDs depending on the surface roughness of the substrate. We observed a good correlation of reverse leakage current with Rpv (Peak-to-Valley roughness), but the correlations between reverse leakage current and Ra (Average roughness) and Rrms (Root-Mean-Square roughness) are not as good.

Copyright

References

Hide All
1. Tang, C.W. and Vanslyke, S.A., Appl. Phys. Lett. 51, 913 (1987).
2. Wu, C.C., Wu, C.I., Sturm, J.C., Kahn, A., Appl. Phys. Lett. 70, 1348 (1997).
3. Friend, R.H., Gymer, R.W., Holmes, A.B., Burroughes, J.H., Marks, R.N., Taliani, C., Bradely, D.D.C., Santos, D.A. Dos, Bredas, J.L., Logdlund, M. and Salaneck, W.R., Nature 397, 121 (1999).
4. Castro-Rodriguez, R., Oliva, A.I., Sosa, Victor, Caballero-Briones, F. and Pena, J.L., Applied Surface Science 161, 340346 (2000).
5. Do, L., Hwang, D., Chu, H., Kim, S., Lee, J., Park, H. and Zyung, T., Synthetic Metals 111–112, 249251 (2000).
6. Jonda, Ch., Mayer, A.B.R., Stolz, U., Elschner, A. and Karbach, A., Journal of Materials Science 35, 56355651 (2000).

Effects of Surface Morphology of ITO Thin Film on the Instability of Organic Light Emitting Diodes

  • Ki-Beom Kim (a1), Yoon-Heung Tak (a1), Hyoung-Guen Park (a1), Kwang-Ho Lee (a2) and Jong-Ram Lee (a2)...

Metrics

Full text views

Total number of HTML views: 0
Total number of PDF views: 0 *
Loading metrics...

Abstract views

Total abstract views: 0 *
Loading metrics...

* Views captured on Cambridge Core between <date>. This data will be updated every 24 hours.

Usage data cannot currently be displayed