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Proceedings Paper

Electron injection behavior from the magnesium electrode into a family of electron-transporting amorphous molecular materials, a,w-bis(dimesitylboryl)oligothiophene
Author(s): Fengling Zhang; Tetsuya Noda; Hiroshi Kageyama; Yasuhiko Shirota
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Paper Abstract

Electron injection behavior from the magnesium (Mg) electrode into a family of electron-transporting amorphous molecular materials, 5,5'-bis(dimesitylboryl)-2,2'-bithiophene (BMB-2T) and 5,5''-bis(dimesitylboryl)-2,2':5',2''-terthiophene (BMB-3T), in single-layer devices of symmetrical structure was studied. The current density-voltage characteristics of the devices with varying thickness were in agreement with the trap-free space-charge-limited current model. The results indicate that the current is conduction limited and that the contact between BMB-nT (n = 2 and 3) and the Mg electrode is nearly ohmic.

Paper Details

Date Published: 12 February 2009
PDF: 8 pages
Proc. SPIE 7213, Organic Photonic Materials and Devices XI, 721302 (12 February 2009); doi: 10.1117/12.814387
Show Author Affiliations
Fengling Zhang, Osaka Univ. (Japan)
Tetsuya Noda, Osaka Univ. (Japan)
Hiroshi Kageyama, Osaka Univ. (Japan)
Yasuhiko Shirota, Osaka Univ. (Japan)
Fukui Univ. of Technology (Japan)


Published in SPIE Proceedings Vol. 7213:
Organic Photonic Materials and Devices XI
Robert L. Nelson; François Kajzar; Toshikuni Kaino, Editor(s)

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