Effect of post-fabrication thermal annealing on Fermi-level pinning phenomenon in metal-pentacene junctions

  • Jeong, Seong-Guk
  • Park, Hyung-Youl
  • Lim, Myung-Hoon
  • Jung, Woo-Shik
  • Yu, Hyun-Yong
  • 외 2명
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초록

In this work, we investigated the material properties of pentacene films with XRD and AFM analyses as it were annealed from 25 to 150 degrees C in N-2 ambient. Electrical characterization of the films was also performed by transfer length method (TLM) at each temperature. These results were then correlated with the Fermi level pinning phenomenon in Al- and Ti-pentacene junctions. For both junctions, it was found that as the surface quality of the pentacene films changed with increase in annealing temperature, the hole-barrier heights (h-BH) that were modulated by Fermi level pinning were effectively reduced. (C) 2012 Elsevier B. V. All rights reserved.

키워드

PentaceneFermi-level pinningMetal-pentaceneTHIN-FILM TRANSISTORSFIELD-EFFECT TRANSISTORSTEMPERATUREMORPHOLOGYINJECTIONCONTACT
제목
Effect of post-fabrication thermal annealing on Fermi-level pinning phenomenon in metal-pentacene junctions
저자
Jeong, Seong-GukPark, Hyung-YoulLim, Myung-HoonJung, Woo-ShikYu, Hyun-YongRoh, YonghanPark, Jin-Hong
DOI
10.1016/j.orgel.2012.05.030
발행일
2012-09
유형
Article
저널명
Organic Electronics
13
9
페이지
1511 ~ 1515