Hostname: page-component-77c89778f8-vsgnj Total loading time: 0 Render date: 2024-07-20T23:11:51.089Z Has data issue: false hasContentIssue false

Synthesis of TPD-Containing Polymer Thin Films by Physical Vapor Deposition

Published online by Cambridge University Press:  17 March 2011

Hiroaki Usui
Affiliation:
Department of Organic and Polymer Materials Chemistry, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184-8588, JAPAN
Terufumi Yoshioka
Affiliation:
Department of Organic and Polymer Materials Chemistry, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184-8588, JAPAN
Takahiro Katayama
Affiliation:
Department of Organic and Polymer Materials Chemistry, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184-8588, JAPAN
Kuniaki Tanaka
Affiliation:
Department of Organic and Polymer Materials Chemistry, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184-8588, JAPAN
Hisaya Sato
Affiliation:
Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184-8588, JAPAN
Get access

Abstract

Polymer thin films having tetraphenyl diaminobiphenyl (TPD) side chain were prepared by evaporating its acrylate monomer by the ionization-assisted deposition (IAD) method. IR absorption and GPC analyses showed that the electron irradiation to the evaporated material works efficiently to initiate the polymerization reaction on the substrate surface, while the simple evaporation produced films mainly consisting of the monomers. The reaction was enhanced by increasing the substrate temperature. However, the surface roughness increased with increasing substrate temperature. Post annealing can be an alternative method to enhance the polymer yield. Light emitting diodes were prepared by stacking the TPD polymer layer, Alq3 emissive layer, and Al electrode on ITO-coated glass. The IAD polymerization can be a useful method for preparing polymer thin films for organic optoelectronic devices.

Type
Research Article
Copyright
Copyright © Materials Research Society 2002

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

1. Tamada, M., Omichi, H. and Okui, N., Thin Solid Films 260, 168 (1995).Google Scholar
2. Tamada, M., Koshikawa, H. and Omichi, H., Thin Solid Films 292, 164 (1997).Google Scholar
3. Usui, H., Thin Solid Films 365, 22 (2000).Google Scholar
4. Usui, H., IEICE Trans. Electronl. E83–C, 1128 (2000).Google Scholar