Metal-organic pentacene derivative with well ordered morphology for the application of low voltage organic thin film transistors

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)22_Publication in policy or professional journal

View graph of relations

Author(s)

  • V. A L Roy
  • Zong-Xiang Xu
  • Yong-Gang Zhi
  • Sze-Chit Yu
  • Chi-Ming Che

Detail(s)

Original languageEnglish
Article number59401L
Pages (from-to)1-7
Journal / PublicationProceedings of SPIE - The International Society for Optical Engineering
Volume5940
Publication statusPublished - 2005
Externally publishedYes

Conference

TitleOrganic Field-Effect Transistors IV
PlaceUnited States
CitySan Diego, CA
Period31 July - 2 August 2005

Abstract

Metal organic pentacene based low voltage organic thin film transistors with field effect mobility as large as 0.8 cm2/V-1.s -1 and on/off current ratio larger than 106 have been fabricated. Thin films deposited by evaporation at different deposition rate has different morphology which leads to a difference in transistor characteristics. The films with a deposition rate of 2A/sec has better morphology and also the transistor behavior. AFM (atomic force microscope) and STM (scanning tunneling microscope) were used to understand the morphology and ordering of the molecules on the silicon surface which helps the transistor to operate at low voltages. The results presented here show a strong correlation between molecular ordering and the need of well-ordered films for the performance of organic thin film transistors (OTFT's).

Citation Format(s)

Metal-organic pentacene derivative with well ordered morphology for the application of low voltage organic thin film transistors. / Roy, V. A L; Xu, Zong-Xiang; Zhi, Yong-Gang; Yu, Sze-Chit; Che, Chi-Ming.

In: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 5940, 59401L, 2005, p. 1-7.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)22_Publication in policy or professional journal