Controllable threshold voltage of a pentacene field-effect transistor based on a double-dielectric structure

Toan Thanh Dao, Toshinori Matsusima, Rainer Friedlein, Hideyuki Murata

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

The authors report controllable threshold voltage (Vth) in a pentacene field-effect transistor based on a double-dielectric structure of poly(perfluoroalkenyl vinyl ether) (CYTOP) and SiO2. When a positive switching voltage is applied to the gate electrode of the transistor, electrons traverse through the pentacene and CYTOP layers and subsequently trapped at the CYTOP/SiO2 interface. The trapped electrons induce accumulation of additional holes in the pentacene conducting channel, resulting in a large Vth shift from -4.4 to +4.6 V. By applying a negative switching voltage, the trapped electrons are removed from the CYTOP/SiO2 interface, resulting in Vth returning to an initial value. The V th shift caused by this floating gate-like effect is reversible and very time-stable allowing the transistor to be applicable to a nonvolatile memory that has excellent retention stability of stored data.

Original languageEnglish
Pages (from-to)2007-2013
Number of pages7
JournalOrganic Electronics
Volume14
Issue number8
DOIs
Publication statusPublished - Jan 1 2013

Fingerprint

Field effect transistors
Threshold voltage
threshold voltage
field effect transistors
Electrons
Transistors
transistors
electrons
shift
Electric potential
electric potential
floating
Ethers
ethers
Data storage equipment
conduction
Electrodes
electrodes
pentacene

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry
  • Electrical and Electronic Engineering

Cite this

Controllable threshold voltage of a pentacene field-effect transistor based on a double-dielectric structure. / Dao, Toan Thanh; Matsusima, Toshinori; Friedlein, Rainer; Murata, Hideyuki.

In: Organic Electronics, Vol. 14, No. 8, 01.01.2013, p. 2007-2013.

Research output: Contribution to journalArticle

Dao, Toan Thanh ; Matsusima, Toshinori ; Friedlein, Rainer ; Murata, Hideyuki. / Controllable threshold voltage of a pentacene field-effect transistor based on a double-dielectric structure. In: Organic Electronics. 2013 ; Vol. 14, No. 8. pp. 2007-2013.
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